UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Old Second Bancorp, Inc.
(Name of Issuer)

Common Stock, par value $1.00 per share
(Title of Class of Securities)

680277100
(CUSIP Number)

September 24, 2010
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
      [X] Rule 13d-1(b)
      [X] Rule 13d-1(c)
      [  ] Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).





CUSIP No. 680277100       	Schedule 13 G			Page 2 of 10

1 NAMES OF REPORTING PERSONS

Columbia Pacific Opportunity Fund, L.P. (1)
IRS Identification No. of Above Person (entities only)
20-8451143

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
Washington

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.




CUSIP No. 680277100       	Schedule 13 G			Page 3 of 10

1 NAMES OF REPORTING PERSONS
Columbia Pacific Advisors, LLC (1)
IRS Identification No. of Above Person (entities only)
20-8051301

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
Washington

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.





CUSIP No. 680277100       	Schedule 13 G			Page 4 of 10

1 NAMES OF REPORTING PERSONS
Alexander B. Washburn (1)

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.





CUSIP No. 680277100       	Schedule 13 G			Page 5 of 10

1 NAMES OF REPORTING PERSONS
Daniel R. Baty (1)

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.





CUSIP No. 680277100       	Schedule 13 G			Page 6 of 10

1 NAMES OF REPORTING PERSONS
Stanley L. Baty (1)

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.





CUSIP No. 680277100       	Schedule 13 G			Page 7 of 10

1 NAMES OF REPORTING PERSONS
Brandon D. Baty (1)

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]

3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5 SOLE VOTING POWER
0

6 SHARED VOTING POWER
0

7 SOLE DISPOSITIVE POWER
0

8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
[ ]

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN


(1)  The filing of this joint Schedule 13G shall not be construed as an
admission that any of the Reporting Persons are, for purposes of Section
13(d) or 13(g) of the Act, the beneficial owner of any securities
covered by the statement.





CUSIP No. 680277100       	Schedule 13 G			Page 8 of 10


Item 1.

(a) Name of Issuer:

Old Second Bancorp, Inc. (the "Company")

(b) Address of Issuer's Principal Executive Offices:

37 South River Street, Aurora, IL, 60507


Item 2.

(a) Name of Person Filing:

This Schedule 13G is being filed by Columbia Pacific Opportunity Fund, L.P., a
Washington limited partnership (the "Fund"), Columbia Pacific Advisors LLC, a
Washington limited liability company (the "Adviser"), Alexander B. Washburn,
Daniel R. Baty, Stanley L. Baty and Brandon D. Baty (each a "Reporting Person"
and collectively the "Reporting Persons").


(b) Address of Principal Business Office or, if none, Residence: Same

The business address of the Reporting Persons is:
1910 Fairview Avenue East Suite 500, Seattle, WA 98102-3698.

(c) Citizenship:

The Fund is a Washington limited partnership; the Adviser is a Washington
limited liability company; Alexander B. Washburn, Daniel R. Baty,
Stanley L. Baty and Brandon D. Baty are U.S. citizens.

(d) Title of Class of Securities:

Shares of Common Stock, par value $1.00 per share (the "Common Stock")

(e) CUSIP Number:

680277100


Item 3.

If this statement is filed pursuant to Sections 240.13d-1(b) or 240.13d-2(b)
or (c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of the Act
	(15 U.S.C. 78c).
(d) [ ] Investment company registered under section 8 of the Investment
	Company Act of 1940 (15 U.S.C. 80a-8).

(e) [X] An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E);
 	(for Columbia Pacific Advisors, LLC only)
(f) [ ] An employee benefit plan or endowment fund in accordance with
	Section 240.13d-1(b)(1)(ii)(F);
(g) [X] A parent holding company or control person in accordance with
	Section 240.13d-1(b)(1)(ii)(G) (for Alexander B. Washburn,
	Daniel R. Baty, Stanley L. Baty and Brandon D. Baty only).

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit
	Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition of an investment
	company under section 3(c)(14) of the Investment Company Act of 1940
	(15 U.S.C. 80a-3);
(j) [ ] A non-U.S. institution in accordance with
	Section 240.13d-1(b)(1)(ii)(J).
(k) [ ] Group, in accordance with Section 240.13d-1(b) (1)(ii)(K).  If filing as
	a non-U.S. institution in accordance with Sectio 240.13d-1(b) (1)(ii)(J),
	please specify the type of institution





CUSIP No. 680277100       	Schedule 13 G			Page 9 of 10


Item 4.        Ownership.

	As of the date hereof, the Reporting Persons may be deemed to beneficially own
an aggregate of 0 shares of Common Stock, which constitutes 0.0% of the total
number of shares of Common Stock outstanding as of August 6, 2010, as reported
in the Company's Form 10-Q for the period ended June 30, 2010.

	The Adviser has the sole power to vote or direct the vote of, and to dispose or
direct the disposition of, the 0 shares of Common Stock to which this filing
relates.  See also Items 5 through 8 of the cover pages to this Schedule 13G
with respect to this Item 4.  Mr. Washburn, Mr. D. Baty, Mr. S. Baty and
Mr. B. Baty serve as the managing members of the Adviser, which is primarily
responsible for all investment decisions regarding the Fund's investment
portfolio.  The shares of Common Stock reported herein are held in the portfolio
of the Fund.  Each of the Reporting Persons disclaims beneficial ownership over
the securities reported herein except to the extent of such Reporting Persons'
pecuniary interest therein.

	Neither the present filing nor anything contained herein shall be construed
as an admission that the Reporting Persons constitute a "group" for any
purpose and the Reporting Persons expressly disclaim membership in a group.


Item 5.        Ownership of Five Percent or Less of a Class

	If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities, check the following [X].

     Instruction: Dissolution of a group requires a response to this item.


Item 6.		Ownership of More than Five Percent on Behalf of Another Person.

	Each person for whom the Adviser acts as investment adviser has the right
to receive or the power to direct the receipt of dividends from, or the
proceeds from the sale of, the shares of Common Stock purchased or held
pursuant to  such arrangements.


Item 7.  Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company

     Not applicable


Item 8.  Identification and Classification of Members of the Group

     Not applicable


Item 9.  Notice of Dissolution of Group

     Not applicable


Item 10.  Certification

     By signing below the undersigned certify that, to the best of their
knowledge and belief, the securities referred to above were acquired and
are held in the ordinary course of business and were not acquired and are
not held for the purpose of or with the effect of changing or influencing
the control of the issuer of the securities and were not acquired and are
not held in connection with, or as a participant in, any transaction
having that purpose or effect.





CUSIP No. 680277100       	Schedule 13 G			Page 10 of 11


SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true,
complete and correct.



October 12, 2010
(Date)


	Columbia Pacific Opportunity Fund, L.P.


	/s/ Alexander B. Washburn
By:     Alexander B. Washburn
Title:  Managing Member of Columbia Pacific Advisors,
	LLC, its general partner



	Columbia Pacific Advisors, LLC


	/s/ Alexander B. Washburn
By:  	Alexander B. Washburn
Title:  Managing Member



	/s/ Alexander B. Washburn
	Alexander B. Washburn



	/s/ Daniel R. Baty
	Daniel R. Baty



	/s/ Stanley L. Baty
	Stanley L. Baty



	/s/ Brandon D. Baty
	Brandon D. Baty