Table of Contents

 

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 


 

FORM 10-Q

 

(Mark One)

 

x      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 

For the quarterly period ended June 30, 2013

 

OR

 

o         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 

For the transition period from            to           

 

Commission file number: 001-35409

 

Merrimack Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

 

Delaware

 

04-3210530

(State or other jurisdiction of incorporation or organization)

 

(I.R.S. Employer Identification Number)

 

One Kendall Square, Suite B7201

Cambridge, MA

 

02139

(Address of principal executive offices)

 

(Zip Code)

 

(617) 441-1000

(Registrant’s telephone number, including area code)

 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

 

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No o

 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

 

Large accelerated filer o

 

Accelerated filer o

 

 

 

Non-accelerated filer x

(Do not check if a smaller reporting company)

 

Smaller reporting company o

 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x

 

As of July 31, 2013, there were 102,209,629 shares of Common Stock, $0.01 par value per share, outstanding.

 

 

 



Table of Contents

 

TABLE OF CONTENTS

 

 

 

 

Page

 

 

 

 

 

PART I

 

 

 

FINANCIAL INFORMATION

 

3

 

 

 

 

Item 1.

Financial Statements.

 

3

 

 

 

 

 

Condensed Consolidated Balance Sheets — December 31, 2012 and June 30, 2013 (unaudited)

 

3

 

 

 

 

 

Condensed Consolidated Statements of Comprehensive Loss — Three and Six Months Ended June 30, 2012 and 2013 (unaudited)

 

4

 

 

 

 

 

Condensed Consolidated Statements of Cash Flows — Six Months Ended June 30, 2012 and 2013 (unaudited)

 

5

 

 

 

 

 

Notes to Condensed Consolidated Financial Statements (unaudited)

 

6

 

 

 

 

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations.

 

19

 

 

 

 

Item 3.

Quantitative and Qualitative Disclosures About Market Risk.

 

35

 

 

 

 

Item 4.

Controls and Procedures.

 

35

 

 

PART II

 

 

 

OTHER INFORMATION

 

37

 

 

 

 

Item 1.

Legal Proceedings.

 

37

 

 

 

 

Item 1A.

Risk Factors.

 

37

 

 

 

 

Item 2.

Unregistered Sales of Equity Securities and Use of Proceeds.

 

71

 

 

 

 

Item 6.

Exhibits.

 

72

 

 

 

 

Signatures

 

73

 

 

 

Exhibit Index

 

74

 

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FORWARD-LOOKING STATEMENTS

 

This Quarterly Report on Form 10-Q contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this Quarterly Report on Form 10-Q, including statements regarding our strategy, future operations, future financial position, future revenues, projected costs, prospects, plans and objectives of management, are forward-looking statements. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words.

 

The forward-looking statements in this Quarterly Report on Form 10-Q include, among other things, statements about:

 

·                  our plans to develop and commercialize our most advanced product candidates and companion diagnostics;

 

·                  our ongoing and planned discovery programs, preclinical studies and clinical trials;

 

·                  the timing of the completion of our clinical trials and the availability of results from such trials;

 

·                  our collaborations with PharmaEngine, Inc. related to MM-398 and with Sanofi related to MM-121;

 

·                  our ability to establish and maintain additional collaborations;

 

·                  the timing of and our ability to obtain and maintain regulatory approvals for our product candidates;

 

·                  the rate and degree of market acceptance and clinical utility of our products;

 

·                  our intellectual property position;

 

·                  our commercialization, marketing and manufacturing capabilities and strategy;

 

·                  the potential advantages of our Network Biology approach to drug research and development;

 

·                  the potential use of our Network Biology approach in fields other than oncology; and

 

·                  our estimates regarding expenses, future revenues, capital requirements and needs for additional financing.

 

We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. We have included important factors in the cautionary statements included in this Quarterly Report on Form 10-Q, particularly in Part II, Item 1A. Risk Factors, that could cause actual results or events to differ materially from the forward-looking statements that we make. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments that we may make.

 

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You should read this Quarterly Report on Form 10-Q and the documents that we have filed as exhibits to the Quarterly Report on Form 10-Q completely and with the understanding that our actual future results may be materially different from what we expect. We do not assume any obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

 

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PART I

 

FINANCIAL INFORMATION

 

Item 1.           Financial Statements.

 

Merrimack Pharmaceuticals, Inc.
Condensed Consolidated Balance Sheets

 

(in thousands, except par value)
(unaudited)

 

December
31, 2012

 

June 30,
2013

 

 

 

 

 

 

 

Assets

 

 

 

 

 

Current assets:

 

 

 

 

 

Cash and cash equivalents

 

$

37,714

 

$

30,943

 

Available-for-sale securities

 

72,238

 

31,197

 

Restricted cash

 

100

 

100

 

Accounts receivable

 

9,267

 

14,537

 

Prepaid expenses and other current assets

 

8,982

 

9,170

 

Total current assets

 

128,301

 

85,947

 

Restricted cash

 

528

 

567

 

Property and equipment, net

 

6,297

 

8,155

 

Other assets

 

1,068

 

31

 

Intangible assets, net

 

2,165

 

2,005

 

In-process research and development

 

7,010

 

7,010

 

Goodwill

 

3,605

 

3,605

 

Total assets

 

$

148,974

 

$

107,320

 

 

 

 

 

 

 

Liabilities, Non-Controlling Interest (Deficit) and Stockholders’ Deficit

 

 

 

 

 

Current liabilities:

 

 

 

 

 

Accounts payable, accrued expenses and other

 

$

24,936

 

$

36,322

 

Deferred revenues

 

9,350

 

9,336

 

Loans payable

 

2,373

 

9,970

 

Other current liabilities

 

1,861

 

2,119

 

Total current liabilities

 

38,520

 

57,747

 

Deferred revenues

 

71,114

 

68,724

 

Loans payable

 

37,482

 

30,592

 

Accrued interest

 

1,200

 

1,200

 

Other liabilities

 

7,078

 

7,398

 

Total liabilities

 

155,394

 

165,661

 

Commitments and contingencies (Note 10)

 

 

 

 

 

Non-controlling interest (deficit)

 

97

 

(242

)

Stockholders’ deficit:

 

 

 

 

 

Preferred stock, $0.01 par value: 10,000 shares authorized at December 31, 2012 and June 30, 2013; no shares issued or outstanding at December 31, 2012 and June 30, 2013

 

 

 

Common stock, $0.01 par value: 200,000 shares authorized at December 31, 2012 and June 30, 2013; 95,825 and 96,360 shares issued and outstanding at December 31, 2012 and June 30, 2013, respectively

 

958

 

964

 

Additional paid-in capital

 

434,679

 

441,293

 

Accumulated other comprehensive loss

 

(38

)

(5

)

Accumulated deficit

 

(442,116

)

(500,351

)

Total stockholders’ deficit

 

(6,517

)

(58,099

)

 

 

 

 

 

 

Total liabilities, non-controlling interest (deficit) and stockholders’ deficit

 

$

148,974

 

$

107,320

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

 

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Merrimack Pharmaceuticals, Inc.
Condensed Consolidated Statements of Comprehensive Loss

 

 

 

Three months ended

 

Six months ended

 

(in thousands, except per share amounts)

 

June 30,

 

June 30,

 

(unaudited)

 

2012

 

2013

 

2012

 

2013

 

 

 

 

 

 

 

 

 

 

 

Collaboration revenues

 

$

12,063

 

18,452

 

$

23,407

 

33,107

 

Operating expenses:

 

 

 

 

 

 

 

 

 

Research and development

 

28,758

 

42,465

 

60,409

 

79,454

 

General and administrative

 

3,610

 

5,095

 

7,338

 

10,027

 

Total operating expenses

 

32,368

 

47,560

 

67,747

 

89,481

 

Loss from operations

 

(20,305

)

(29,108

)

(44,340

)

(56,374

)

Other income and expenses

 

 

 

 

 

 

 

 

 

Interest income

 

54

 

35

 

63

 

87

 

Interest expense

 

 

(1,293

)

 

(2,513

)

Other, net

 

112

 

115

 

736

 

226

 

Net loss

 

(20,139

)

(30,251

)

(43,541

)

(58,574

)

Less net loss attributable to non- controlling interest

 

(113

)

(169

)

(231

)

(339

)

Net loss attributable to Merrimack Pharmaceuticals, Inc.

 

(20,026

)

(30,082

)

(43,310

)

(58,235

)

 

 

 

 

 

 

 

 

 

 

Other comprehensive (loss) income:

 

 

 

 

 

 

 

 

 

Unrealized (loss) gain on available-for-sale securities

 

(49

)

15

 

(49

)

33

 

Other comprehensive (loss) income

 

(49

)

15

 

(49

)

33

 

Comprehensive loss

 

(20,075

)

(30,067

)

(43,359

)

(58,202

)

Net loss per share available to common stockholders—basic and diluted

 

$

(0.22

)

$

(0.31

)

$

(0.89

)

$

(0.61

)

Weighted-average common shares used in computing net loss per share available to common stockholders—basic and diluted

 

90,581

 

96,170

 

51,214

 

96,025

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

 

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Merrimack Pharmaceuticals, Inc.
Condensed Consolidated Statements of Cash Flows

 

 

 

 

 

(in thousands)

 

Six months ended June 30,

 

(unaudited)

 

2012

 

2013

 

Cash flows from operating activities

 

 

 

 

 

Net loss

 

$

(43,541

)

(58,574

)

Adjustments to reconcile net loss to net cash used in operating activities

 

 

 

 

 

Non-cash interest expense

 

 

470

 

Remeasurement of convertible preferred stock warrants

 

(587

)

 

Depreciation and amortization

 

2,263

 

1,319

 

Stock-based compensation

 

2,749

 

5,416

 

Changes in operating assets and liabilities

 

 

 

 

 

Purchased premiums and interest on available-for-sale securities

 

(1,760

)

(291

)

Accounts receivable

 

486

 

(5,270

)

Accounts payable, accrued expenses and other

 

(653

)

11,386

 

Deferred revenues

 

553

 

(2,404

)

Other assets and liabilities, net

 

48

 

2,518

 

 

 

 

 

 

 

Net cash used in operating activities

 

(40,442

)

(45,430

)

 

 

 

 

 

 

Cash flows from investing activities

 

 

 

 

 

Purchases of available-for-sale securities

 

(73,825

)

(8,290

)

Proceeds from sales and maturities of available-for-sale securities

 

 

49,010

 

Purchases of property and equipment

 

(891

)

(3,305

)

Other investing activities, net

 

(100

)

(39

)

 

 

 

 

 

 

Net cash (used in) provided by investing activities

 

(74,816

)

37,376

 

 

 

 

 

 

 

Cash flows from financing activities

 

 

 

 

 

Proceeds from initial public offering, net of issuance costs

 

100,025

 

 

Proceeds from issuance of common stock

 

873

 

1,204

 

Proceeds from convertible notes issued by majority owned subsidiary, net of issuance costs

 

 

274

 

Payment of dividends on Series B convertible preferred stock

 

(4,003

)

 

Other financing activities, net

 

(48

)

(195

)

 

 

 

 

 

 

Net cash provided by financing activities

 

96,847

 

1,283

 

 

 

 

 

 

 

Net decrease in cash and cash equivalents

 

(18,411

)

(6,771

)

Cash and cash equivalents, beginning of period

 

50,454

 

37,714

 

 

 

 

 

 

 

Cash and cash equivalents, end of period

 

32,043

 

30,943

 

 

 

 

 

 

 

Non-cash investing and financing activities

 

 

 

 

 

Conversion of convertible preferred stock to common stock

 

268,225

 

 

Conversion of convertible preferred stock warrants to common stock warrants

 

929

 

 

Reclassification of deferred financing costs to stockholders’ equity

 

2,748

 

 

Dividends on Series B convertible preferred stock declared but not paid

 

261

 

 

Issuance of derivative liability

 

 

35

 

Disposal of fully depreciated assets

 

 

77

 

 

 

 

 

 

 

Supplemental disclosure of cash flows

 

 

 

 

 

Cash paid for interest

 

$

 

$

2,076

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

 

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Merrimack Pharmaceuticals, Inc.

Notes to Condensed Consolidated Financial Statements

(unaudited)

 

1. Nature of the Business

 

Merrimack Pharmaceuticals, Inc. (the “Company”) is a biopharmaceutical company discovering, developing and preparing to commercialize innovative medicines consisting of novel therapeutics paired with companion diagnostics. The Company has six novel therapeutic oncology candidates in clinical development (MM-398, MM-121, MM-111, MM-302, MM-151 and MM-141), multiple product candidates in preclinical development and a discovery effort advancing additional candidate medicines. The Company’s discovery and development effort is driven by Network Biology, which is its proprietary systems biology-based approach to biomedical research.

 

The Company is subject to risks and uncertainties common to companies in the biopharmaceutical industry, including, but not limited to, its ability to secure additional capital to fund operations, success of clinical trials, development by competitors of new technological innovations, dependence on collaborative arrangements, protection of proprietary technology, compliance with government regulations and dependence on key personnel. Product candidates currently under development will require significant additional research and development efforts, including extensive preclinical and clinical testing and regulatory approval prior to commercialization. These efforts require significant amounts of additional capital, adequate personnel, infrastructure and extensive compliance reporting capabilities.

 

The Company has incurred significant losses and has not generated revenue from commercial sales. The accompanying condensed consolidated financial statements have been prepared on a basis which assumes that the Company will continue as a going concern and which contemplates the realization of assets and satisfaction of liabilities and commitments in the normal course of business.

 

As of June 30, 2013, the Company had unrestricted cash and cash equivalents and available-for-sale securities of $62.1 million. As described in Note 11, in July 2013, the Company completed concurrent underwritten public offerings of 5.75 million shares of its common stock (the “Common Stock Offering”) and $125.0 million aggregate principal amount of 4.50% convertible senior notes due 2020 (the “Convertible Notes Offering”). The aggregate net proceeds from these concurrent offerings were approximately $147.4 million. The Company expects that its existing unrestricted cash and cash equivalents and available-for-sale securities on hand as of June 30, 2013, anticipated interest income and funding under its license and collaboration agreement with Sanofi related to MM-121, together with the net proceeds from the concurrent Common Stock Offering and Convertible Notes Offering, will enable the Company to fund its operating expenses and capital expenditure requirements into 2015.

 

The Company may seek additional funding through public or private debt or equity financings, or through existing or new collaboration arrangements. The Company may not be able to obtain financing on acceptable terms, or at all, and the Company may not be able to enter into additional collaborative arrangements. The terms of any financing may adversely affect the holdings or the rights of the Company’s stockholders. Arrangements with collaborators or others may require the Company to relinquish rights to certain of its technologies or product candidates. If the Company is unable to obtain funding, the Company could be forced to delay, reduce or eliminate its research and development programs or commercialization efforts, which could adversely affect its business prospects.

 

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2. Summary of Significant Accounting Policies

 

Basis of Presentation and Consolidation

 

The accompanying condensed consolidated financial statements as of June 30, 2013, and for the three and six months ended June 30, 2012 and 2013, have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (the “SEC”) and generally accepted accounting principles in the United States of America (“GAAP”) for condensed consolidated financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, these condensed consolidated financial statements reflect all adjustments which are necessary for a fair statement of the Company’s financial position and results of its operations, as of and for the periods presented. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC on March 20, 2013.

 

The information presented in the condensed consolidated financial statements and related notes as of June 30, 2013, and for the three and six months ended June 30, 2012 and 2013, is unaudited. The December 31, 2012 condensed consolidated balance sheet included herein was derived from the audited financial statements as of that date, but does not include all disclosures, including notes, required by GAAP for complete financial statements.

 

Interim results for the three and six months ended June 30, 2013 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2013, or any future period.

 

These condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiary, Merrimack Pharmaceuticals (Bermuda) Ltd. The Company also consolidates its 74% majority owned subsidiary Silver Creek Pharmaceuticals, Inc. (“Silver Creek”). All intercompany transactions and balances have been eliminated in consolidation.

 

The Company’s ownership of Silver Creek was 74% as of December 31, 2012 and June 30, 2013. The consolidated financial statement activity related to Silver Creek was as follows:

 

(in thousands)

 

Non-Controlling Interest

 

Balance at December 31, 2011

 

$

574

 

Net loss attributable to Silver Creek

 

(231

)

Balance at June 30, 2012

 

$

343

 

 

 

 

Non-Controlling Interest
(Deficit)

 

Balance at December 31, 2012

 

$

97

 

Net loss attributable to Silver Creek

 

(339

)

Balance at June 30, 2013

 

$

(242

)

 

Use of Estimates

 

GAAP requires the Company’s management to make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures. The Company bases estimates and judgments on historical experience and on various other factors that it believes to be reasonable under the circumstances. The significant estimates in these condensed consolidated financial statements include revenue recognition, periods of meaningful use of licensed products, useful lives with respect to long-lived assets and intangibles and the valuation of stock options, convertible preferred stock

 

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warrants, contingencies, accrued expenses, intangible assets, goodwill, in-process research and development, derivative liability and tax valuation reserves. The Company’s actual results may differ from these estimates under different assumptions or conditions. The Company evaluates its estimates on an ongoing basis. Changes in estimates are reflected in reported results in the period in which they become known by the Company’s management.

 

Available-for-Sale Securities

 

The Company classifies marketable securities with a remaining maturity when purchased of greater than three months as available-for-sale. Available-for-sale securities may consist of U.S. government agencies securities, commercial paper, corporate notes and bonds and certificates of deposit, which are maintained by an investment manager. Available-for-sale securities are carried at fair value, with the unrealized gains and losses included in other comprehensive loss as a component of stockholders’ equity until realized. Realized gains and losses are recognized in interest income. Any premium or discount arising at purchase is amortized and/or accreted to interest income. There were no realized gains or losses recognized on the sale or maturity of securities during the three and six months ended June 30, 2013.

 

Available-for-sale securities, all of which have maturities of twelve months or less, as of June 30, 2013 consisted of the following:

 

 

 

Amortized
Cost

 

Unrealized
Gains

 

Unrealized
Losses

 

Fair
Value

 

 

 

(in thousands)

 

June 30, 2013:

 

 

 

 

 

 

 

 

 

Certificate of deposit

 

$

1,200

 

$

 

$

(1

)

$

1,199

 

Commercial paper

 

7,996

 

1

 

 

7,997

 

Corporate debt securities

 

22,006

 

 

(5

)

22,001

 

 

 

 

 

 

 

 

 

 

 

Total

 

$

31,202

 

$

1

 

$

(6

)

$

31,197

 

 

The aggregate fair value of securities held by the Company in an unrealized loss position for less than 12 months as of June 30, 2013 was $19.2 million, representing 12 securities. To determine whether an other-than-temporary impairment exists, the Company performs an analysis to assess whether it intends to sell, or whether it would more likely than not be required to sell, the security before the expected recovery of the amortized cost basis. Where the Company intends to sell a security, or may be required to do so, the security’s decline in fair value is deemed to be other-than-temporary and the full amount of the unrealized loss is recognized on the statement of comprehensive loss as an other-than-temporary impairment charge. When this is not the case, the Company performs additional analysis on all securities with unrealized losses to evaluate losses associated with the creditworthiness of the security. Credit losses are identified where the Company does not expect to receive cash flows, based on using a single best estimate, sufficient to recover the amortized cost basis of a security and amount of the loss recognized in other income (expense).

 

Available-for-sale securities in an unrealized loss position as of June 30, 2013 consisted of the following:

 

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Aggregate
Fair Value

 

Unrealized
Losses

 

 

 

(in thousands)

 

June 30, 2013:

 

 

 

 

 

Certificate of deposit

 

$

1,199

 

$

(1

)

Corporate debt securities

 

17,992

 

(5

)

 

 

$

19,191

 

$

(6

)

 

The Company does not intend to sell and it is not more likely than not that the Company will be required to sell the above investments before recovery of their amortized cost bases, which may be maturity. The Company determined that there was no material change in the credit risk of the above investments. As a result, the Company determined it did not hold any investments with an other-than-temporary-impairment as of June 30, 2013.

 

Concentration of Credit Risk

 

Financial instruments that subject the Company to credit risk consist primarily of cash and cash equivalents, available-for-sale securities and accounts receivable. The Company places its cash deposits in accredited financial institutions and, therefore, the Company’s management believes these funds are subject to minimal credit risk. The Company invests cash equivalents and available-for-sale securities in money market funds, U.S. government agencies securities and various corporate debt securities. Credit risk in these securities is reduced as a result of the Company’s investment policy to limit the amount invested in any one issue or any single issuer and to only invest in high credit quality securities.

 

Derivative Liability

 

In December 2012, the Company’s majority owned subsidiary, Silver Creek, entered into a Note Purchase Agreement pursuant to which it issued convertible notes to various lenders in aggregate principal amounts of $1.6 million in December 2012 and $0.3 million in February 2013. The principal and accrued interest are convertible into Silver Creek’s next qualifying series of preferred stock at a discount or into Silver Creek’s existing preferred stock upon maturity of the notes on December 31, 2013, whichever occurs first. Upon issuance, the Company determined that the underlying convertible notes represented share-settled debt and the potential conversion of the convertible notes into Silver Creek’s next qualifying series of preferred stock at a discount met the definition of a derivative. The Company estimated the value of the derivative liability issued in connection with the convertible notes payable at $196,000 as of December 31, 2012 and $231,000 as of June 30, 2013. The derivatives are classified as a liability on the Company’s condensed consolidated balance sheet and are remeasured at each reporting period with changes in fair value being recognized in earnings.

 

Revenue Recognition

 

The Company enters into biopharmaceutical product development agreements with collaborative partners for the research and development of therapeutic and diagnostic products. The terms of the agreements may include nonrefundable signing and licensing fees, funding for research, development and manufacturing, milestone payments and royalties on any product sales derived from collaborations. These multiple element arrangements are analyzed to determine whether the deliverables can be separated or whether they must be accounted for as a single unit of accounting.

 

In January 2011, the Company adopted new authoritative guidance on revenue recognition for multiple element arrangements. This guidance, which applies to multiple element arrangements entered into or materially modified on or after January 1, 2011, amends the criteria for separating and allocating consideration in a multiple element arrangement by modifying the fair value requirements for revenue

 

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recognition and eliminating the use of the residual method. The fair value of deliverables under the arrangement may be derived using a best estimate of selling price if vendor specific objective evidence and third party evidence are not available. Deliverables under the arrangement will be separate units of accounting provided that a delivered item has value to the customer on a stand-alone basis and if the arrangement does not include a general right of return relative to the delivered item and delivery or performance of the undelivered item is considered probable and substantially in the control of the vendor. The Company also adopted guidance that permits the recognition of revenue contingent upon the achievement of a milestone in its entirety, in the period in which the milestone is achieved, only if the milestone meets certain criteria and is considered to be substantive. The Company did not enter into any significant multiple element arrangements or materially modify any of its existing multiple element arrangements during the year ended December 31, 2012 or the three and six months ended June 30, 2013. The Company’s existing license and collaboration agreements continue to be accounted for under previously issued revenue recognition guidance for multiple element arrangements and milestone revenue recognition, as described below.

 

The Company recognized upfront license payments as revenue upon delivery of the license only if the license had stand-alone value and the fair value of the undelivered performance obligations could be determined. If the fair value of the undelivered performance obligations could be determined, such obligations were accounted for separately as the obligations were fulfilled. If the license was considered to either not have stand-alone value or have stand-alone value but the fair value of any of the undelivered performance obligations could not be determined, the arrangement was accounted for as a single unit of accounting and the license payments and payments for performance obligations were recognized as revenue over the estimated period of when the performance obligations would be performed.

 

Whenever the Company determined that an arrangement should be accounted for as a single unit of accounting, it determined the period over which the performance obligations would be performed and revenue would be recognized. If the Company could not reasonably estimate the timing and the level of effort to complete its performance obligations under the arrangement, then revenue under the arrangement was recognized on a straight-line basis over the period the Company expected to complete its performance obligations, which is reassessed at each subsequent reporting period.

 

The Company’s collaboration agreements may include additional payments upon the achievement of performance-based milestones. As milestones are achieved, a portion of the milestone payment, equal to the percentage of the total time that the Company has performed the performance obligations to date over the total estimated time to complete the performance obligations, multiplied by the amount of the milestone payment, will be recognized as revenue upon achievement of such milestone. The remaining portion of the milestone will be recognized over the remaining performance period. Milestones that are tied to regulatory approvals are not considered probable of being achieved until such approval is received. Milestones tied to counter-party performance are not included in the Company’s revenue model until the performance conditions are met.

 

Royalty revenue will be recognized upon the sale of the related products provided the Company has no remaining performance obligations under the arrangement.

 

Stock-Based Compensation

 

The Company expenses the fair value of employee stock options over the vesting period. Compensation expense is measured using the fair value of the award at the grant date, net of estimated forfeitures, and is adjusted annually to reflect actual forfeitures. The fair value of each stock-based award is estimated using the Black-Scholes option valuation model and is expensed straight-line over the vesting period.

 

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The Company records stock options issued to nonemployees at fair value, periodically remeasures to reflect the current fair value at each reporting period, and recognizes expense over the related service period. When applicable, these equity instruments are accounted for based on the fair value of the consideration received or the fair value of the equity instrument issued, whichever is more reliably measurable.

 

Other Income and Expense

 

The Company records gains and losses on the remeasurement of fair value of convertible preferred stock warrants, the recognition of federal and state sponsored tax incentives and other one-time income or expense-related items in other income (expense).

 

In April 2013, the Company received an award of $0.5 million of tax incentives from the Massachusetts Life Sciences Center, which allows the Company to monetize approximately $0.4 million of state research and development tax credits. In exchange for these incentives, the Company pledged to hire an incremental 20 employees and to maintain the additional headcount through at least December 31, 2017. Failure to do so could result in the Company being required to repay some or all of these incentives. The Company has deferred and will amortize the benefit of this monetization on a straight-line basis over the five-year performance period, commencing with a cumulative catch-up when the pledge is achieved.

 

Recent Accounting Pronouncements

 

In February 2013, the Financial Accounting Standards Board issued amendments to the accounting guidance for presentation of comprehensive income to improve the reporting of reclassifications out of accumulated other comprehensive income. The amendments do not change the current requirements for reporting net income or other comprehensive income, but do require an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement where the net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required under GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under GAAP to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures required under GAAP that provide additional detail about these amounts. For public companies, these amendments are effective prospectively for reporting periods beginning after December 15, 2012. There were no amounts reclassified out of accumulated other comprehensive income during the three and six months ended June 30, 2013.

 

3. Net Loss Per Common Share

 

Basic net loss per share is calculated by dividing the net loss available to common stockholders by the weighted-average number of common shares outstanding during the period, without consideration for common stock equivalents. Diluted net loss per share is computed by dividing the net loss available to common stockholders by the weighted-average number of common share equivalents outstanding for the period determined using the treasury-stock method. For purposes of this calculation, convertible preferred stock, stock options and warrants are considered to be common stock equivalents and are only included in the calculation of diluted net loss per share when their effect is dilutive.

 

The following table presents the computation of basic and diluted net loss per share available to common stockholders for the three and six months ended June 30, 2012 and 2013:

 

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Three months ended
June 30,

 

Six months ended
June 30,

 

(in thousands, except per share amount)

 

2012

 

2013

 

2012

 

2013

 

 

 

 

 

 

 

 

 

 

 

Net Loss Per Share:

 

 

 

 

 

 

 

 

 

Numerator:

 

 

 

 

 

 

 

 

 

Net loss attributable to Merrimack Pharmaceuticals, Inc.

 

$

(20,026

)

$

(30,082

)

$

(43,310

)

$

(58,235

)

Plus: Unaccreted dividends on convertible preferred stock

 

(67

)

 

(2,107

)

 

 

 

 

 

 

 

 

 

 

 

Net loss available to common stockholders—basic and diluted

 

(20,093

)

(30,082

)

(45,417

)

(58,235

)

Denominator:

 

 

 

 

 

 

 

 

 

Weighted-average common shares—basic and diluted

 

90,581

 

96,170

 

51,214

 

96,025

 

 

 

 

 

 

 

 

 

 

 

Net loss per share available to common stockholders—basic and diluted

 

$

(0.22

)

$

(0.31

)

$

(0.89

)

$

(0.61

)

 

The following common stock equivalents of potentially dilutive securities have been excluded from the computation of diluted weighted average shares outstanding as of June 30, 2012 and 2013, as the Company recorded a net loss in all periods and, therefore, they would be anti-dilutive:

 

 

 

As of June 30,

 

(in thousands)

 

2012

 

2013

 

 

 

 

 

 

 

Options to purchase common stock

 

17,455

 

20,447

 

Common stock warrants

 

2,905

 

2,777

 

 

Also excluded from the computation of diluted weighted average shares outstanding as of June 30, 2012 as anti-dilutive were 66,256,000 common stock equivalents of convertible preferred stock and 302,000 common stock equivalents of convertible preferred stock warrants that converted to common stock and common warrants, respectively, upon the closing of our initial public offering in April 2012.

 

4. License and Collaboration Agreements

 

Sanofi

 

On September 30, 2009, the Company entered into a license and collaboration agreement with Sanofi for the development and commercialization of a drug candidate being developed by the Company under the name MM-121. The agreement became effective on November 10, 2009 and Sanofi paid the Company a nonrefundable, noncreditable upfront license fee of $60.0 million. During the years ended 2010 and 2011, the Company received a total of $20.0 million in milestone payments associated with dosing the first patients in Phase 2 clinical trials in breast cancer and non-small cell lung cancer. During the first quarter of 2012, the Company received an additional milestone payment of $5.0 million associated with dosing the first patient in a Phase 2 clinical trial in ovarian cancer. The Company is eligible to receive additional future development, regulatory and sales milestone payments as well as future royalty payments depending on the success of MM-121.

 

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Under the agreement, Sanofi is responsible for all MM-121 development and manufacturing costs. The Company has the right, but not the obligation, to co-promote MM-121 in the United States and to participate in the development of MM-121 through Phase 2 proof of concept trials. Sanofi reimburses the Company for direct costs incurred in development and compensates the Company for its internal development efforts based on a full time equivalent (“FTE”) rate. Also as part of the agreement, the Company was required to manufacture certain quantities of MM-121 and, at Sanofi’s and the Company’s option, may continue to manufacture additional quantities of MM-121 in the future. Sanofi reimburses the Company for direct costs incurred in manufacturing and compensates the Company for its internal manufacturing efforts based on an FTE rate. The Company has satisfied its manufacturing obligations under the agreement as of June 30, 2013.

 

The Company applied revenue recognition guidance to determine whether the performance obligations under this collaboration, including the license, the right to future technology, back-up compounds, participation on steering committees, development services and manufacturing services, could be accounted for separately or as a single unit of accounting. The Company determined that its development services performance obligation is considered a separate unit of accounting, as it is set at the Company’s option, has stand-alone value and the FTE rate is considered fair value. Therefore, the Company recognizes cost reimbursements for MM-121 development services as incurred. The Company determined that the license, the right to future technology, back-up compounds, participation on steering committees and manufacturing services performance obligations represented a single unit of accounting. As the Company cannot reasonably estimate its level of effort over the collaboration, the Company recognizes revenue from the upfront payment, milestone payment and manufacturing services payments using the contingency-adjusted performance model over the expected development period, which is currently estimated to be 12 years from the effective date of the agreement. Under this model, when a milestone is earned or manufacturing services are rendered and product is delivered, revenue is immediately recognized on a pro-rata basis in the period the milestone was achieved or product was delivered based on the time elapsed from the effective date of the agreement. Thereafter, the remaining portion is recognized on a straight-line basis over the remaining development period.

 

During the three and six months ended June 30, 2012 and 2013, the Company recognized revenue based on the following components of the Sanofi agreement:

 

 

 

Three months ended
June 30,

 

Six months ended
June 30,

 

(in thousands)

 

2012

 

2013

 

2012

 

2013

 

Upfront payment

 

$

1,250

 

$

1,250

 

$

2,500

 

$

2,500

 

Milestone payments

 

521

 

521

 

1,933

 

1,042

 

Development services

 

9,160

 

14,682

 

17,302

 

26,272

 

Manufacturing services and other

 

1,106

 

1,999

 

1,627

 

2,740

 

Total

 

$

12,037

 

$

18,452

 

$

23,362

 

$

32,554

 

 

As of December 31, 2012 and June 30, 2013, the Company maintained the following assets and liabilities related to the Sanofi agreement:

 

(in thousands)

 

December 31, 2012

 

June 30, 2013

 

 

 

 

 

 

 

Accounts receivable, billed

 

$

1,577

 

1,789

 

Accounts receivable, unbilled

 

7,690

 

12,746

 

Deferred revenue

 

79,913

 

78,060

 

 

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GTC Biotherapeutics, Inc.

 

In July 2009, the Company entered into a license agreement with GTC Biotherapeutics, Inc. (“GTC”) for the development of MM-093 by GTC. On March 19, 2013, GTC terminated the license agreement. As a result, the Company recognized the remaining $0.6 million of deferred revenue related to this license agreement during the first quarter of 2013.

 

PharmaEngine, Inc.

 

On May 5, 2011, the Company entered into an assignment, sublicense and collaboration agreement with PharmaEngine, Inc. (“PharmaEngine”) under which the Company reacquired rights in Europe and certain countries in Asia to a drug being developed under the name MM-398. In exchange, the Company agreed to pay PharmaEngine a nonrefundable, noncreditable upfront payment of $10.0 million and will be required to make up to an aggregate of $80.0 million in development and regulatory milestone payments and $130.0 million in sales milestone payments upon the achievement of specified development, regulatory and annual net sales milestones. During the first quarter of 2012, the Company paid a milestone of $5.0 million under the collaboration agreement with PharmaEngine in connection with dosing the first patient in a Phase 3 clinical trial of MM-398 in pancreatic cancer. PharmaEngine is also entitled to tiered royalties on net sales of MM-398 in Europe and certain countries in Asia. The Company is responsible for all future development costs of MM-398 except those required specifically for regulatory approval in Taiwan.

 

During the three months ended June 30, 2012 and 2013, the Company recognized research and development expenses of $0.3 million and $0.2 million, respectively, and during the six months ended June 30, 2012 and 2013, the Company recognized research and development expenses of $5.6 million and $0.5 million, respectively, related to the agreement with PharmaEngine. These amounts included a $5.0 million milestone payment expensed in the first quarter of 2012.

 

5. Fair Value of Financial Instruments

 

The carrying amounts of cash and cash equivalents, available-for-sale securities, prepaid expenses, accounts receivable, accounts payable and accrued expenses and other short-term assets and liabilities approximate fair value due to the short-term nature of these instruments. The derivative liability is also carried at fair value.

 

Fair value is an exit price, representing the amount that would be received from the sale of an asset or paid to transfer a liability in an orderly transaction between market participants. Fair value is determined based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs reflect certain market assumptions. As a basis for considering such assumptions, GAAP establishes a three-tier value hierarchy, which prioritizes the inputs used to develop the assumptions and for measuring fair value as follows: (Level 1) observable inputs such as quoted prices in active markets for identical assets; (Level 2) inputs other than the quoted prices in active markets that are observable either directly or indirectly; and (Level 3) unobservable inputs in which there is little or no market data, which requires the Company to develop its own assumptions. This hierarchy requires the Company to use observable market data, when available, and to minimize the use of unobservable inputs when determining fair value.

 

The following tables show assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 and June 30, 2013 and the input categories associated with those assets and liabilities:

 

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As of December 31, 2012
(in thousands)

 

Level 1

 

Level 2

 

Level 3

 

 

 

 

 

 

 

 

 

Assets:

 

 

 

 

 

 

 

Cash equivalents — money market funds

 

$

25,668

 

$

 

$

 

Cash equivalents — certificates of deposit

 

 

480

 

 

Cash equivalents — corporate debt securities

 

 

5,017

 

 

Investments — certificates of deposit

 

 

240

 

 

Investments — commercial paper

 

 

12,465

 

 

Investments — corporate debt securities

 

 

59,533

 

 

Liabilities:

 

 

 

 

 

 

 

Derivative liability

 

$

 

$

 

$

196

 

 

As of June 30, 2013
(in thousands)

 

Level 1

 

Level 2

 

Level 3

 

 

 

 

 

 

 

 

 

Assets:

 

 

 

 

 

 

 

Cash equivalents — money market funds

 

$

18,496

 

$

 

$

 

Investments — certificates of deposit

 

 

1,199

 

 

Investments — commercial paper

 

 

7,997

 

 

Investments — corporate debt securities

 

 

22,001

 

 

Liabilities:

 

 

 

 

 

 

 

Derivative liability

 

$

 

$

 

$

231

 

 

The Company’s investment portfolio consists of investments classified as cash equivalents and available-for-sale securities. All highly liquid investments with an original maturity of three months or less when purchased are considered to be cash equivalents. The Company’s cash and cash equivalents are invested in U.S. treasury and various corporate debt securities that approximate their face value. All marketable securities with an original maturity when purchased of greater than three months are classified as available-for-sale. Available-for-sale securities are carried at fair value, with the unrealized gains and losses reported in other comprehensive loss. The amortized cost of securities in this category is adjusted for amortization of premiums and accretion of discounts to maturity. The fair value of the derivative liability as of December 31, 2012 and June 30, 2013 was determined using a probability-weighted valuation model based upon the likelihood of Silver Creek achieving a qualified financing.

 

The following table provides quantitative information associated with the fair value measurement of the Company’s Level 3 inputs:

 

 

 

Fair Value as
of
June 30, 2013

 

Valuation
Technique

 

Unobservable Input

 

Point Estimate

 

 

 

(in
thousands)

 

 

 

 

 

 

 

Derivative Liability

 

$

231

 

Probability-weighted

 

Estimated probability of Silver Creek qualified financing(s) prior to December 31, 2013

 

50

%

 

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The significant unobservable input used in the fair value measurement of the Company’s derivative liability is the probability of Silver Creek’s successful achievement of aggregate financings of at least $4.0 million of gross proceeds prior to December 31, 2013.

 

The following table provides a roll-forward of the fair value of the derivative liability categorized as Level 3 instruments, for the six months ended June 30, 2013:

 

(in thousands)

 

Derivative
Liability

 

 

 

 

 

Balance, December 31, 2012

 

$

196

 

Portion of convertible notes issued in February 2013 allocated to derivative

 

35

 

 

 

 

 

Balance, June 30, 2013

 

$

231

 

 

6. Accounts Payable, Accrued Expenses and Other

 

Accounts payable, accrued expenses and other as of December 31, 2012 and June 30, 2013 consisted of the following:

 

(in thousands)

 

December 31, 2012

 

June 30, 2013

 

 

 

 

 

 

 

Accounts payable

 

$

283

 

$

4,727

 

Accrued goods and services

 

17,615

 

24,713

 

Accrued payroll and related benefits

 

5,853

 

6,200

 

Accrued interest

 

306

 

406

 

Accrued dividends payable

 

28

 

28

 

Contractual liability

 

851

 

248

 

Total accounts payable, accrued expenses and other

 

$

24,936

 

$

36,322

 

 

7. Debt

 

In November 2012, the Company entered into a Loan and Security Agreement (the “Loan Agreement”) with Hercules Technology Growth Capital, Inc. (“Hercules”) pursuant to which the Company received loans in the aggregate principal amount of $40.0 million in 2012. The Company’s obligations associated with the Loan Agreement are secured by a security interest in all of the Company’s personal property now owned or hereafter acquired, excluding intellectual property but including the proceeds from the sale, if any, of intellectual property, and a negative pledge on intellectual property.

 

The Loan Agreement provides for interest-only payments for twelve months and repayment of the aggregate outstanding principal balance of the loans in monthly installments starting on December 1, 2013 and continuing through May 1, 2016. However, if the Company receives aggregate gross proceeds of at least $75 million in one or more transactions prior to December 1, 2013, the Company may elect to extend the interest-only period by six months so that the aggregate outstanding principal balance of the

 

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loans would be repaid in monthly installments starting on June 1, 2014 and continuing through November 1, 2016.

 

For the three and six months ended June 30, 2013, interest expense related to the outstanding principal balance of the loans was $1.0 million and $2.1 million, respectively. Upon full repayment or maturity of the loans, the Company is required to pay a fee of $1.2 million, which is recorded as a non-current liability on the condensed consolidated balance sheets.

 

As of June 30, 2013, the Company had outstanding borrowings of $38.8 million, net of debt discounts of $1.2 million. Amortization of the debt discounts, which are recorded as interest expense, was $0.2 million and $0.3 million for the three and six months ended June 30, 2013, respectively.

 

In December 2012, as described in Note 2 “Derivative Liability,” the Company’s majority owned subsidiary, Silver Creek, entered into a Note Purchase Agreement pursuant to which it issued convertible notes to various lenders in aggregate principal amounts of $1.6 million in December 2012 and $0.3 million in February 2013. As of June 30, 2013, Silver Creek had outstanding borrowings of $1.7 million, net of debt discounts of $0.1 million. Amortization of the debt discounts, which are recorded as interest expense, was $0.1 million for both the three and six month periods ended June 30, 2013.

 

As described in Note 11, in July 2013, the Company completed a concurrent Common Stock Offering and Convertible Notes Offering.

 

8. Common Stock

 

As of December 31, 2012 and June 30, 2013, the Company had 200.0 million shares of $0.01 par value common stock authorized. There were 95,825,000 and 96,360,000 shares of common stock issued and outstanding as of December 31, 2012 and June 30, 2013, respectively. The shares reserved for future issuance as of December 31, 2012 and June 30, 2013 consisted of the following:

 

(in thousands)

 

December 31,
2012

 

June 30,
2013

 

 

 

 

 

 

 

Common stock warrants

 

2,842

 

2,777

 

Options to purchase common stock

 

18,066

 

20,447

 

 

 

 

 

 

 

 

 

20,908

 

23,224

 

 

As described in Note 11, in July 2013, the Company completed a concurrent Common Stock Offering and Convertible Notes Offering.

 

9. Stock-Based Compensation

 

As of December 31, 2012, there were 1.3 million shares of common stock available to be issued under the 2011 Stock Incentive Plan, (the “2011 Plan”). The 2011 Plan is administered by the Board of Directors of the Company and permits the Company to grant incentive and non-qualified stock options, stock appreciation rights, restricted stock, restricted stock units and other stock-based awards.

 

In January 2013, 3.4 million shares of common stock became available for grant to employees, officers, directors and consultants under the 2011 Plan. During the six months ended June 30, 2012 and 2013, the Company issued options to purchase 0.3 million and 3.0 million shares of common stock,

 

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respectively. At June 30, 2013, there were 1.7 million shares remaining available for grant under the 2011 Plan.

 

The range of assumptions used to estimate the fair value of options granted to employees and directors at the date of grant for the three and six months ended 2013 were as follows:

 

 

 

Three months ended June 30,

 

Six months ended June 30,

 

 

 

2012

 

2013

 

2012

 

2013

 

Risk-free interest rate

 

0.9-1.1%

 

0.1-1.4%

 

0.9-1.1%

 

0.1-1.4%

 

Expected dividend yield

 

0%

 

0%

 

0%

 

0%

 

Expected term

 

5.8-5.9 years

 

5.3-5.9 years

 

5.8-5.9 years

 

5.3-5.9 years

 

Expected volatility

 

71-72%

 

67-68%

 

71-72%

 

67-68%

 

 

These options generally vest over a three-year period for employees. The Company recognized stock-based compensation expense as follows for the three and six months ended June 30, 2012 and 2013:

 

 

 

Three months ended June
30,

 

Six months ended June
30,

 

(in thousands)

 

2012

 

2013

 

2012

 

2013

 

Employee awards:

 

 

 

 

 

 

 

 

 

Research and development

 

$

945

 

$

1,651

 

$

1,853

 

$

2,935

 

General and administrative

 

432

 

1,307

 

862

 

2,397

 

Stock-based compensation for employee awards

 

1,377

 

2,958

 

2,715

 

5,332

 

Stock-based compensation for non-employee awards

 

33

 

72

 

34

 

84

 

Total stock-based compensation

 

$

1,410

 

$

3,030

 

$

2,749

 

$

5,416

 

 

The following table summarizes stock option activity during the six months ended June 30, 2013:

 

 

 

 

 

 

 

Weighted

 

 

 

 

 

 

 

 

 

Average

 

 

 

 

 

Number

 

Weighted

 

Remaining

 

Aggregate

 

 

 

of

 

Average

 

Contractual

 

Intrinsic

 

(in thousands, except per share amounts)

 

Shares

 

Exercise Price

 

Term

 

Value

 

 

 

 

 

 

 

 

 

 

 

Outstanding, December 31, 2012

 

18,066

 

$

3.50

 

6.54

 

$

51,486

 

Granted

 

3,076

 

$

6.24

 

 

 

 

 

Exercised

 

(499

)

$

2.41

 

 

 

 

 

Forfeited

 

(196

)

$

5.94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding, June 30, 2013

 

20,447

 

$

3.91

 

6.59

 

$

60,107

 

 

 

 

 

 

 

 

 

 

 

Exercisable, June 30, 2013

 

14,560

 

$

2.85

 

5.53

 

$

57,350

 

Vested and expected to vest, June 30, 2013

 

20,026

 

$

3.85

 

6.53

 

$

59,982

 

 

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The aggregate intrinsic value was calculated as the difference between the exercise price of the stock options and the fair value of the underlying common stock as of the respective balance sheet date.

 

10. Commitments and Contingencies

 

Operating leases

 

The Company leases its office, laboratory and manufacturing space under non-cancellable operating leases. During March 2013, the Company entered into a facility lease amendment to further expand its office, laboratory and manufacturing space. The amendment leased additional space effective March 2013 and is co-terminus with the existing lease. The aggregate additional rent due over the term of the lease amendment is approximately $2.6 million. As part of this amendment, the landlord agreed to reimburse the Company for an additional portion of tenant improvements made to the facility, up to a total of $0.6 million. Aggregate landlord reimbursable tenant improvements outstanding under the existing lease and the lease amendment as of June 30, 2013 is $4.8 million, which are recorded within other current assets on the condensed consolidated balance sheets.

 

11. Subsequent Events

 

On July 17, 2013, the Company sold an aggregate of 5,750,000 shares of its common stock at a price to the public of $5.00 per share and issued $125.0 million aggregate principal amount of 4.50% convertible senior notes due 2020 in concurrent underwritten public offerings. As a result of the concurrent Common Stock Offering and Convertible Notes Offering, the Company received net proceeds of approximately $147.4 million, including the net proceeds from the exercise in full by the underwriters in the Common Stock Offering of an option to purchase additional shares of common stock and after deducting underwriting discounts and commissions and estimated offering expenses payable by the Company.

 

The Company issued the 4.50% convertible senior notes due 2020 under an indenture dated as of July 17, 2013 between the Company and Wells Fargo Bank, National Association, as trustee (the “Trustee”), as supplemented by the supplemental indenture dated as of July 17, 2013 between the Company and the Trustee.

 

As a result of the completion of the concurrent Common Stock Offering and Convertible Notes Offering and the Company receiving aggregate gross proceeds of at least $75 million in one or more transactions prior to December 1, 2013, the Company may elect to extend the interest-only period under the Loan Agreement with Hercules by six months so that the aggregate outstanding principal balance of the loans issued pursuant to the Loan Agreement would be repaid in monthly installments starting on June 1, 2014 and continuing through November 1, 2016.

 

On July 10, 2013, in connection with the Convertible Notes Offering, the Company and Hercules entered into an amendment, consent and waiver to the Loan Agreement that permitted the Convertible Notes Offering and the issuance of the 4.50% convertible senior notes due 2020.

 

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

 

The following discussion of our financial condition and results of operations should be read in conjunction with our financial statements and the notes to those financial statements appearing elsewhere in this Quarterly Report on Form 10-Q and the audited consolidated financial statements and notes

 

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thereto and management’s discussion and analysis of financial condition and results of operations for the year ended December 31, 2012 included in our Annual Report on Form 10-K. This discussion contains forward-looking statements that involve significant risks and uncertainties. As a result of many factors, such as those set forth in Part II, Item 1A. Risk Factors of this Quarterly Report on Form 10-Q, which are incorporated herein by reference, our actual results may differ materially from those anticipated in these forward-looking statements.

 

Overview

 

We are a biopharmaceutical company discovering, developing and preparing to commercialize innovative medicines consisting of novel therapeutics paired with companion diagnostics. Our mission is to provide patients, physicians and the healthcare system with the medicines, tools and information to transform the approach to care from one based on the identification and treatment of symptoms to one focused on the diagnosis and treatment of illness through a more precise mechanistic understanding of disease. We seek to accomplish our mission by applying our proprietary systems-based approach to biomedical research, which we call Network Biology. Our initial focus is in the field of oncology. We have six novel therapeutics in clinical development. In our most advanced program, we are conducting a Phase 3 clinical trial.

 

We have devoted substantially all of our resources to our drug discovery and development efforts, including advancing our Network Biology approach, conducting clinical trials for our product candidates, protecting our intellectual property and providing general and administrative support for these operations. We have not generated any revenue from product sales and, to date, have financed our operations primarily through private placements of our convertible preferred stock, collaborations, public offerings of our securities and a secured debt financing. Through June 30, 2013, we have received $268.2 million from the sale of convertible preferred stock and warrants, $98.1 million of net proceeds from the sale of common stock during our initial public offering, $39.6 million of net proceeds from a secured debt financing and $202.4 million of upfront license fees, milestone payments, reimbursement of research and development costs and manufacturing services and other payments from our collaborations.

 

In July 2013, we sold an aggregate of 5,750,000 shares of our common stock at a price to the public of $5.00 per share and issued $125.0 million aggregate principal amount of 4.50% convertible senior notes due 2020 in concurrent underwritten public offerings. As a result of the concurrent common stock offering and convertible notes offering, we received net proceeds of approximately $147.4 million, including the net proceeds from the exercise in full by the underwriters in the common stock offering of an option to purchase additional shares of common stock and after deducting underwriting discounts and commissions and estimated offering expenses payable by us.

 

As of June 30, 2013, we had unrestricted cash and cash equivalents and available-for-sale securities of $62.1 million, which, together with anticipated interest income, funding under our license and collaboration agreement with Sanofi related to MM-121, and net proceeds from the concurrent common stock offering and convertible notes offering in July 2013, we expect will enable us to fund our operating expenses and capital expenditure requirements into 2015.

 

We have never been profitable and, as of June 30, 2013, we had an accumulated deficit of $500.4 million. Our net loss was $30.3 million and $58.6 million for the three and six months ended June 30, 2013, respectively, and $20.1 million and $43.5 million for the three and six months ended June 30, 2012, respectively. We expect to continue to incur significant expenses and increasing operating losses for at least the next several years. We expect our research and development expenses to increase in connection with our ongoing activities, particularly as we continue the research, development and clinical trials of our product candidates, including multiple simultaneous clinical trials for certain product candidates, some of which we expect will be entering late stage clinical development. In addition, in connection with

 

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seeking and possibly obtaining regulatory approval of any of our product candidates, we expect to incur significant commercialization expenses for product sales, marketing, manufacturing and distribution. Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances, licensing arrangements and other marketing and distribution arrangements. We may be unable to raise capital when needed or on attractive terms, which would force us to delay, limit, reduce or terminate our research and development programs or commercialization efforts. We will need to generate significant revenues to achieve profitability, and we may never do so.

 

We are also pursuing arrangements to use our manufacturing capabilities to manufacture drug product on behalf of third party pharmaceutical companies. We have no current agreements or commitments for any such arrangements.

 

Strategic Partnerships, Licenses and Collaborations

 

Sanofi

 

In September 2009, we entered into a license and collaboration agreement with Sanofi for the development and commercialization of MM-121. Under this agreement, we granted Sanofi an exclusive, royalty-bearing, worldwide right and license to develop and commercialize MM-121 in exchange for payment by Sanofi of an upfront license fee of $60.0 million, up to $410.0 million in potential development and regulatory milestone payments, of which we have already received $25.0 million, up to $60.0 million in potential sales milestone payments and tiered, escalating royalties beginning in the sub-teen double digits based on net sales of MM-121 in the United States and beginning in the high single digits based on net sales of MM-121 outside the United States. We have the right, but not the obligation, to co-promote and commercialize MM-121 in the United States and to participate in the development of MM-121 through Phase 2 proof of concept trials, which we are currently conducting. If we co-promote MM-121 in the United States, we will be responsible for paying our sales force costs and a specified percentage of direct medical affairs, marketing and promotion costs for MM-121 in the United States and will be eligible to receive tiered, escalating royalties beginning in the high teens based on net sales of MM-121 in the United States. We are also entitled to an increase in the royalty rate if a diagnostic product is actually used with MM-121 in the treatment of solid tumor indications. Sanofi is responsible for all development and manufacturing costs for MM-121. We have completed our manufacturing obligations under the agreement, and Sanofi has assumed responsibility for all manufacturing of MM-121. Sanofi reimburses us for internal time at a designated full-time equivalent rate per year and reimburses us for direct costs and services related to the development and manufacturing of MM-121.

 

The timing of cash received from Sanofi differs from revenue recognized for financial statement purposes. We recognize revenue for development services as incurred and recognize revenue for the upfront payment, milestone payments and manufacturing services using the contingency-adjusted performance model over the expected development period, which is currently estimated to be 12 years from the effective date of our agreement with Sanofi. During the three and six months ended June 30, 2012 and 2013, we recognized revenue based on the following components of the Sanofi agreement:

 

 

 

Three months ended
June 30,

 

Six months ended
June 30,

 

(in thousands)

 

2012

 

2013

 

2012

 

2013

 

Upfront payment

 

$

1,250

 

$

1,250

 

$

2,500

 

$

2,500

 

Milestone payment

 

521

 

521

 

1,933

 

1,042

 

Development services

 

9,160

 

14,682

 

17,302

 

26,272

 

Manufacturing services and other

 

1,106

 

1,999

 

1,627

 

2,740

 

Total

 

$

12,037

 

$

18,452

 

$

23,362

 

$

32,554

 

 

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GTC Biotherapeutics, Inc.

 

In July 2009, we entered into a license agreement with GTC Biotherapeutics, Inc., or GTC, for the development of MM-093 by GTC. On March 19, 2013, GTC terminated the license agreement. As a result, we recognized the remaining $0.6 million of deferred revenue related to this license agreement during the first quarter of 2013.

 

Financial Obligations Related to the License and Development of MM-398

 

In September 2005, Hermes BioSciences, Inc., or Hermes, which we acquired in October 2009, entered into a license agreement with PharmaEngine, Inc., or PharmaEngine, under which PharmaEngine received an exclusive license to research, develop, manufacture and commercialize MM-398 in Europe and certain countries in Asia. In May 2011, we entered into a new agreement with PharmaEngine under which we reacquired all previously licensed rights for MM-398, other than rights to commercialize MM-398 in Taiwan. As a result, we now have the exclusive right to commercialize MM-398 in all territories in the world, except for Taiwan, where PharmaEngine has an exclusive commercialization right. Upon entering into the May 2011 agreement with PharmaEngine, we paid PharmaEngine a $10.0 million upfront license fee. In addition, we made a milestone payment of $5.0 million to PharmaEngine in connection with dosing the first patient in our Phase 3 clinical trial of MM-398, which occurred and was paid in the first quarter of 2012. We may be required to make up to an aggregate of $75.0 million in additional development and regulatory milestone payments and $130.0 million in additional sales milestone payments to PharmaEngine upon the achievement of specified development, regulatory and annual net sales milestones. PharmaEngine is also entitled to tiered royalties on net sales of MM-398 in Europe and certain countries in Asia. The royalty rates under the agreement range from high single digits up to the low teens as a percentage of our net sales of MM-398 in these territories. Under the May 2011 agreement, we are responsible for all future development costs of MM-398 except those required specifically for regulatory approval in Taiwan. During the three months ended June 30, 2012 and 2013, we recognized research and development expenses of $0.3 million and $0.2 million, respectively, and during the six months ended June 30, 2012 and 2013, we recognized research and development expenses of $5.6 million and $0.5 million, respectively, related to the agreement with PharmaEngine. These amounts included a $5.0 million milestone payment expensed in the first quarter of 2012.

 

Our financial obligations under other license and development agreement are summarized below under “—Liquidity and Capital Resources—Contractual obligations and commitments.”

 

Financial Operations Overview

 

Revenues

 

We have not yet generated any revenue from product sales. All of our revenue to date has been derived from license fees, milestone payments and research, development, manufacturing and other payments received from collaborations, primarily with Sanofi, and, to a lesser extent, from grant payments received from the National Cancer Institute. In the future, we may generate revenue from a combination of product sales, license fees, milestone payments and research, development and manufacturing payments from collaborations and royalties from the sales of products developed under licenses of our intellectual property. We expect that any revenue we generate will fluctuate from quarter to quarter as a result of the timing and amount of license fees, research, development and manufacturing reimbursements, milestone and other payments from collaborations, and the amount and timing of payments that we receive upon the sale of our products, to the extent any are successfully commercialized. We do not expect to generate revenue from product sales until 2014 at the earliest. If we or our

 

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collaborators fail to complete the development of our product candidates in a timely manner or obtain regulatory approval for them, our ability to generate future revenue, and our results of operations and financial position, would be materially adversely affected.

 

We expect revenues under our license and collaboration agreement with Sanofi to be lower beginning in the second half of 2013 when compared to similar historical periods due to lower expected reimbursable MM-121 expenses.

 

Research and development expense

 

The following table summarizes our principal product development programs, including the latest related stages of development for each product candidate in development and the research and development expenses allocated to each clinical product candidate.

 

 

 

 

 

Current stage

 

Three months ended

 

Six months ended

 

 

 

 

 

of

 

June 30,

 

June 30,

 

(in thousands)

 

Indication

 

development

 

2012

 

2013

 

2012

 

2013

 

MM-398

 

Cancer

 

Phase 3

 

$

3,577

 

$

8,247

 

$

11,371

 

$

15,517

 

MM-121

 

Cancer

 

Phase 2

 

9,238

 

14,759

 

17,432

 

26,821

 

MM-111

 

Cancer

 

Phase 2

 

3,542

 

4,472

 

5,445

 

8,739

 

MM-302

 

Cancer

 

Phase 1

 

2,298

 

2,025

 

3,827

 

3,494

 

MM-151

 

Cancer

 

Phase 1

 

1,414

 

1,536

 

4,230

 

3,276

 

MM-141

 

Cancer

 

Phase 1

 

1,676

 

2,757

 

4,458

 

4,143

 

Preclinical, general research and discovery

 

 

 

 

 

6,068

 

7,017

 

11,793

 

14,527

 

Stock compensation

 

 

 

 

 

945

 

1,652

 

1,853

 

2,937

 

Total research and development expense

 

 

 

 

 

$

28,758

 

$

42,465

 

$

60,409

 

$

79,454

 

 

MM-398

 

MM-398 is currently being evaluated in a Phase 3 clinical trial in patients with metastatic pancreatic cancer whose cancer has progressed on treatment with gemcitabine. We expect to complete enrollment in the third quarter of 2013 and to announce top line results during the fourth quarter of 2013 or the first quarter of 2014 for this Phase 3 clinical trial. Our current estimate of the remaining external costs associated with completing the Phase 3 clinical trial is between $9.0 million and $13.0 million. We are conducting a Phase 1 translational study to identify predictive biomarkers associated with MM-398. A translational study is a clinical trial where biomarker investigation is performed, with a goal of identifying biomarkers that predict patients’ response to the therapy. In addition, several investigator sponsored trials are ongoing in which the majority of the total clinical trial costs are paid for by the investigators. Investigator sponsored trials include a Phase 2 clinical trial in colorectal cancer and a Phase 1 clinical trial in glioma.

 

In the first quarter of 2012, we made a milestone payment of $5.0 million to PharmaEngine in connection with dosing the first patient in our Phase 3 trial. We may be required to make up to an aggregate of $75.0 million in additional development and regulatory milestone payments and $130.0 million in additional sales milestone payments to PharmaEngine upon the achievement of specified development, regulatory and annual net sales milestones. PharmaEngine is also entitled to tiered royalties

 

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based on net sales of MM-398 in Europe and certain countries in Asia. The royalty rates range from high single digits up to the low teens as a percentage of our net sales of MM-398 in these territories.

 

MM-121

 

We have entered into a license and collaboration agreement with Sanofi related to MM-121. Under the terms of the agreement, we are currently responsible for executing clinical trials through Phase 2 proof of concept trials for each indication. We have completed our manufacturing obligations under the agreement, and Sanofi has assumed responsibility for all manufacturing of MM-121. All expenses related to manufacturing are required to be reimbursed by Sanofi. Sanofi pays a portion of the estimated manufacturing campaign costs upfront and the remainder during and upon completion of the manufacturing campaign in accordance with an agreed upon budget. We separately record revenue and expenses on a gross basis under this arrangement. Sanofi is responsible for all development and manufacturing costs of MM-121. We are currently conducting four Phase 2 clinical trials and three Phase 1 clinical trials of MM-121 in multiple cancer types.

 

In addition to assessing clinical endpoints, we have designed many of these trials to assess biomarkers, which, if successfully identified, may allow us to identify pre-defined sub-populations of patients in which MM-121 may be beneficial for evaluation in later stage trials, even where we do not meet the primary endpoint of a trial in the broader population studied in the trial. Based on planned interim analyses, we do not expect to meet the primary endpoint for any of the treatment groups in our ongoing Phase 2 clinical trial of MM-121 in patients with non-small cell lung cancer or the primary endpoint in our ongoing Phase 2 clinical trial of MM-121 in patients with ovarian cancer. In our Phase 2 clinical trial of MM-121 in patients with ovarian cancer, an independent data monitoring board recommended continuation of the trial beyond the planned interim analysis. MM-121 is also under evaluation in Phase 2 clinical trials for the treatment of hormone receptor positive breast cancer and HER2-negative breast cancer. The independent data monitoring board for each of these breast cancer trials has recommended that such trial continue as planned beyond the interim analysis.

 

We expect to announce top line results in the second half of 2013 for our Phase 2 clinical trial in hormone receptor positive breast cancer, our Phase 2 clinical trial in ovarian cancer and one of the cohorts in our Phase 2 clinical trial in non-small cell lung cancer. We expect to announce top line results in 2014 for our Phase 2 clinical trial in HER2-negative breast cancer.

 

We expect MM-121 expenses to be lower in 2014 compared to 2013 as the Phase 2 clinical trials that we are conducting are brought to their conclusions and Sanofi assumes responsibility for conducting any potential Phase 3 clinical trials of MM-121 that might be initiated.

 

MM-111

 

We are currently conducting a Phase 2 clinical trial of MM-111 in gastric cancer and two Phase 1 clinical trials of MM-111 in multiple cancer types.

 

MM-302

 

We are currently conducting one Phase 1 clinical trial of MM-302 in breast cancer.

 

MM-151

 

We are currently conducting one Phase 1 clinical trial of MM-151 in solid tumors. During the first quarter of 2012, we made a $1.5 million payment under our collaboration agreement with Adimab LLC.

 

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MM-141

 

We are currently conducting one Phase 1 clinical trial of MM-141 in solid tumors.

 

General and administrative expense

 

General and administrative expense consists primarily of salaries and other related costs for personnel, including stock-based compensation expenses and benefits, in our executive, legal, intellectual property, business development, finance, purchasing, accounting, information technology, corporate communications, investor relations and human resources departments. Other general and administrative expenses include employee training and development, board of directors costs, depreciation, insurance expenses, facility-related costs not otherwise included in research and development expense, professional fees for legal services, including patent-related expenses, pre-commercialization costs, and accounting and information technology services. We expect that general and administrative expense will increase in future periods in proportion to increases in research and development and as a result of increased payroll, expanded infrastructure, increased consulting, legal, accounting and investor relations expenses associated with being a public company and costs incurred to develop and commercialize our clinical products.

 

Interest expense

 

Interest expense primarily consists of interest recorded on our loans payable.

 

Other income (expense)

 

Other income (expense) primarily consists of gains and losses on the change in value and time to expiration of convertible preferred stock warrants, the recognition of tax incentives and other one-time income or expense-related items.

 

Critical Accounting Policies and Significant Judgments and Estimates

 

Our management’s discussion and analysis of our financial condition and results of operations is based on our condensed consolidated financial statements, which we have prepared in accordance with the rules and regulations of the Securities and Exchange Commission, or the SEC, and generally accepted accounting principles in the United States, or GAAP. The preparation of these condensed consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses during the reporting periods. We evaluate our estimates and judgments on an ongoing basis. Estimates include revenue recognition, lease accounting, valuation of derivative liabilities, useful lives with respect to long-lived assets and intangibles, valuation of stock options, convertible preferred stock warrants, contingencies, accrued expenses and other, intangible assets, goodwill, in-process research and development and tax valuation reserves. We base our estimates on historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Our actual results may differ from these estimates under different assumptions or conditions.

 

While our significant accounting policies are more fully described in Note 2 to the consolidated financial statements appearing in our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC on March 20, 2013, we believe that the following accounting policies are the most critical to aid you in fully understanding and evaluating our financial condition and results of operations.

 

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Revenue recognition

 

We enter into biopharmaceutical product development agreements with collaborators for the research and development of therapeutic and diagnostic products. The terms of these agreements may include nonrefundable signing and licensing fees, funding for research, development and manufacturing, milestone payments and royalties on any product sales derived from collaborations. We assess these multiple elements in accordance with the Financial Accounting Standards Board, or FASB, Accounting Standards Codification 605, Revenue Recognition, in order to determine whether particular components of the arrangement represent separate units of accounting.

 

In January 2011, we adopted new authoritative guidance on revenue recognition for multiple element arrangements. This guidance, which applies to multiple element arrangements entered into or materially modified on or after January 1, 2011, amends the criteria for separating and allocating consideration in a multiple element arrangement by modifying the fair value requirements for revenue recognition and eliminating the use of the residual method. The fair value of deliverables under the arrangement may be derived using a best estimate of selling price if vendor specific objective evidence and third party evidence are not available.

 

Deliverables under the arrangement will be separate units of accounting provided that a delivered item has value to the customer on a stand-alone basis and if the arrangement does not include a general right of return relative to the delivered item and delivery or performance of the undelivered item is considered probable and substantially in the control of the vendor. We also adopted guidance that permits the recognition of revenue contingent upon the achievement of a milestone in its entirety, in the period in which the milestone is achieved, only if the milestone meets certain criteria and is considered to be substantive. We did not enter into any significant multiple element arrangements or materially modify any of our existing multiple element arrangements during the six months ended June 30, 2012 and 2013. Our existing collaboration agreements continue to be accounted for under previously issued revenue recognition guidance for multiple element arrangements and milestone revenue recognition, as described below.

 

We recognized upfront license payments as revenue upon delivery of the license only if the license had stand-alone value and the fair value of the undelivered performance obligations could be determined. If the fair value of the undelivered performance obligations could be determined, such obligations were accounted for separately as the obligations were fulfilled. If the license was considered to either not have stand-alone value or have stand-alone value but the fair value of any of the undelivered performance obligations could not be determined, the arrangement was accounted for as a single unit of accounting and the license payments and payments for performance obligations were recognized as revenue over the estimated period of when the performance obligations would be performed.

 

Whenever we determined that an arrangement should be accounted for as a single unit of accounting, we determined the period over which the performance obligations would be performed and revenue would be recognized. If we could not reasonably estimate the timing and the level of effort to complete our performance obligations under the arrangement, then we recognized revenue under the arrangement on a straight-line basis over the period that we expected to complete our performance obligations, which is reassessed at each subsequent reporting period.

 

Our collaboration agreements may include additional payments upon the achievement of performance-based milestones. As milestones are achieved, a portion of the milestone payment, equal to the percentage of the total time that we have performed the performance obligations to date over the total estimated time to complete the performance obligations, multiplied by the amount of the milestone payment, is recognized as revenue upon achievement of such milestone. The remaining portion of the milestone will be recognized over the remaining performance period. Milestones that are tied to

 

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regulatory approval are not considered probable of being achieved until such approval is received. Milestones tied to counterparty performance are not included in our revenue model until the performance conditions are met. We will recognize royalty revenue upon the sale of the related products, provided we have no remaining performance obligations under the arrangement. To date, we have not received any royalty payments or recognized any royalty revenue.

 

We record deferred revenue when payments are received in advance of the culmination of the earnings process. This revenue is recognized in future periods when the applicable revenue recognition criteria have been met.

 

Accrued expenses

 

As part of the process of preparing financial statements, we are required to estimate accrued expenses. This process involves identifying services that have been performed on our behalf and estimating the level of services performed and the associated costs incurred for such services where we have not yet been invoiced or otherwise notified of actual cost. We record these estimates in our condensed consolidated financial statements as of each balance sheet date. Examples of estimated accrued expenses include:

 

·                  fees due to contract research organizations in connection with preclinical and toxicology studies and clinical trials;

 

·                  fees paid to investigative sites in connection with clinical trials; and

 

·                  professional service fees.

 

In accruing service fees, we estimate the time period over which services will be provided and the level of effort in each period. If the actual timing of the provision of services or the level of effort varies from the estimate, we will adjust the accrual accordingly. In the event that we do not identify costs that have been incurred or we under or overestimate the level of services performed or the costs of such services, our actual expenses could differ from such estimates. The date on which some services commence, the level of services performed on or before a given date and the cost of such services are often subjective determinations. We make estimates based upon the facts and circumstances known to us at the time and in accordance with GAAP. There have been no material changes in estimates for the periods presented.

 

Stock-based compensation

 

We account for stock-based compensation by measuring and recognizing compensation expense for all stock-based awards made to employees, including stock options, based on the estimated grant date fair values. For employees, we use the straight-line method to allocate compensation expense to reporting periods over each optionee’s requisite service period, which is generally the vesting period. For non-employees, we record awards at fair value, periodically remeasure awards to reflect the current fair value at each reporting period and recognize expense over the related service period. When applicable, we account for these equity instruments based on the fair value of the consideration received or the fair value of the equity instrument issued, whichever is more reliably measurable.

 

We estimate the fair value of stock-based awards to employees and non-employees using the Black-Scholes option valuation model. Determining the fair value of stock-based awards requires the use of highly subjective assumptions, including volatility, the calculation of expected term, risk free interest rate and the fair value of the underlying common stock on the date of grant, among other inputs. The assumptions used in determining the fair value of stock-based awards represent our best estimates, which

 

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involve inherent uncertainties and the application of judgment. As a result, if factors change, and different assumptions are used, our level of stock-based compensation could be materially different in the future.

 

There were 0.3 million and 3.0 million options granted during the six month periods ended June 30, 2012 and 2013, respectively. The range of assumptions used to estimate the fair value of options granted to employees during the six months ended June 30, 2013 were as follows:

 

 

 

Three months ended June 30,

 

Six months ended June 30,

 

 

 

2012

 

2013

 

2012

 

2013

 

Risk-free interest rate

 

0.9-1.1%

 

0.1-1.4%

 

0.9-1.1%

 

0.1-1.4%

 

Expected dividend yield

 

0%

 

0%

 

0%

 

0%

 

Expected term

 

5.8-5.9 years

 

5.3-5.9 years

 

5.8-5.9 years

 

5.3-5.9 years

 

Expected volatility

 

71-72%

 

67-68%

 

71-72%

 

67-68%

 

 

The expected volatility rate that we use to value stock option grants is based on historical volatilities of a peer group of similar companies whose share prices are publicly available. The peer group includes companies in the pharmaceutical and biotechnology industries in a similar stage of development with a comparable market capitalization or a similar clinical focus. Because we do not have a sufficient history to estimate the expected term, we use the simplified method for estimating the expected term. Under this approach, the weighted-average expected life is presumed to be the average of the vesting term and the contractual term of the option for each tranche. The risk-free interest rate assumption was based on zero coupon U.S. treasury instruments that had terms consistent with the expected term of the stock option grants.

 

We recognize compensation expense for only the portion of options that are expected to vest. Accordingly, expected future forfeiture rates of stock options have been estimated based on our historical forfeiture rate, as adjusted for known trends. Forfeitures are estimated at the time of grant. If actual forfeiture rates vary from historical rates and estimates, additional adjustments to compensation expense may be required in future periods.

 

JOBS Act

 

On April 5, 2012, the Jumpstart Our Business Startups Act, or the JOBS Act, was enacted. Among other provisions, the JOBS Act provides that an “emerging growth company” can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act of 1933, as amended, or the Securities Act, for complying with new or revised accounting standards. This allows an emerging growth company to delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We have elected to delay such adoption of new or revised accounting standards, and as a result, we may not comply with new or revised accounting standards on the relevant dates on which adoption of such standards is required for public companies that are not emerging growth companies. Additionally, we are in the process of evaluating the benefits of relying on other exemptions and reduced reporting requirements provided by the JOBS Act.

 

Subject to certain conditions set forth in the JOBS Act, as an emerging growth company, we intend to rely on certain of these exemptions, including not being required to provide an auditor’s attestation report on our system of internal controls over financial reporting pursuant to Section 404 of the Sarbanes-Oxley Act of 2002 and comply with any requirement that may be adopted by the Public Company Accounting Oversight Board regarding mandatory audit firm rotation or a supplement to the auditor’s report providing additional information about the audit and the financial statements. We may remain an emerging growth company for up to five years, until December 31, 2017, although if the

 

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market value of our common stock that is held by non-affiliates exceeds $700.0 million as of any June 30 before that time or if we have annual gross revenues of $1.0 billion or more in any fiscal year, we would cease to be an emerging growth company as of December 31 of the applicable year.

 

Results of Operations

 

Comparison of the three months ended June 30, 2012 and 2013

 

 

 

Three months ended June
30,

 

(in thousands)

 

2012

 

2013

 

Collaboration revenues

 

$

12,063

 

$

18,452

 

Research and development expenses

 

28,758

 

42,465

 

General and administrative expenses

 

3,610

 

5,095

 

Loss from operations

 

(20,305

)

(29,108

)

Interest income

 

54

 

35

 

Interest expense

 

 

(1,293

)

Other income

 

112

 

115

 

Net loss

 

$

(20,139

)

$

(30,251

)

 

Collaboration revenues

 

Collaboration revenues for the three months ended June 30, 2013 were $18.5 million, compared to $12.1 million for the three months ended June 30, 2012, an increase of $6.4 million, or 53%. This increase resulted from increases in development services and manufacturing revenues recognized under the license and collaboration agreement with Sanofi.

 

Research and development expenses

 

Research and development expenses for the three months ended June 30, 2013 were $42.5 million, compared to $28.8 million for the three months ended June 30, 2012, an increase of $13.7 million, or 48%. This increase was primarily attributable to:

 

·                  $5.5 million of increased MM-121 spending primarily due to increased enrollment and costs associated with our ongoing clinical trials;

 

·                  $4.7 million of increased MM-398 spending primarily due to increased enrollment and costs associated with our ongoing Phase 3 clinical trial;

 

·                  $1.1 million of increased MM-141 spending primarily due to the commencement of a Phase 1 clinical trial in the second half of 2012 and timing of manufacturing activities;

 

·                  $0.9 million of increased MM-111 spending primarily due to the initiation of a Phase 2 clinical trial;

 

·                  $0.9 million of increased spending on preclinical, general research and discovery primarily due to an increased number of preclinical programs in our pipeline and increased costs associated with each preclinical program as these programs approach clinical development; and

 

·                  $0.7 million of increased stock compensation cost related to the annual grant of stock options to employees.

 

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General and administrative expenses

 

General and administrative expenses for the three months ended June 30, 2013 were $5.1 million, compared to $3.6 million for the three months ended June 30, 2012, an increase of $1.5 million, or 42%. This increase was primarily attributable to increases in labor and labor-related costs, including stock compensation expense, as well as efforts to prepare for potential commercialization of our product candidates.

 

Interest expense

 

Interest expense for the three months ended June 30, 2013 was $1.3 million, primarily attributable to the interest recorded on the loans payable from Hercules Technology Growth Capital, Inc., or Hercules.

 

Comparison of the six months ended June 30, 2012 and 2013

 

 

 

Six months ended June
30,

 

(in thousands)

 

2012

 

2013

 

Collaboration revenues

 

$

23,407

 

$

33,107

 

Research and development expenses

 

60,409

 

79,454

 

General and administrative expenses

 

7,338

 

10,027

 

Loss from operations

 

(44,340

)

(56,374

)

Interest income

 

63

 

87

 

Interest expense

 

 

(2,513

)

Other income

 

736

 

226

 

Net loss

 

$

(43,541

)

$

(58,574

)

 

Collaboration revenues

 

Collaboration revenues for the six months ended June 30, 2013 were $33.1 million, compared to $23.4 million for the six months ended June 30, 2012, an increase of $9.7 million, or 41%. This increase resulted from increases in development services, milestone and manufacturing revenues recognized under the license and collaboration agreement with Sanofi and the recognition of deferred revenue under our license agreement with GTC.

 

Research and development expenses

 

Research and development expenses for the six months ended June 30, 2013 were $79.5 million, compared to $60.4 million for the six months ended June 30, 2012, an increase of $19.1 million, or 32%. This increase was primarily attributable to:

 

·                  $9.4 million of increased MM-121 spending due to increased enrollment and costs associated with ongoing clinical trials;

 

·                  $4.1 million of increased MM-398 spending due to increased enrollment and costs associated primarily with our ongoing Phase 3 clinical trial of $9.1 million, partially offset by the absence of a $5.0 million milestone payment that occurred in the first quarter of 2012;

 

·                  $3.3 million of increased MM-111 spending due to the initiation of a Phase 2 clinical trial;

 

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·                  $2.7 million of increased spending on preclinical, general research and discovery due to an increased number of preclinical programs in our pipeline and increased costs associated with each preclinical program as these programs approach clinical development; and

 

·                  $1.1 million of increased stock compensation expense due the annual grant of stock options to employees.

 

These increases were partially offset by $1.6 million of decreased spending on MM-151, MM-302 and MM-141 primarily due to the timing of costs associated with ongoing clinical trials.

 

General and administrative expenses

 

General and administrative expenses for the six months ended June 30, 2013 were $10.0 million, compared to $7.3 million for the six months ended June 30, 2012, an increase of $2.7 million, or 37%. This increase was primarily attributable to increases in labor and labor-related costs, including stock compensation expense, as well as efforts to prepare for potential commercialization of our product candidates.

 

Interest expense

 

Interest expense for the six months ended June 30, 2013 was $2.5 million, primarily attributable to the interest recorded on the loans payable from Hercules.

 

Liquidity and Capital Resources

 

Sources of liquidity

 

We have financed our operations to date primarily through private placements of our convertible preferred stock, collaborations, public offerings of our securities and a secured debt financing. Through June 30, 2013, we have received $268.2 million from the sale of convertible preferred stock and warrants, $98.1 million of net proceeds from the sale of common stock during our initial public offering, $39.6 million of net proceeds from a secured debt financing and $202.4 million of upfront license fees, milestone payments, reimbursement of research and development costs and manufacturing services and other payments from our collaborations. As of June 30, 2013, we had unrestricted cash and cash equivalents and available-for-sale securities of $62.1 million.

 

As of June 30, 2013, within our unrestricted cash and cash equivalents, $1.2 million was cash and cash equivalents held by Silver Creek Pharmaceuticals, Inc., or Silver Creek, which is consolidated for financial reporting purposes. This $1.2 million held by Silver Creek is designated for the operations of Silver Creek.

 

On July 17, 2013, we sold an aggregate of 5,750,000 shares of our common stock at a price to the public of $5.00 per share and issued $125.0 million aggregate principal amount of 4.50% convertible senior notes due 2020 in concurrent underwritten public offerings. As a result of the concurrent common stock offering and convertible notes offering, we received net proceeds of approximately $147.4 million, including the net proceeds from the exercise in full by the underwriters in the common stock offering of an option to purchase additional shares of common stock and after deducting underwriting discounts and commissions and estimated offering expenses payable by us.

 

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Cash flows

 

The following table provides information regarding our cash flows for the six months ended June 30, 2012 and 2013.

 

 

 

Six months ended June
30,

 

(in thousands)

 

2012

 

2013

 

 

 

 

 

 

 

Cash used in operating activities

 

$

(40,442

)

$

(45,430

)

Cash (used in) provided by investing activities

 

(74,816

)

37,376

 

Cash provided by financing activities

 

96,847

 

1,283

 

Net decrease in cash and cash equivalents

 

$

(18,411

)

$

(6,771

)

 

Operating activities

 

Cash used in operating activities of $40.4 million during the six months ended June 30, 2012 was primarily a result of our net loss of $43.5 million and changes in operating assets and liabilities of $1.3 million, which includes receipt of a $5.0 million milestone payment under our license and collaboration agreement with Sanofi, partially offset by non-cash items of $4.4 million. Cash used in operating activities of $45.4 million during the six months ended June 30, 2013 was primarily a result of our net loss of $58.6 million, partially offset by non-cash items of $7.2 million and changes in operating assets and liabilities of $5.9 million.

 

Investing activities

 

Cash used in investing activities during the six months ended June 30, 2012 was primarily due to the purchase of marketable securities, as well as $1.0 million related to the purchase of property and equipment and other investing activities. Cash provided by investing activities during the six months ended June 30, 2013 was primarily due to proceeds from maturities and sales of available-for-sale securities net of purchases of $40.7 million, partially offset by $3.3 million of property and equipment purchases.

 

Financing activities

 

Cash provided by financing activities of $96.8 million during the six months ended June 30, 2012 was primarily a result of our initial public offering, net of offering costs, which closed in April 2012, partially offset by $4.0 million in payments on our Series B convertible preferred stock dividends. Cash provided by financing activities for the six months ended June 30, 2013 was primarily due to $1.2 million of proceeds from the exercise of common stock options and $0.3 million of proceeds from the sale and issuance of convertible notes by Silver Creek, partially offset by $0.2 million of deferred financing costs primarily related to our concurrent equity and debt offerings completed in July 2013.

 

Funding requirements

 

We have not completed development of any therapeutic products or companion diagnostics. We expect to continue to incur significant expenses and increasing operating losses for at least the next several years. We anticipate that our expenses will increase substantially as we:

 

·                  initiate or continue clinical trials of our six most advanced product candidates;

 

·                  continue the research and development of our other product candidates;

 

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·                  seek to discover additional product candidates;

 

·                  seek regulatory approvals for our product candidates that successfully complete clinical trials;

 

·                  establish a sales, marketing and distribution infrastructure and scale up manufacturing capabilities to commercialize products for which we may obtain regulatory approval; and

 

·                  add operational, financial and management information systems and personnel, including personnel to support our product development and planned commercialization efforts.

 

As of June 30, 2013, we had unrestricted cash and cash equivalents and available-for-sale securities of $62.1 million. We expect that our existing unrestricted cash and cash equivalents and available-for-sale securities on hand as of June 30, 2013, anticipated interest income and funding under our license and collaboration agreement with Sanofi related to MM-121, together with the net proceeds from the concurrent common stock offering and convertible notes offering in July 2013 will enable us to fund our operating expenses and capital expenditure requirements into 2015. We have based this estimate on assumptions that may prove to be wrong, and we could use our available capital resources sooner than we currently expect. Because of the numerous risks and uncertainties associated with the development and commercialization of our product candidates, and the extent to which we utilize collaborations with third parties to participate in their development and commercialization, we are unable to estimate the amounts of increased capital outlays and operating expenditures associated with our current and anticipated clinical trials. Our future capital requirements will depend on many factors, including:

 

·                  the progress and results of the clinical trials of our six most advanced product candidates;

 

·                  the success of our collaborations with Sanofi related to MM-121 and with PharmaEngine related to MM-398;

 

·                  the scope, progress, results and costs of preclinical development, laboratory testing and clinical trials for our other product candidates;

 

·                  the costs, timing and outcome of regulatory review of our product candidates;

 

·                  the costs of commercialization activities, including product sales, marketing, manufacturing and distribution;

 

·                  the costs of preparing, filing and prosecuting patent applications and maintaining, enforcing and defending intellectual property-related claims;

 

·                  the extent to which we acquire or invest in businesses, products and technologies; and

 

·                  our ability to establish and maintain additional collaborations on favorable terms, particularly marketing and distribution arrangements for oncology product candidates outside the United States and Europe.

 

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances, licensing arrangements and other marketing and distribution arrangements. We do not have any committed external sources of funds, other than our collaboration with Sanofi for the development and commercialization of MM-121, which is terminable by Sanofi for convenience upon 180 days’ prior written notice. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our stockholders will be diluted, and the terms of these securities may

 

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include liquidation or other preferences that adversely affect the rights of our stockholders. Debt financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends. For example, if we raise additional funds through marketing and distribution arrangements or other collaborations, strategic alliances or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or to grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

 

Contractual obligations and commitments

 

During the first quarter of 2013, we entered into a facility lease amendment, which further expanded our office, laboratory and manufacturing space. The aggregate incremental rent due over the seven-year term of the facility lease amendment is approximately $2.6 million.

 

As of June 30, 2013, there here have been no other material changes to our contractual obligations and commitments outside the ordinary course of business from those disclosed under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Contractual obligations and commitments” in our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC on March 20, 2013.

 

As a result of the completion of the concurrent common stock offering and the convertible notes offering and us receiving aggregate gross proceeds of at least $75 million in one or more transactions prior to December 1, 2013, we may elect to extend the interest-only period under the loan and security agreement, or Loan Agreement, with Hercules by six months so that the aggregate outstanding principal balance of the loans issued pursuant to the Loan Agreement would be repaid in monthly installments starting on June 1, 2014 and continuing through November 1, 2016. We are currently assessing our options with respect to the Loan Agreement, which could include electing to extend the interest-only period or repaying it earlier than the current May 1, 2016 maturity date.

 

Off-Balance Sheet Arrangements

 

We did not have during the periods presented, and we do not currently have, any off-balance sheet arrangements, as defined under SEC rules.

 

Recent Accounting Pronouncements

 

In February 2013, the FASB issued amendments to the accounting guidance for presentation of comprehensive income to improve the reporting of reclassifications out of accumulated other comprehensive income. The amendments do not change the current requirements for reporting net income or other comprehensive income, but do require an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement where the net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required under GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under GAAP to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures required under GAAP that provide additional detail about these amounts. For public companies, these amendments are effective prospectively for reporting periods beginning after December 

 

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15, 2012. Other than a change in presentation, we do not believe the adoption of this guidance will have a material impact on our consolidated financial statements.

 

Item 3.           Quantitative and Qualitative Disclosures About Market Risk.

 

We invest in a variety of financial instruments, principally cash deposits, money market funds, securities issued by the U.S. government and its agencies and corporate debt securities. The goals of our investment policy are preservation of capital, fulfillment of liquidity needs and fiduciary control of cash and investments. We also seek to maximize income from our investments without assuming significant risk.

 

Our primary exposure to market risk is interest income sensitivity, which is affected by changes in the general level of interest rates, particularly because our investments are in short-term marketable securities. Due to the short-term duration of our investment portfolio and the low risk profile of our investments, an immediate 1% change in interest rates would not have a material effect on the fair market value of our portfolio. We have the ability and intention to hold our investments until maturity, and therefore, we would not expect our operating results or cash flows to be affected to any significant degree by the effect of a sudden change in market interest rates on our investment portfolio.

 

We do not currently have any auction rate or mortgage-backed securities. We do not believe our cash, cash equivalents and available-for-sale investments have significant risk of default or illiquidity, however we cannot provide absolute assurance that in the future our investments will not be subject to adverse changes in market value.

 

In November 2012, we entered into the Loan Agreement with Hercules for term loans that bear interest at variable rates. We have an aggregate principal amount of $40.0 million outstanding under this facility. Interest is payable at an annual rate equal to the greater of 10.55% and 10.55% plus the prime rate of interest minus 5.25%, but may not exceed 12.55%. As a result of the 12.55% maximum annual interest rate, we have limited exposure to changes in interest rates on borrowings under this facility. For each 1% increase in the interest rate on the outstanding debt amount, subject to a maximum 2% increase, we would have an increase in future cash outflows of approximately $0.4 million over the next twelve month period based upon the term of the loan as of June 30, 2013.

 

Item 4.           Controls and Procedures.

 

Evaluation of Disclosure Controls and Procedures

 

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of June 30, 2013. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of June 30, 2013, our Chief Executive Officer and Chief Financial Officer

 

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concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

 

Changes in Internal Control over Financial Reporting

 

No change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the three months ended June 30, 2013 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

 

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PART II

OTHER INFORMATION

 

Item 1.                                 Legal Proceedings.

 

We are currently engaged in two ongoing opposition proceedings to European patents in the European Patent Office to narrow or invalidate the claims of patents owned by third parties. We have obtained favorable interim decisions in both oppositions, although both decisions are now under appeal. The ultimate outcome of these oppositions remains uncertain.

 

We filed our notice of opposition in the first proceeding, opposing a patent (EP 0896586) held by Genentech, Inc., or Genentech, in July 2007 on the grounds of added matter, insufficient disclosure, lack of novelty and lack of inventive step. Amgen Inc. and U3 Pharma GmbH also opposed the Genentech patent. If the issued claims of the Genentech patent were determined to be valid and construed to cover MM-121 or MM-111, our development and commercialization of these product candidates in Europe could be delayed or prevented. In August 2009, the European Patent Office issued a written decision rejecting several sets of Genentech’s claims and upholding the patent solely on the basis of a further set of claims that we believe will not restrict the development or commercialization of MM-121 or MM-111. All parties have appealed this decision. Pending the outcome of the appeal proceedings, the original issued claims of the Genentech patent remain in effect. Each party has submitted written statements regarding the appeal to the European Patent Office. No date has been set for a hearing for the appeal.

 

We filed our notice of opposition in the second proceeding, opposing a patent (EP 1187634) held by Zensun (Shanghai) Science and Technology Ltd., or Zensun, in September 2008 on the grounds of added matter, insufficient disclosure, lack of novelty and lack of inventive step. If the issued claims of the Zensun patent were determined to be valid and construed to cover MM-111, our development and commercialization of MM-111 in Europe could be delayed or prevented. In August 2010, the European Patent Office issued a written decision revoking Zensun’s patent. Zensun has appealed this decision. Pending the outcome of this appeal, the original issued claims of the Zensun patent remain in effect. Each party has submitted written statements regarding the appeal to the European Patent Office. No date has been set for a hearing for the appeal.

 

We are not currently a party to any other material legal proceedings.

 

Item 1A.                        Risk Factors.

 

Risks Related to Our Financial Position and Need for Additional Capital

 

We have incurred significant losses since our inception. We expect to incur losses for the foreseeable future and may never achieve or maintain profitability.

 

Since inception, we have incurred significant operating losses. Our net loss was $58.6 million for the six months ended June 30, 2013, $91.8 million for the year ended December 31, 2012 and $79.7 million for the year ended December 31, 2011. As of June 30, 2013, we had an accumulated deficit of $500.4 million. To date, we have financed our operations primarily through private placements of our convertible preferred stock, collaborations, public offerings of our securities and a secured debt financing. We have devoted substantially all of our efforts to research and development, including clinical trials. We have not completed development of or commercialized any therapeutic product candidates or companion diagnostics. We expect to continue to incur significant expenses and increasing operating losses for at least the next several years. We anticipate that our expenses will increase substantially as we:

 

·                  initiate or continue clinical trials of our six most advanced product candidates;

 

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·                  continue the research and development of our other product candidates;

 

·                  seek to discover additional product candidates;

 

·                  seek regulatory approvals for our product candidates that successfully complete clinical trials;

 

·                  establish a sales, marketing and distribution infrastructure and scale up manufacturing capabilities to commercialize products for which we may obtain regulatory approval; and

 

·                  add operational, financial and management information systems and personnel, including personnel to support our product development and planned commercialization efforts.

 

To become and remain profitable, we must succeed in developing and eventually commercializing products with significant market potential. This will require us to be successful in a range of challenging activities, including discovering product candidates, completing preclinical testing and clinical trials of our product candidates, obtaining regulatory approval for these product candidates and manufacturing, marketing and selling those products for which we may obtain regulatory approval. We are only in the preliminary stages of some of these activities. We may never succeed in these activities and may never generate revenues that are significant or large enough to achieve profitability. Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Our failure to become and remain profitable would depress the value of our company and could impair our ability to raise capital, expand our business, diversify our product offerings or continue our operations. A decline in the value of our company could also cause you to lose all or part of your investment.

 

Our substantial indebtedness may limit cash flow available to invest in the ongoing needs of our business.

 

We have now and, will continue to have, a significant amount of indebtedness. As of June 30, 2013, we had outstanding borrowings in an aggregate principal amount of $40.0 million under the Loan Agreement with Hercules. In addition, on July 17, 2013, we issued $125.0 million aggregate principal amount of 4.50% convertible senior notes. In connection with the convertible notes offering, we granted the underwriters in that offering an option, exercisable for 30 days from the pricing of the convertible notes offering, to purchase up to an additional $18.75 million in aggregate principal amount of the notes, solely to cover over-allotments. We could in the future incur additional indebtedness beyond such amounts.

 

Our substantial debt combined with our other financial obligations and contractual commitments could have significant adverse consequences, including:

 

·                  requiring us to dedicate a substantial portion of cash flow from operations to the payment of interest on, and principal of, our debt, which will reduce the amounts available to fund working capital, capital expenditures, product development efforts and other general corporate purposes;

 

·                  increasing our vulnerability to adverse changes in general economic, industry and market conditions;

 

·                  obligating us to restrictive covenants that may reduce our ability to take certain corporate actions or obtain further debt or equity financing;

 

·                  limiting our flexibility in planning for, or reacting to, changes in our business and the industry in which we compete; and

 

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·                  placing us at a competitive disadvantage compared to our competitors that have less debt or better debt servicing options.

 

In addition, we are vulnerable to increases in the market rate of interest because our currently outstanding secured debt bears interest at a variable rate. If the market rate of interest increases, we will have to pay additional interest on our outstanding debt, which would reduce cash available for our other business needs.

 

We intend to satisfy our current and future debt service obligations with our existing cash and cash equivalents and available-for-sale securities and funds from external sources. However, we may not have sufficient funds or may be unable to arrange for additional financing to pay the amounts due under our existing debt. Funds from external sources may not be available on acceptable terms, if at all. In addition, a failure to comply with the covenants under our existing debt instruments could result in an event of default under those instruments. In the event of an acceleration of amounts due under our debt instruments as a result of an event of default, including upon the occurrence of an event that would reasonably be expected to have a material adverse effect on our business, operations, properties, assets or condition or a failure to pay any amount due, we may not have sufficient funds or may be unable to arrange for additional financing to repay our indebtedness or to make any accelerated payments, and the lenders could seek to enforce security interests in the collateral securing such indebtedness. In addition, the covenants under our existing debt instruments and the pledge of our assets as collateral limit our ability to obtain additional debt financing.

 

Servicing our debt requires a significant amount of cash, and we may not have sufficient cash flow from our business to pay our obligations.

 

Our ability to make scheduled payments of the principal of, to pay interest on or to refinance our indebtedness, depends on our future performance, which is subject to economic, financial, competitive and other factors beyond our control. Our business may not continue to generate cash flow from operations in the future sufficient to service our debt and make necessary capital expenditures. If we are unable to generate cash flow, we may be required to adopt one or more alternatives, such as selling assets, restructuring debt or obtaining additional equity or debt financing on terms that may be unfavorable to us or highly dilutive. Our ability to refinance our indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations or future indebtedness.

 

We will need substantial additional funding. If we are unable to raise capital when needed, we would be forced to delay, reduce or eliminate our product development programs or commercialization efforts.

 

We will need substantial additional funding in connection with our continuing operations. We expect our research and development expenses to increase in connection with our ongoing activities, particularly as we continue the research, development and clinical trials of, and seek regulatory approval for, our product candidates. In addition, in connection with seeking and possibly obtaining regulatory approval of any of our product candidates, we expect to incur significant commercialization expenses for product sales, marketing, manufacturing and distribution. If we are unable to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our research and development programs or commercialization efforts.

 

We expect that our existing unrestricted cash and cash equivalents and available-for-sale securities on hand as of June 30, 2013, anticipated interest income and funding under our license and collaboration agreement with Sanofi related to MM-121, together with the net proceeds from the common stock offering and the convertible notes offering in July 2013, will enable us to fund our operating

 

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expenses and capital expenditure requirements into 2015. Our future capital requirements will depend on many factors, including:

 

·                  the progress and results of the clinical trials of our six most advanced product candidates;

 

·                  the success of our collaborations with Sanofi related to MM-121 and PharmaEngine related to MM-398;

 

·                  the scope, progress, results and costs of preclinical development, laboratory testing and clinical trials for our other product candidates;

 

·                  the costs, timing and outcome of regulatory review of our product candidates;

 

·                  the costs of commercialization activities, including product sales, marketing, manufacturing and distribution;

 

·                  the costs of preparing, filing and prosecuting patent applications and maintaining, enforcing and defending intellectual property-related claims;

 

·                  the extent to which we acquire or invest in businesses, products and technologies;

 

·                  our ability to establish and maintain commercial manufacturing arrangements for the manufacture of drug product on behalf of third party pharmaceutical companies; and

 

·                  our ability to establish and maintain additional collaborations on favorable terms, particularly marketing and distribution arrangements for oncology product candidates outside the United States and Europe.

 

Conducting preclinical testing and clinical trials is a time-consuming, expensive and uncertain process that takes years to complete, and we may never generate the necessary data required to obtain regulatory approval and achieve product sales. In addition, our product candidates, if approved, may not achieve commercial success. Our commercial revenues, if any, will be derived from sales of products that we do not expect to be commercially available for several years, if at all. Accordingly, we will need to continue to rely on additional financing to achieve our business objectives.

 

Raising additional capital may cause dilution to our existing stockholders, restrict our operations or require us to relinquish rights to our technologies or product candidates.

 

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances, licensing arrangements and other marketing and distribution arrangements. We do not have any committed external source of funds, other than our collaboration with Sanofi for the development and commercialization of MM-121, which is terminable by Sanofi for convenience upon 180 days’ prior written notice. Other sources of funds may not be available or, if available, may not be available on terms satisfactory to us and could result in significant stockholder dilution. On July 17, 2013, we sold an aggregate of 5,750,000 shares of our common stock at a price to the public of $5.00 per share and issued $125.0 million aggregate principal amount of notes in concurrent underwritten public offerings. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our existing common stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of our stockholders. Additional debt financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital

 

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expenditures or declaring dividends, and these covenants may also require us to attain certain levels of financial performance and we may not be able to do so; any such failure may result in the acceleration of such debt and the foreclosure by our creditors on the collateral we used to secure the debt. The debt issued in a debt financing would also be senior to our outstanding shares of capital stock, and may rank equally with or senior to the notes upon our liquidation. Our existing indebtedness and the pledge of our assets as collateral limit our ability to obtain additional debt financing. If we raise additional funds through marketing and distribution arrangements or other collaborations, strategic alliances or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or to grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

 

Our investments are subject to risks that could result in losses.

 

We invest our cash in a variety of financial instruments, principally securities issued by the U.S. government and its agencies, investment grade corporate bonds, including commercial paper, and money market instruments. All of these investments are subject to credit, liquidity, market and interest rate risk. Such risks, including the failure or severe financial distress of the financial institutions that hold our cash, cash equivalents and investments, may result in a loss of liquidity, impairment to our investments, realization of substantial future losses, or a complete loss of the investments in the long-term, which may have a material adverse effect on our business, results of operations, liquidity and financial condition. In order to manage the risk to our investments, we maintain an investment policy that, among other things, limits the amount that we may invest in any one issue or any single issuer and requires us to only invest in high credit quality securities.

 

Risks Related to the Development and Commercialization of Our Product Candidates

 

We depend heavily on the success of our six most advanced product candidates. All of our product candidates are still in preclinical and clinical development. Clinical trials of our product candidates may not be successful. If we are unable to commercialize our product candidates, or experience significant delays in doing so, our business will be materially harmed.

 

We have invested a significant portion of our efforts and financial resources in the acquisition of rights to MM-398 and the development of our five other most advanced product candidates for the treatment of various types of cancer. All of our therapeutic product candidates are still in preclinical and clinical development. Our ability to generate product revenues, which we do not expect will occur until 2014 at the earliest, if ever, will depend heavily on the successful development and eventual commercialization of these product candidates. The success of our product candidates, which include both our therapeutic product candidates and companion diagnostic candidates, will depend on several factors, including the following:

 

·                  successful enrollment in, and completion of, preclinical studies and clinical trials;

 

·                  receipt of marketing approvals from the FDA and similar regulatory authorities outside the United States for our product candidates, including our companion diagnostics;

 

·                  establishing commercial manufacturing capabilities, either by building such facilities ourselves or making arrangements with third party manufacturers;

 

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·                  launching commercial sales of any approved products, whether alone or in collaboration with others;

 

·                  acceptance of any approved products by patients, the medical community and third party payors;

 

·                  effectively competing with other therapies;

 

·                  a continued acceptable safety profile of any products following approval; and

 

·                  qualifying for, maintaining, enforcing and defending intellectual property rights and claims.

 

If we do not achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an inability to successfully commercialize our product candidates, which would materially harm our business.

 

If clinical trials of our product candidates fail to demonstrate safety and efficacy to the satisfaction of the FDA or similar regulatory authorities outside the United States or do not otherwise produce positive results, we may incur additional costs or experience delays in completing, or ultimately be unable to complete, the development and commercialization of our product candidates.

 

Before obtaining regulatory approval for the sale of our product candidates, we must conduct extensive clinical trials to demonstrate the safety and efficacy of our product candidates in humans. Clinical testing is expensive, difficult to design and implement, can take many years to complete and is uncertain as to outcome. A failure of one or more of our clinical trials can occur at any stage of testing. The outcome of preclinical testing and early clinical trials may not be predictive of the success of later clinical trials, and successful interim results of a clinical trial do not necessarily predict final successful results.

 

We may experience numerous unexpected events during, or as a result of, clinical trials that could delay or prevent our ability to receive regulatory approval or commercialize our product candidates, including:

 

·                  regulators or institutional review boards may not authorize us or our investigators to commence a clinical trial or conduct a clinical trial at a prospective trial site;

 

·                  clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulators may require us, to conduct additional clinical trials or abandon product development programs;

 

·                  the number of patients required for clinical trials of our product candidates may be larger than we anticipate, enrollment in these clinical trials may be insufficient or slower than we anticipate or patients may drop out of these clinical trials at a higher rate than we anticipate;

 

·                  our third party contractors may fail to comply with regulatory requirements or meet their contractual obligations to us in a timely manner, or at all;

 

·                  we might have to suspend or terminate clinical trials of our product candidates for various reasons, including a finding of a lack of clinical response or a finding that the patients are being exposed to unacceptable health risks;

 

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·                  regulators or institutional review boards may require that we or our investigators suspend or terminate clinical research for various reasons, including noncompliance with regulatory requirements;

 

·                  the cost of clinical trials of our product candidates may be greater than we anticipate;

 

·                  the supply or quality of our product candidates, companion diagnostics or other materials necessary to conduct clinical trials of our product candidates may be insufficient or inadequate; and

 

·                  our product candidates may have undesirable side effects or other unexpected characteristics, causing us or our investigators to suspend or terminate the trials.

 

For example, in a Phase 2 clinical trial of MM-121 in patients with non-small cell lung cancer, one of the three cohorts (Group C) failed to meet its primary endpoint, the second cohort (Group A) did not pass a planned interim analysis and is not expected to meet its primary endpoint, and the third cohort (Group B) did not pass its planned interim analysis and will no longer be enrolling patients. Additionally, as a result of a planned interim analysis, we do not expect to meet the primary endpoint in a Phase 2 clinical trial of MM-121 in patients with ovarian cancer.

 

Preclinical and clinical data may not be predictive of the success of later clinical trials, and are often susceptible to varying interpretations and analyses. Many companies that have believed their product candidates performed satisfactorily in preclinical studies and clinical trials have nonetheless failed to obtain marketing approval of their products. For instance, the favorable results from a Phase 2 clinical trial of MM-398 in patients with metastatic pancreatic cancer may not be predictive of success in our Phase 3 clinical trial of MM-398 for the same indication, in particular because the trials have different efficacy endpoints and the Phase 2 trial was a single arm study that did not compare MM-398 to other therapies. Our Phase 3 trial, as amended, is designed to compare the efficacy of each of MM-398 as a monotherapy and MM-398 in combination with 5-FU and leucovorin against a common control of the combination of 5-FU and leucovorin. This Phase 3 trial is based on an efficacy endpoint of statistically significant difference in overall survival.

 

Unexpected events, including changes in clinical practice, may precipitate amendments to our trials. For instance, MM-398 is currently being evaluated in a Phase 2 clinical trial in second-line metastatic colorectal cancer, which is being conducted by GERCOR, a cooperative research group of physicians based in France. This trial was initially designed as a randomized, non-comparative trial evaluating a regimen of 5-FU, leucovorin and MM-398 and FOLFIRI, which is a regimen of 5-FU, leucovorin and irinotecan. Roche recently announced results from a Phase 3 clinical trial in second-line metastatic colorectal cancer being conducted in Europe comparing chemotherapy to chemotherapy plus bevacizumab. The results of this trial by Roche have caused some medical institutions and physicians in France to modify their clinical practice. As a result, GERCOR amended the Phase 2 clinical trial of MM-398 to include bevacizumab in both arms. The amended trial resumed accrual of patients in July 2012 and is currently ongoing.

 

If we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently contemplate, if we are unable to successfully complete clinical trials of our product candidates or other testing, if the results of these trials or tests are not positive or are only modestly positive or if there are safety concerns, we may:

 

·                  be delayed in obtaining marketing approval for our product candidates;

 

·                  not obtain marketing approval at all;

 

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·                  obtain approval for indications that are not as broad as intended;

 

·                  have the product removed from the market after obtaining marketing approval;

 

·                  be subject to additional post-marketing testing requirements;

 

·                  be subject to restrictions on how the product is distributed or used; or

 

·                  be unable to obtain reimbursement for use of the product.

 

In particular, it is possible that the FDA and other regulatory agencies may not consider the results of our Phase 3 clinical trial of MM-398 for the treatment of patients with metastatic pancreatic cancer, once completed, to be sufficient for approval of MM-398 for this indication. In general, the FDA suggests two adequate and well-controlled clinical trials to demonstrate effectiveness because a conclusion based on two persuasive studies will be more secure. Although the FDA informed us that the original design of our Phase 3 clinical trial of MM-398, plus supportive Phase 2 data obtained to date, could potentially provide sufficient safety and effectiveness data for the treatment of patients with metastatic pancreatic cancer, the FDA has further advised us that whether one or two adequate and well controlled clinical trials will be required will be a review issue in connection with a new drug application, or NDA, submission. Even if we achieve favorable results in our Phase 3 clinical trial, the FDA may nonetheless require that we conduct additional clinical trials, possibly using a different design.

 

Delays in testing or approvals may result in increases to our product development costs. We do not know whether any clinical trials will begin as planned, will need to be restructured or will be completed on schedule, or at all.

 

Significant clinical trial delays also could shorten any periods during which we may have the exclusive right to commercialize our product candidates or allow our competitors to bring products to market before we do and impair our ability to commercialize our product candidates and may harm our business and results of operations.

 

If serious adverse or undesirable side effects are identified during the development of our product candidates, we may need to abandon our development of some of our product candidates.

 

All of our product candidates are still in preclinical or clinical development and their risk of failure is high. It is impossible to predict when or if any of our product candidates will prove effective or safe in humans or will receive regulatory approval. Currently marketed therapies for solid tumors are generally limited to some extent by their toxicity. Use of our product candidates as monotherapies in clinical trials also has resulted in adverse events consistent in nature with other marketed therapies. When used in combination with other marketed or investigational therapies, our product candidates may exacerbate adverse events associated with the other therapy. If our product candidates, either alone or in combination with other therapies, result in undesirable side effects or have characteristics that are unexpected, we may need to modify or abandon their development.

 

If we experience delays in the enrollment of patients in our clinical trials, our receipt of necessary regulatory approvals could be delayed or prevented.

 

We may not be able to initiate or continue clinical trials for our product candidates if we are unable to locate and enroll a sufficient number of eligible patients to participate in these trials as required by the FDA or other regulatory authorities. In addition, many of our competitors have ongoing clinical trials for product candidates that could be competitive with our product candidates. Patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors’ product

 

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candidates or rely upon treatment with existing therapies that may preclude them from eligibility for our clinical trials.

 

Enrollment delays in our clinical trials may result in increased development costs for our product candidates, which would cause the value of the company to decline and limit our ability to obtain additional financing. Our inability to enroll a sufficient number of patients for any of our current or future clinical trials would result in significant delays or may require us to abandon one or more clinical trials altogether.

 

In general, we forecast enrollment for our clinical trials based on experience from previous clinical trials and monitor enrollment to be able to make adjustments to clinical trials when appropriate, including as a result of slower than expected enrollment that we experience from time to time in our clinical trials. For example, we experienced slower than expected enrollment in our Phase 2 clinical trial of MM-121 in combination with exemestane for hormone receptor positive breast cancer. In response, we revised the entry criteria for the clinical trial to correspond with changes in clinical practice and also expanded the number of sites and countries participating in the clinical trial. It is possible that slow enrollment in other clinical trials in the future could require us to make similar adjustments. If these adjustments do not overcome problems with slow enrollment, we could experience significant delays or abandon the applicable clinical trial altogether.

 

If we are unable to successfully develop companion diagnostics for our therapeutic product candidates, or experience significant delays in doing so, we may not realize the full commercial potential of our therapeutics.

 

An important component of our business strategy is to develop in vitro or in vivo companion diagnostics for each of our therapeutic product candidates. There has been limited success to date industry-wide in developing companion diagnostics, in particular in vitro companion diagnostics. To be successful, we will need to address a number of scientific, technical, regulatory and logistical challenges.

 

Although we have developed prototype assays for some in vitro diagnostic candidates, all of our companion diagnostic candidates are in preclinical development or clinical feasibility testing. We have limited experience in the development of diagnostics and may not be successful in developing appropriate diagnostics to pair with any of our therapeutic product candidates that receive marketing approval. The FDA and similar regulatory authorities outside the United States are generally expected to regulate in vitro companion diagnostics as medical devices and in vivo companion diagnostics as drugs. In each case, companion diagnostics require separate regulatory approval prior to commercialization. Given our limited experience in developing diagnostics, we expect to rely in part on third parties for their design, development and manufacture. If we, or any third parties that we engage to assist us, are unable to successfully develop companion diagnostics for our therapeutic product candidates, or experience delays in doing so, the development of our therapeutic product candidates may be adversely affected, our therapeutic product candidates may not receive marketing approval and we may not realize the full commercial potential of any therapeutics that receive marketing approval. As a result, our business would be harmed, possibly materially.

 

Even if any of our product candidates, including our six most advanced product candidates, receive regulatory approval, they may fail to achieve the degree of market acceptance by physicians, patients, healthcare payors and others in the medical community necessary for commercial success.

 

If any of our product candidates, including our six most advanced product candidates, receive marketing approval, they may nonetheless not gain sufficient market acceptance by physicians, patients, healthcare payors and others in the medical community. If these products do not achieve an adequate level of acceptance, we may not generate significant product revenues and we may not become profitable.

 

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The degree of market acceptance of our product candidates, if approved for commercial sale, will depend on a number of factors that may be uncertain or subjective, including:

 

·                  the prevalence and severity of any side effects;

 

·                  efficacy and potential advantages or disadvantages compared to alternative treatments;

 

·                  the price we charge for our product candidates;

 

·                  convenience and ease of administration compared to alternative treatments;

 

·                  the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

 

·                  our ability to successfully develop companion diagnostics that effectively identify patient populations likely to benefit from treatment with our therapeutic products;

 

·                  the strength of marketing and distribution support; and

 

·                  sufficient third party coverage or reimbursement.

 

If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to sell and market our product candidates, we may not be successful in commercializing our product candidates.

 

We do not have a sales or marketing infrastructure and have no experience in the sale, marketing or distribution of therapeutic products. To achieve commercial success for any approved product, we must either develop a sales and marketing organization or outsource these functions to third parties. Our current plan for our oncology products, other than MM-121, for which we receive marketing approval, is to market and sell these products ourselves in the United States and Europe and to establish distribution or other marketing arrangements with third parties for these products in the rest of the world. We have an option to co-promote MM-121 in the United States with Sanofi, which otherwise holds worldwide commercialization rights to this product candidate.

 

There are risks involved with both establishing our own sales and marketing capabilities and entering into arrangements with third parties to perform these services. For example, recruiting and training a sales force is expensive and time-consuming and could delay any product launch. If the commercial launch of a product candidate for which we recruit a sales force and establish marketing capabilities is delayed or does not occur for any reason, we would have prematurely or unnecessarily incurred these commercialization expenses. This may be costly, and our investment would be lost if we cannot retain or reposition our sales and marketing personnel.

 

Establishing effective sales, marketing and distribution capabilities and infrastructure in Europe may be particularly difficult for us. We have no prior experience in these areas. In addition, there are complex regulatory, tax, labor and other legal requirements imposed by both the European Union and many of the individual countries in Europe with which we will need to comply. Many U.S.-based biopharmaceutical companies have found the process of marketing their own products in Europe to be very challenging.

 

We also may not be successful entering into arrangements with third parties to sell and market our product candidates or doing so on terms that are favorable to us. We likely will have little control over such third parties, and any of them may fail to devote the necessary resources and attention to sell and

 

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market our products effectively. If we do not establish sales and marketing capabilities successfully, either on our own or in collaboration with third parties, we will not be successful in commercializing our product candidates.

 

We face substantial competition, which may result in others discovering, developing or commercializing products before or more successfully than we do.

 

The development and commercialization of new therapeutic and diagnostic products is highly competitive. We face competition with respect to our current product candidates, and will face competition with respect to any products that we may seek to develop or commercialize in the future, from major pharmaceutical companies, specialty pharmaceutical companies and biotechnology companies worldwide. Several large pharmaceutical and biotechnology companies currently market and sell products for the treatment of the solid tumor indications for which we are developing our product candidates. Potential competitors also include academic institutions, government agencies and other public and private research organizations that conduct research, seek patent protection and establish collaborative arrangements for research, development, manufacturing and commercialization. Many of these competitors are attempting to develop therapeutics for our target indications.

 

We are developing our product candidates for the treatment of solid tumors. There are a variety of available therapies marketed for solid tumors. In many cases, these drugs are administered in combination to enhance efficacy. Some of these drugs are branded and subject to patent protection, and others are available on a generic basis, including the active ingredients in MM-398 and MM-302. Many of these approved drugs are well established therapies and are widely accepted by physicians, patients and third party payors. This may make it difficult for us to achieve our business strategy of replacing existing therapies with our product candidates.

 

There are also a number of products in late stage clinical development to treat solid tumors. Our competitors may develop products that are more effective, safer, more convenient or less costly than any that we are developing or that would render our product candidates obsolete or non-competitive. Our competitors may also obtain FDA or other regulatory approval for their products more rapidly than we may obtain approval for ours.

 

Many of our competitors have significantly greater financial resources and expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved products than we do. Mergers and acquisitions in the pharmaceutical, biotechnology and diagnostic industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller or early stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These third parties compete with us in recruiting and retaining qualified scientific and management personnel, establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs.

 

Even if we are able to commercialize any product candidates, the products may become subject to unfavorable pricing regulations, third party reimbursement practices or healthcare reform initiatives, thereby harming our business.

 

The regulations that govern marketing approvals, pricing and reimbursement for new therapeutic and diagnostic products vary widely from country to country. Some countries require approval of the sale price of a product before it can be marketed. In many countries, the pricing review period begins after marketing or product licensing approval is granted. In some foreign markets, prescription pharmaceutical pricing remains subject to continuing governmental control even after initial approval is granted. As a result, we might obtain regulatory approval for a product in a particular country, but then be subject to

 

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price regulations that delay our commercial launch of the product and negatively impact the revenues we are able to generate from the sale of the product in that country. Adverse pricing limitations may hinder our ability to recoup our investment in one or more product candidates, even if our product candidates obtain regulatory approval.

 

Our ability to commercialize any products successfully also will depend in part on the extent to which reimbursement for these products and related treatments will be available from government health administration authorities, private health insurers and other organizations. Government authorities and third party payors, such as private health insurers and health maintenance organizations, decide which medications they will pay for and establish reimbursement levels. A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Government authorities and these third party payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications. Increasingly, third party payors are requiring that companies provide them with predetermined discounts from list prices and are challenging the prices charged for medical products. We cannot be sure that reimbursement will be available for any product that we commercialize and, if reimbursement is available, what the level of reimbursement will be. Reimbursement may impact the demand for, or the price of, any product for which we obtain marketing approval. Obtaining reimbursement for our products may be particularly difficult because of the higher prices often associated with products administered under the supervision of a physician. If reimbursement is not available or is available only to limited levels, we may not be able to successfully commercialize any product candidate that we successfully develop.

 

There may be significant delays in obtaining reimbursement for approved products, and coverage may be more limited than the purposes for which the product is approved by the FDA or regulatory authorities in other countries. Moreover, eligibility for reimbursement does not imply that any product will be paid for in all cases or at a rate that covers our costs, including research, development, manufacture, sale and distribution. Interim payments for new products, if applicable, may also not be sufficient to cover our costs and may not be made permanent. Payment rates may vary according to the use of the product and the clinical setting in which it is used, may be based on payments allowed for lower cost products that are already reimbursed, and may be incorporated into existing payments for other services. Net prices for products may be reduced by mandatory discounts or rebates required by government healthcare programs or private payors and by any future weakening of laws that presently restrict imports of products from countries where they may be sold at lower prices than in the United States. Third party payors often rely upon Medicare coverage policy and payment limitations in setting their own reimbursement policies. Our inability to promptly obtain coverage and profitable payment rates from both government-funded and private payors for new products that we develop could have a material adverse effect on our operating results, our ability to raise capital needed to commercialize products and our overall financial condition.

 

Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products that we may develop.

 

We face an inherent risk of product liability exposure related to the testing of our product candidates in human clinical trials and will face an even greater risk if we commercially sell any products that we may develop. If we cannot successfully defend ourselves against claims that our product candidates or products caused injuries, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in:

 

·                  decreased demand for any product candidates or products that we may develop;

 

·                  injury to our reputation and significant negative media attention;

 

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·                  withdrawal of patients from clinical trials;

 

·                  significant costs to defend the related litigation;

 

·                  substantial monetary awards to patients;

 

·                  loss of revenue; and

 

·                  the inability to commercialize any products that we may develop.

 

We currently hold $10.0 million in product liability insurance coverage, which may not be adequate to cover all liabilities that we may incur. Insurance coverage is increasingly expensive. We may not be able to maintain insurance coverage at a reasonable cost or in an amount adequate to satisfy any or every liability that may arise.

 

We may expend our limited resources to pursue a particular product candidate or indication and fail to capitalize on product candidates or indications that may be more profitable or for which there is a greater likelihood of success.

 

Because we have limited financial and managerial resources, we focus on research programs and product candidates for specific indications. As a result, we may forego or delay pursuit of opportunities with other product candidates or other indications that later prove to have greater commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial products or profitable market opportunities. Our spending on current and future research and development programs and product candidates for specific indications may not yield any commercially viable products.

 

We have based our research and development efforts on our Network Biology approach. Notwithstanding our large investment to date and anticipated future expenditures in Network Biology, we have not yet developed, and may never successfully develop, any marketed products using this approach. As a result of pursuing our Network Biology approach, we may fail to address or develop product candidates or indications based on other scientific approaches that may offer greater commercial potential or for which there is a greater likelihood of success.

 

We also may not be successful in our efforts to identify or discover additional product candidates through our Network Biology approach. Research programs to identify new product candidates require substantial technical, financial and human resources. These research programs may initially show promise in identifying potential product candidates, yet fail to yield product candidates for clinical development.

 

If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate through collaboration, licensing or other royalty arrangements in cases in which it would have otherwise been more advantageous for us to retain sole development and commercialization rights.

 

We plan to establish separately funded companies for the development of product candidates using our Network Biology approach in some areas outside the oncology field. These companies may not be successful in the development and commercialization of any product candidates.

 

We plan to apply our Network Biology approach to multiple additional disease areas outside the oncology field. We expect to do so in some cases through the establishment of separately funded companies. For example, we established Silver Creek to develop product candidates in the field of regenerative medicine using Network Biology. Silver Creek has received separate funding from investors other than us. Although Silver Creek is currently majority owned by us, in the future we may not be the

 

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majority owner of or control Silver Creek or other companies that we establish. If in the future we do not control Silver Creek or any future similar company that we establish, Silver Creek or such other companies could take actions that we do not endorse or with which we disagree, such as using Network Biology in a way that reflects adversely on us. In addition, these companies may have difficulty raising additional funds and could encounter any of the risks in developing and commercializing product candidates to which we are subject.

 

If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could have a material adverse effect on the success of our business.

 

We are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, storage, treatment and disposal of hazardous materials and wastes. Our operations involve the use of hazardous and flammable materials, including chemicals and radioactive and biological materials. Our operations also produce hazardous waste products. We generally contract with third parties for the disposal of these materials and wastes. We also store certain low level radioactive waste at our facilities until the materials can be properly disposed of. We cannot eliminate the risk of contamination or injury from these materials. In the event of contamination or injury resulting from our use of hazardous materials, we could be held liable for any resulting damages, and any liability could exceed our resources. We also could incur significant costs associated with civil or criminal fines and penalties.

 

Although we maintain workers’ compensation insurance to cover us for costs and expenses we may incur due to injuries to our employees resulting from the use of hazardous materials, this insurance may not provide adequate coverage against potential liabilities. We do not maintain insurance for environmental liability or toxic tort claims that may be asserted against us in connection with our storage, use or disposal of biological, hazardous or radioactive materials.

 

In addition, we may be required to incur substantial costs to comply with current or future environmental, health and safety laws and regulations. These current or future laws and regulations may impair our research, development or production efforts. Failure to comply with these laws and regulations also may result in substantial fines, penalties or other sanctions.

 

Fluctuations in foreign currency exchange rates could substantially increase the costs of our clinical trial programs.

 

A significant portion of our clinical trial activities are conducted outside of the United States, and associated costs may be incurred in the local currency of the country in which the trial is being conducted, which costs could be subject to fluctuations in foreign exchange rates. At present, we do not engage in hedging transactions to protect against uncertainty in future exchange rates between particular foreign currencies and the U.S. dollar. A decline in the value of the U.S. dollar against currencies in geographies in which we conduct clinical trials could be expected to have a negative impact on our research and development costs. We cannot predict the impact of foreign currency fluctuations, and foreign currency fluctuations in the future may adversely affect our development costs.

 

Risks Related to Our Dependence on Third Parties

 

The successful development and commercialization of MM-121 depends substantially on our collaboration with Sanofi. If Sanofi is unable or unwilling to further develop or commercialize MM-121, or experiences significant delays in doing so, our business will be materially harmed.

 

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MM-121 is one of our most clinically advanced product candidates. In 2009, we entered into a license and collaboration agreement with Sanofi for the development and commercialization of MM-121. Prior to this collaboration, we did not have a history of working together with Sanofi. The collaboration involves a complex allocation of rights, provides for milestone payments to us based on the achievement of specified development, regulatory and commercial sale milestones, and provides us with royalty-based revenue if MM-121 is successfully commercialized. We cannot predict the success of the collaboration.

 

Under our license and collaboration agreement, Sanofi has significant control over the conduct and timing of development and commercialization efforts with respect to MM-121. Although we and Sanofi have approved a global development plan, Sanofi may change its development plans for MM-121 at any time. We have little control over the amount, timing and quality of resources that Sanofi devotes to the development or commercialization of MM-121. If Sanofi fails to devote sufficient financial and other resources to the development or commercialization of MM-121, the development and commercialization of MM-121 would be delayed or could fail. This would result in a delay in our receiving milestone payments or royalties with respect to MM-121 or in our not receiving such milestone payments or royalties at all.

 

If we lose Sanofi as a collaborator in the development or commercialization of MM-121, it would materially harm our business.

 

Sanofi has the right to terminate our agreement for the development and commercialization of MM-121, in whole or with respect to specified territories, at any time and for any reason, upon 180 days’ prior written notice. Sanofi also has the right to terminate our agreement if we fail to cure a material breach of our agreement within a specified cure period, or fail to diligently pursue a cure if such a breach is not curable within such period.

 

If Sanofi terminates our agreement at any time, whether on the basis of our uncured material breach or for any other reason, it would delay or prevent our development of MM-121 and materially harm our business and could accelerate our need for additional capital. In particular, we would have to fund the clinical development and commercialization of MM-121 on our own, seek another collaborator or licensee for such clinical development and commercialization, or abandon the development and commercialization of MM-121.

 

The successful development and commercialization of MM-398 currently depend on our collaboration with PharmaEngine. If PharmaEngine does not provide clinical trial data to us, our business may be materially harmed.

 

We have a collaboration with PharmaEngine for the development of MM-398. Under this collaboration, PharmaEngine has rights to commercialize MM-398 in Taiwan, while we hold commercialization rights in all other countries, including the United States. PharmaEngine also has the opportunity to participate in the development of MM-398, for which we are reimbursing their costs. We cannot predict the success of the collaboration. The collaboration involves an allocation of rights, provides for milestone payments by us to PharmaEngine based on the achievement of specified milestones and provides for us to pay PharmaEngine royalties on sales of MM-398 in Europe and specified Asian countries if MM-398 is successfully commercialized in Europe and such specified Asian countries.

 

We rely on PharmaEngine to provide data and information to us from trials they have conducted and are currently conducting. This information is necessary for our development of MM-398 in the United States. If PharmaEngine does not provide this information to us, our development of MM-398 could be significantly delayed and our costs could increase significantly.

 

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We may depend on collaborations with third parties for the development and commercialization of our product candidates. If those collaborations are not successful, we may not be able to capitalize on the market potential of these product candidates.

 

Our business plan is to enter into distribution and other marketing arrangements for our oncology products in areas of the world outside of the United States and Europe. In addition, depending on our capital requirements, development and commercialization costs, need for additional therapeutic expertise and other factors, it is possible that we will enter into broader development and commercialization arrangements with respect to either oncology product candidates in addition to MM-121 or product candidates in other therapeutic areas in the United States or Europe or other territories. In particular, while we expect to apply our Network Biology approach to some other disease areas through arrangements similar to Silver Creek, it is also possible that we will seek to enter into licensing agreements or other types of collaborations for the application of our Network Biology approach.

 

Our likely collaborators for any distribution, marketing, licensing or broader collaboration arrangements include large and mid-size pharmaceutical companies, regional and national pharmaceutical companies and biotechnology companies. We are also a party to a right of review agreement with Sanofi pursuant to which, if we determine to enter into negotiations with a third party regarding any license, option, collaboration, joint venture or similar transaction involving any therapeutic or companion diagnostic product candidate in our pipeline, we will notify Sanofi of such opportunity. Following such notice, Sanofi will have a specified period of time to review the opportunity and determine whether to exercise an additional right to exclusively negotiate an agreement with us with respect to such opportunity for a specified period of time. In addition, in specified circumstances, if we subsequently propose to enter into any third party agreement, we must first offer the same terms and conditions to Sanofi. Our right of review agreement with Sanofi could discourage other companies from engaging with us in discussions or negotiations regarding collaboration agreements.

 

We will have limited control over the amount and timing of resources that our collaborators dedicate to the development or commercialization of our product candidates. Our ability to generate revenues from these arrangements will depend on our collaborators’ abilities to successfully perform the functions assigned to them in these arrangements.

 

Collaborations involving our product candidates, including our collaboration with Sanofi, pose the following risks to us:

 

·                  collaborators have significant discretion in determining the efforts and resources that they will apply to these collaborations;

 

·                  collaborators may not pursue development and commercialization of our product candidates or may elect not to continue or renew development or commercialization programs based on clinical trial results, changes in their strategic focus or available funding, or external factors such as an acquisition that diverts resources or creates competing priorities;

 

·                  collaborators may delay clinical trials, provide insufficient funding for a clinical trial program, stop a clinical trial or abandon a product candidate, repeat or conduct new clinical trials or require a new formulation of a product candidate for clinical testing;

 

·                  collaborators could independently develop, or develop with third parties, products that compete directly or indirectly with our products or product candidates if the collaborators believe that competitive products are more likely to be successfully developed or can be commercialized under terms that are more economically attractive;

 

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·                  a collaborator with marketing and distribution rights to one or more products may not commit sufficient resources to their marketing and distribution;

 

·                  collaborators may not properly maintain or defend our intellectual property rights or may use our proprietary information in such a way as to invite litigation that could jeopardize or invalidate our proprietary information or expose us to potential litigation;

 

·                  disputes may arise between us and the collaborators that result in the delay or termination of the research, development or commercialization of our product candidates or that result in costly litigation or arbitration that diverts management attention and resources; and

 

·                  collaborations may be terminated and, if terminated, may result in a need for additional capital to pursue further development or commercialization of the applicable product candidates.

 

Collaboration agreements may not lead to development or commercialization of product candidates in the most efficient manner or at all. In addition, there have been a significant number of recent business combinations among large pharmaceutical companies that have resulted in a reduced number of potential future collaborators. If a present or future collaborator of ours were to be involved in a business combination, the continued pursuit and emphasis on our product development or commercialization program could be delayed, diminished or terminated.

 

If we are not able to establish additional collaborations, we may have to alter our development plans.

 

Our product development programs and the potential commercialization of our product candidates will require substantial additional cash to fund expenses. For some of our product candidates, we may decide to collaborate with pharmaceutical and biotechnology companies for the development and potential commercialization of those product candidates.

 

We face significant competition in seeking appropriate collaborators. Collaborations are complex and time-consuming to negotiate and document. We may also be restricted under existing collaboration agreements from entering into agreements on certain terms with other potential collaborators. We may not be able to negotiate collaborations on acceptable terms, or at all. If that were to occur, we may have to curtail the development of a particular product candidate, reduce or delay its development program or one or more of our other development programs, delay its potential commercialization or reduce the scope of our sales or marketing activities, or increase our expenditures and undertake development or commercialization activities at our own expense. If we elect to increase our expenditures to fund development or commercialization activities on our own, we may need to obtain additional capital, which may not be available to us on acceptable terms or at all. If we do not have sufficient funds, we will not be able to bring our product candidates to market and generate product revenue.

 

We rely on third parties to conduct our clinical trials, and those third parties may not perform satisfactorily, including failing to meet deadlines for the completion of such trials.

 

We do not independently conduct clinical trials of our product candidates. We rely on third parties, such as contract research organizations, clinical data management organizations, medical institutions and clinical investigators, to perform this function. Our reliance on these third parties for clinical development activities reduces our control over these activities but does not relieve us of our responsibilities. We remain responsible for ensuring that each of our clinical trials is conducted in accordance with the general investigational plan and protocols for the trial. Moreover, the FDA requires us to comply with standards, commonly referred to as good clinical practices, for conducting, recording and reporting the results of clinical trials to assure that data and reported results are credible and accurate

 

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and that the rights, integrity and confidentiality of patients in clinical trials are protected. Furthermore, these third parties may also have relationships with other entities, some of which may be our competitors. If these third parties do not successfully carry out their contractual duties, meet expected deadlines or conduct our clinical trials in accordance with regulatory requirements or our stated protocols, we will not be able to obtain, or may be delayed in obtaining, regulatory approvals for our product candidates and will not be able to, or may be delayed in our efforts to, successfully commercialize our product candidates.

 

We also rely on other third parties to store and distribute supplies for our clinical trials. Any performance failure on the part of our existing or future distributors could delay clinical development or regulatory approval of our product candidates or commercialization of our products or cause us to incur additional costs, producing additional losses and depriving us of potential product revenue.

 

Risks Related to the Manufacturing of Our Product Candidates

 

We have limited experience in manufacturing our product candidates. We will need to upgrade and expand our manufacturing facility and augment our manufacturing personnel and processes in order to meet our business plans. If we fail to do so, we may not have sufficient drug product to meet our clinical development and commercial requirements.

 

We have a manufacturing facility located at our corporate headquarters in Cambridge, Massachusetts. We manufacture drug substance at this facility that we use for research and development purposes and for clinical trials of our product candidates. We do not have experience in manufacturing products at a commercial scale. Our current facility may not be sufficient to permit manufacturing of our product candidates for Phase 3 clinical trials or commercial sale. In order to meet our business plan, which contemplates our internally manufacturing drug substance for most of our clinical trials and, over the long-term, for a significant portion of our commercial requirements, we will need to upgrade and expand our manufacturing facilities, add manufacturing personnel and ensure that validated processes are consistently implemented in our facilities. The upgrade and expansion of our facilities will require additional regulatory approvals. In addition, it will be costly and time-consuming to expand our facilities and recruit necessary additional personnel. If we are unable to expand our manufacturing facilities in compliance with regulatory requirements or to hire additional necessary manufacturing personnel, we may encounter delays or additional costs in achieving our research, development and commercialization objectives, including in obtaining regulatory approvals of our product candidates, which could materially damage our business and financial position.

 

If our manufacturing facility is damaged or destroyed or production at this facility is otherwise interrupted, our business and prospects would be negatively affected.

 

If the manufacturing facility at our corporate headquarters or the equipment in it is damaged or destroyed, we may not be able to quickly or economically replace our manufacturing capacity or replace it at all. In the event of a temporary or protracted loss of this facility or equipment, we might not be able to transfer manufacturing to a third party. Even if we could transfer manufacturing to a third party, the shift would likely be expensive and time-consuming, particularly since the new facility would need to comply with the necessary regulatory requirements and we would need FDA approval before selling any products manufactured at that facility. Such an event could delay our clinical trials or, if our product candidates are approved by the FDA, reduce our product sales.

 

Currently, we maintain insurance coverage against damage to our property and equipment and to cover business interruption and research and development restoration expenses. If we have underestimated our insurance needs with respect to an interruption in our clinical manufacturing of our product candidates, we may not be able to cover our losses.

 

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Any other interruption of production at our manufacturing facility also could damage our business. For example, in 2009, we experienced a viral contamination at this facility that required that we shut the facility entirely for decontamination. Because of this contamination, the FDA placed a partial clinical hold on our investigational new drug application, or IND, for MM-121 until we submitted supporting documentation to the FDA regarding our decontamination procedures. Although we were able to resolve this issue, with the FDA lifting the partial clinical hold in April 2010, other companies have experienced similar contamination problems, and we could experience a similar problem in the future that is more difficult to resolve and could lead to a clinical hold.

 

We expect to continue to contract with third parties for at least some aspects of the production of our product candidates for clinical trials and for our products if they are approved for marketing. This increases the risk that we will not have sufficient quantities of our product candidates or products or such quantities at an acceptable cost, which could delay, prevent or impair our development or commercialization efforts.

 

We currently rely on third party manufacturers for some aspects of the production of our product candidates for preclinical testing and clinical trials, including fill-finish and labeling activities. In addition, while we believe that our existing manufacturing facility, or additional facilities that we will be able to build, will be sufficient to meet our requirements for manufacturing a significant portion of drug substance for our research and development activities, we may need to rely on third party manufacturers for some of these requirements, particularly later stage clinical trials of our antibody product candidates, and, at least in the near term, for commercial supply of any product candidates for which we obtain marketing approval.

 

We do not have any agreements with third party manufacturers for the clinical or commercial supply of any of our product candidates, and we may be unable to conclude such agreements or to do so on acceptable terms. Reliance on third party manufacturers entails additional risks, including:

 

·                  reliance on the third party for regulatory compliance and quality assurance;

 

·                  the possible breach of the manufacturing agreement by the third party; and

 

·                  the possible termination or nonrenewal of the agreement by the third party at a time that is costly or inconvenient for us.

 

Third party manufacturers may not be able to comply with current good manufacturing practices, or cGMP, or Quality System Regulation, or QSR, or similar regulatory requirements outside the United States. Our failure, or the failure of our third party manufacturers, to comply with applicable regulations could result in sanctions being imposed on us, including fines, injunctions, civil penalties, delays, suspension or withdrawal of approvals, license revocation, seizures or recalls of products, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of our products.

 

Any products that we may develop may compete with other product candidates and products for access to manufacturing facilities. Because there are a limited number of manufacturers that operate under cGMP or QSR regulations and that might be capable of manufacturing for us, we may not have access to such manufacturers.

 

We currently rely on single suppliers for the resins, media and filters that we use for our manufacturing process. We purchase these materials from our suppliers on a purchase order basis and do not have long-term supply agreements in place. Any performance failure or refusal to supply on the part of our existing or future suppliers could delay clinical development, marketing approval or

 

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commercialization of our products. If our current suppliers cannot perform as agreed, we may be required to replace one or more of these suppliers. Although we believe that there may be a number of potential long-term replacements to each supplier, we may incur added costs and delays in identifying and qualifying any such replacements.

 

We likely will rely upon third party manufacturers to provide us with necessary reagents and instruments to develop, test and manufacture our in vitro companion diagnostics. Currently, many reagents are marketed as Research Use Only, or RUO, products under FDA regulations. In June 2011, the FDA issued a draft guidance that outlined the FDA’s intention to impose additional restrictions on the provision of RUO products. If this guidance is finalized as drafted, we may experience difficulty securing the reagents that we need.

 

Our potential future dependence upon others for the manufacture of our product candidates may adversely affect our future profit margins and our ability to commercialize any products that receive regulatory approval on a timely and competitive basis.

 

We rely on third parties to perform various tasks related to the manufacturing of our product candidates. Compliance by such third parties with regulations of the FDA or other regulatory bodies cannot be assured, which could adversely impact our clinical trials.

 

A former fill-finish third party contractor that we used to fill and package both MM-121 and MM-111 experienced FDA inspection issues with its quality control processes that resulted in a formal warning letter from the FDA. Following a review by Sanofi and us, some MM-121 was pulled from clinical trial sites and replaced with MM-121 that was filled by a different contractor. This restocking resulted in a few patients missing one or two doses of MM-121.

 

The MM-111 that was being used in our clinical trials was also filled and packaged by this same contractor. The FDA inquired about the effect of this contractor’s quality issues on MM-111 clinical trial materials. Following our response to the FDA’s inquiry, the FDA requested in January 2012 that we obtain new consents from any patients enrolled in our ongoing Phase 1 clinical trials of MM-111 in connection with continued use in these trials of MM-111 material filled and packaged by this contractor. In addition, the FDA placed a partial clinical hold on these ongoing clinical trials, which restricted our ability to enroll new patients in these trials, until MM-111 material filled and packaged by a new third party contractor that we engaged was available. This restocking is complete and resulted in a short delay in the dosing of a few patients without any patients missing a dose.

 

Although we have addressed the concerns of the FDA with respect to the clinical trial material filled and packaged by our former third party contractor, it is possible that we could experience similar issues with other contractors.

 

Risks Related to Our Intellectual Property

 

If we fail to fulfill our obligations under our intellectual property licenses with third parties, we could lose license rights that are important to our business.

 

We are a party to a number of intellectual property license agreements with third parties, including with respect to MM-121, MM-111, MM-302, MM-151 and MM-141, and expect to enter into additional license agreements in the future. Our existing license agreements impose, and we expect that our future license agreements will impose, various diligence, milestone payment, royalty, insurance and other obligations on us. If we fail to comply with these obligations, our licensors may have the right to terminate these agreements, in which event we might not be able to develop and market any product that is covered by these agreements. Termination of these licenses or reduction or elimination of our licensed

 

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rights may result in our having to negotiate new or reinstated licenses with less favorable terms. The occurrence of such events could materially harm our business.

 

If we are unable to obtain and maintain patent protection for our technology and products, or if our licensors are unable to obtain and maintain patent protection for the technology or products that we license from them, our competitors could develop and commercialize technology and products similar or identical to ours, and our ability to successfully commercialize our technology and products may be adversely affected.

 

Our success depends in large part on our and our licensors’ ability to obtain and maintain patent protection in the United States and other countries with respect to our proprietary technology and products. In some circumstances, we may not have the right to control the preparation, filing and prosecution of patent applications, or to maintain the patents, covering technology or products that we license from third parties. Therefore, we cannot be certain that these patents and applications will be prosecuted and enforced in a manner consistent with the best interests of our business. In addition, if third parties who license patents to us fail to maintain such patents, or lose rights to those patents, the rights we have licensed may be reduced or eliminated.

 

We have sought to protect our proprietary position by filing patent applications in the United States and abroad related to our novel technologies and products that are important to our business. This process is expensive and time-consuming, and we may not be able to file and prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner. It is also possible that we will fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection. Under our license and collaboration agreement with Sanofi, we are obligated, at our expense, to use commercially reasonable efforts to file and prosecute patent applications, and maintain patents, covering MM-121 in specified jurisdictions, and these patent rights are licensed to Sanofi.

 

The patent position of biotechnology and pharmaceutical companies generally is highly uncertain, involves complex legal and factual questions and has in recent years been the subject of much litigation. As a result, the issuance, scope, validity, enforceability and commercial value of our and our licensors’ patent rights are highly uncertain. Our and our licensors’ pending and future patent applications may not result in patents being issued which protect our technology or products or which effectively prevent others from commercializing competitive technologies and products. Changes in either the patent laws or interpretation of the patent laws in the United States and other countries may diminish the value of our patents or narrow the scope of our patent protection. The laws of foreign countries may not protect our rights to the same extent as the laws of the United States. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the United States and other jurisdictions are typically not published until 18 months after filing, or in some cases not at all. Therefore, we cannot be certain that we or our licensors were the first to make the inventions claimed in our owned and licensed patents or pending patent applications, or that we or our licensors were the first to file for patent protection of such inventions. Assuming the other requirements for patentability are met, the first to file a patent application is entitled to the patent. Under the America Invents Act enacted in 2011, the United States moved to this first to file system in early 2013 from the previous system under which the first to make the claimed invention was entitled to the patent. We may become involved in opposition, interference or derivation proceedings challenging our patent rights or the patent rights of others. An adverse determination in any such proceeding could reduce the scope of, or invalidate, our patent rights, allow third parties to commercialize our technology or products and compete directly with us, without payment to us, or result in our inability to manufacture or commercialize products without infringing third party patent rights.

 

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Even if our owned and licensed patent applications issue as patents, they may not issue in a form that will provide us with any meaningful protection, prevent competitors from competing with us or otherwise provide us with any competitive advantage. Our competitors may be able to circumvent our owned or licensed patents by developing similar or alternative technologies or products in a non-infringing manner. The issuance of a patent is not conclusive as to its scope, validity or enforceability, and our owned and licensed patents may be challenged in the courts or patent offices in the United States and abroad. Such challenges may result in patent claims being narrowed, invalidated or held unenforceable, which could limit our ability to stop or prevent us from stopping others from using or commercializing similar or identical technology and products, or limit the duration of the patent protection of our technology and products. Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. As a result, our owned and licensed patent portfolio may not provide us with sufficient rights to exclude others from commercializing products similar or identical to ours.

 

We may become involved in lawsuits to protect or enforce our patents, which could be expensive, time-consuming and unsuccessful.

 

Competitors may infringe our patents. To counter infringement or unauthorized use, we may be required to initiate infringement lawsuits, which can be expensive and time-consuming. In addition, in an infringement proceeding, a court may decide that a patent of ours is invalid or unenforceable, or may refuse to stop the other party from using the technology at issue on the grounds that our patents do not cover the technology in question. An adverse result in any litigation proceeding could put one or more of our patents at risk of being invalidated or interpreted narrowly. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of litigation.

 

Third parties may initiate legal proceedings alleging that we are infringing their intellectual property rights, the outcome of which would be uncertain and could have a material adverse effect on the success of our business.

 

Our commercial success depends upon our ability and the ability of our collaborators to develop, manufacture, market and sell our product candidates and use our proprietary technologies without infringing the enforceable proprietary rights of third parties. We may become party to, or threatened with, future adversarial proceedings or litigation regarding intellectual property rights with respect to our products and technology, including interference or derivation proceedings before the U.S. Patent and Trademark Office. Third parties may assert infringement claims against us based on existing patents or patents that may be granted in the future. If we are found to infringe a third party’s intellectual property rights, we could be required to obtain a license from such third party to continue developing and marketing our products and technology. However, we may not be able to obtain any required license on commercially reasonable terms or at all. Even if we were able to obtain a license, it could be non-exclusive, thereby giving our competitors access to the same technologies licensed to us. We could be forced, including by court order, to cease commercializing the infringing technology or product. In addition, we could be found liable for monetary damages. A finding of infringement could prevent us from commercializing our product candidates or force us to cease some of our business operations, which could materially harm our business. Claims that we have misappropriated the confidential information or trade secrets of third parties can have a similar negative impact on our business.

 

For example, we are aware of issued U.S. patents held by Genentech broadly covering methods of producing certain types of recombinant antibodies and related compositions for antibody production that may be relevant to our development and commercialization of MM-121, MM-151 and MM-141. These

 

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patents expire in 2018. Genentech has asserted infringement claims against several pharmaceutical and biotechnology companies based on these patents. If these patents were determined to be valid and cover our product candidates, we would need to obtain a license to the patented technology, which may cause us to incur licensing related costs. However, a license to these patents may not be available on commercially reasonable terms, or at all. Our failure to obtain a license to these patents could delay or prevent our development and commercialization of our product candidates in the United States.

 

We may be subject to claims that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

 

Many of our employees were previously employed at universities or other biotechnology or pharmaceutical companies, including our competitors or potential competitors. Although we try to ensure that our employees do not use the proprietary information or know-how of others in their work for us, we may be subject to claims that we or these employees have used or disclosed intellectual property, including trade secrets or other proprietary information, of any such employee’s former employer. Litigation may be necessary to defend against these claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights or personnel. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to management.

 

We are currently engaged in two ongoing opposition proceedings to European patents in the European Patent Office. If we are not successful in these proceedings, we may not be able to commercialize some of our product candidates without infringing patents held by third parties.

 

We are currently engaged in two ongoing opposition proceedings to European patents in the European Patent Office to narrow or invalidate the claims of patents owned by third parties. For more information, see Part II, Item 1. Legal Proceedings in this Quarterly Report on Form 10-Q. We have obtained favorable interim decisions in both oppositions, although both decisions are now under appeal. The ultimate outcome of these oppositions remains uncertain. If we are not ultimately successful in these proceedings, and the issued claims of the patents we are opposing were determined to be valid and construed to cover MM-121, MM-111 or MM-141, we may not be able to commercialize MM-121, MM-111 or MM-141 in some or all European countries without infringing such patents. If we infringe a valid claim of these patents, we would need to obtain a license to the patented technology, which may cause us to incur licensing-related costs. For example, under our license and collaboration agreement with Sanofi, we are obligated to pay all licensing costs for specified third party patent rights that we or Sanofi may in the future license for the development and commercialization of MM-121, including the patent rights that are the subject of one of these opposition proceedings. However, a license to the patents that are the subject of these opposition proceedings may not be available on commercially reasonable terms or at all. As a result, we could be liable for monetary damages or we may be forced to delay, suspend, forego or cease commercializing these product candidates in some or all countries in Europe if we were found to infringe a valid claim of these patents. In addition, even if we are ultimately successful in these European opposition proceedings, such results would be limited to our activities in Europe.

 

We are also aware of issued or pending counterparts to one of these European patents in the United States that may be relevant to our development and commercialization of MM-121. If these patents were determined to be valid and construed to cover MM-121, our development and commercialization of MM-121 in the United States could be delayed or prevented.

 

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Intellectual property litigation could cause us to spend substantial resources and distract our personnel from their normal responsibilities.

 

Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause us to incur significant expenses, and could distract our technical and management personnel from their normal responsibilities. In addition, there could be public announcements of the results of hearings, motions or other interim proceedings or developments and if securities analysts or investors perceive these results to be negative, it could have a substantial adverse effect on the price of our common stock. Such litigation or proceedings could substantially increase our operating losses and reduce our resources available for development activities. We may not have sufficient financial or other resources to adequately conduct such litigation or proceedings. Some of our competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can because of their substantially greater financial resources. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings could have a material adverse effect on our ability to compete in the marketplace.

 

If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed.

 

In addition to our patented technology and products, we rely on trade secrets, including unpatented know-how, technology and other proprietary information, to maintain our competitive position. We seek to protect these trade secrets, in part, by entering into non-disclosure and confidentiality agreements with parties that have access to them, such as our employees, corporate collaborators, outside scientific collaborators, sponsored researchers, contract manufacturers, consultants, advisors and other third parties. We also enter into confidentiality and invention or patent assignment agreements with our employees and consultants. In addition, any of these parties may breach the agreements and disclose our proprietary information, and we may not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming, and the outcome is unpredictable. In addition, some courts inside and outside the United States are less willing or unwilling to protect trade secrets. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor, we would have no right to prevent them from using that technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed by a competitor, our competitive position would be harmed.

 

Risks Related to Regulatory Approval of Our Product Candidates

 

If we are not able to obtain required regulatory approvals, we will not be able to commercialize our product candidates, and our ability to generate revenue will be materially impaired.

 

Our product candidates, including our six most advanced product candidates, and the activities associated with their development and commercialization, including their design, testing, manufacture, safety, efficacy, recordkeeping, labeling, storage, approval, advertising, promotion, sale and distribution, import, export, sampling and marketing are subject to comprehensive regulation by the FDA and other regulatory agencies in the United States and by comparable authorities in other countries. Failure to obtain regulatory approval for a product candidate will prevent us from commercializing the product candidate. We have not received regulatory approval to market any of our product candidates in any jurisdiction. We have only limited experience in filing and supporting the applications necessary to gain regulatory approvals and expect to rely on third party contract research organizations to assist us in this process. Securing regulatory approval requires the submission of extensive preclinical and clinical data and supporting information to the FDA and other regulatory agencies for each therapeutic indication to establish the product candidate’s safety and efficacy. Securing regulatory approval also requires the submission of information about the product manufacturing process to, and inspection of manufacturing facilities by, the FDA or other regulatory agencies. Our product candidates may not be effective, may be

 

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only moderately effective or may prove to have undesirable or unintended side effects, toxicities or other characteristics that may preclude our obtaining regulatory approval or prevent or limit commercial use.

 

The process of obtaining regulatory approvals is expensive, may take many years if additional clinical trials are required, if approval is obtained at all, and can vary substantially based upon a variety of factors, including the type, complexity and novelty of the product candidates involved. Changes in regulatory approval policies during the development period, changes in or the enactment of additional statutes or regulations, changes in regulatory review for each submitted product application or approval of other products for the same indication may cause delays in the approval or rejection of an application. Regulatory agencies have substantial discretion in the approval process and may refuse to accept any application or may decide that our data is insufficient for approval and require additional preclinical, clinical or other studies. In addition, varying interpretations of the data obtained from preclinical and clinical testing could delay, limit or prevent regulatory approval of a product candidate. Any regulatory approval we ultimately obtain may be limited or subject to restrictions or post-approval commitments that render the approved product not commercially viable.

 

If we pursue development of a companion diagnostic to identify patients who are likely to benefit from a therapeutic product, failure to obtain approval for the