Sec Form 4 Filing - Columbia Pacific Advisors, LLC @ Marlborough Software Development Holdings Inc. - 2013-08-20

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 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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1. Name and Address of Reporting Person Columbia Pacific Advisors, LLC 2. Issuer Name and Ticker or Trading Symbol Marlborough Software Development Holdings Inc. [ MBGH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1910 FAIRVIEW AVE E, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 08/20/2013 (Street) SEATTLE, WA98102-3620 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Common Stock 08/20/2013 S 201,000 ( 2 ) D $ 0.0701 2,075,719 ( 3 ) I GP / Investmt Manager ( 1 ) Common Stock 08/21/2013 S 219,970 ( 4 ) D $ 0.0723 1,855,749 ( 5 ) I GP / Investmt Manager ( 1 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Columbia Pacific Advisors, LLC 1910 FAIRVIEW AVE E SUITE 200 SEATTLE, WA98102-3620 X Columbia Pacific Opportunity Fund, L.P. 1910 FAIRVIEW AVENUE EAST STE 200 Seattle, WA98102-3620 X Signatures Columbia Pacific Advisors, LLC - Alexander B. Washburn 08/29/2013 Signature of Reporting Person Date Columbia Pacific Opportunity Fund, L.P. - Alexander B. Washburn 08/29/2013 Signature of Reporting Person Date Columbia Pacific Partners Fund, Ltd. - Alexander B. Washburn 08/29/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Columbia Pacific Advisors, LLC ("Advisors") serves as the general partner of Columbia Pacific Opportunity Fund, L.P. ("CPOF") and the investment manager of Columbia Pacific Partners Fund, Ltd. ("CPPF"). ( 2 )CPOF sold 190,371 shares and CPPF sold 10,629 shares. ( 3 )CPOF directly owned 1,965,960 shares and CPPF directly owned 109,759 shares. ( 4 )CPOF sold 208,338 shares and CPPF sold 11,632 shares. ( 5 )CPOF directly owns 1,757,622 shares and CPPF directly owns 98,127 shares.

Remarks: This Form 4 is being filed by Advisors, CPOF and CPPF, (each a "Reporting Person" and collectively the "Reporting Persons"). The business address of the Reporting Persons is 1910 Fairview Avenue East, Suite 200, Seattle, WA 98102.Prior to this filing, CPOF and CPPF directly held 2,156,331 and 120,388 shares of common stock, respectively, in the Issuer ("Shares"). Advisors is the general partner of CPOF, and in such capacity holds a limited partnership interest in CPOF.Each of the Reporting Persons may be deemed to be a member of a group exercising voting and investment control over the Shares; however, each Reporting Person disclaims membership in any such group and disclaims beneficial ownership of the Shares except to the extent of its or his pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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