FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Nisswa Acquisition Master Fund Ltd.   2. Issuer Name and Ticker or Trading Symbol Seanergy Maritime Holdings Corp. [SHIP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) no longer 10% owners (Last) (First) (Middle) C/O MAPLES CORPORATE SVCS LIMITED, PO BOX 309, UGLAND HOUSE 3. Date of Earliest Transaction (Month/Day/Year) 12/02/2009 (Street) GRAND CAYMAN, E9 KY1-1104 4. If Amendment, Date Original Filed(Month/Day/Year) 09/12/2008 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Warrants

$ 6.5

09/24/2008

09/28/2011

Common Stock

0

3,260,012

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Nisswa Acquisition Master Fund Ltd. C/O MAPLES CORPORATE SVCS LIMITED PO BOX 309, UGLAND HOUSE GRAND CAYMAN, E9 KY1-1104				no longer 10% owners

Signatures

Nisswa Acquisition Master Fund Ltd., By: Pine River Capital Management L.P., its Investment Manager, By: Pine River Capital Management LLC, its General Partner, By: Brian Taylor		12/21/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Remarks: According to the Form 6-K filed by the Issuer on December 3, 2009, it had issued 4,308,075 shares of its common stock pursuant to the earn-out provision contained in the acquisition agreement associated with the Issuer's 2008 business combination. As of that date, the Reporting Person no longer had reporting obligations under Section 16. The Reporting Person met all of its filing oblgiations under Section 16 and the "Date of Earliest Transaction" referenced hereinabove is the date of the Form 6-K referred to in this response. This Form 4 is being filed, not due to a statutory requirement, but rather as notice that the Reporting Person is no longer subject to Section 16 with respect to the Issuer, since it is not currently a 10% owner.

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