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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1. Name and Address of Reporting Person * Reynolds Barry D.   2. Issuer Name and Ticker or Trading Symbol SERVICESOURCE INTERNATIONAL, INC. [SREV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O HOUSATONIC PARTNERS, 44 MONTGOMERY STREET, SUITE 4010 3. Date of Earliest Transaction (Month/Day/Year) 09/05/2012 (Street) SAN FRANCISCO, CA 94104 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Common Stock               3,874,303 I By Housatonic Micro Fund SBIC, LP (1) Common Stock 09/05/2012   P   89,264 A $ 9.58 (2) 2,196,402 I By Housatonic Equity Investors IV, LP (3) Common Stock 09/05/2012   P   4,115 A $ 9.58 (2) 101,254 I By Housatonic Equity Affiliates IV, LP (4) Common Stock 09/06/2012   P   124,688 A $ 9.74 (5) 2,321,090 I By Housatonic Equity Investors IV, LP (3) Common Stock 09/06/2012   P   5,748 A $ 9.74 (5) 107,002 I By Housatonic Equity Affiliates IV, LP (4) Common Stock 09/07/2012   P   131,919 A $ 9.68 (6) 2,453,009 I By Housatonic Equity Investors IV, LP (3) Common Stock 09/07/2012   P   6,081 A $ 9.68 (6) 113,083 I By Housatonic Equity Affiliates IV, LP (4)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Reynolds Barry D. C/O HOUSATONIC PARTNERS 44 MONTGOMERY STREET, SUITE 4010 SAN FRANCISCO, CA 94104	X

Signatures

/s/ Barry D. Reynolds		09/07/2012
**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).
(1)	The securities are owned by Housatonic Micro Fund SBIC, L.P. ("HMF SBIC"). The Reporting Person is a Manager of Housatonic Micro Partners SBIC, L.L.C. which serves as the general partner of HMF SBIC. As such, the Reporting Person may be deemed to have indirect beneficial ownership of the shares held by HMF SBIC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.
(2)	Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $9.44 to $9.72 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.
(3)	The securities are owned by Housatonic Equity Investors IV, L.P. ("HEI IV"). The Reporting Persons is a Manager of Housatonic Equity Partners IV, L.L.C. ("HEP IV") which serves as the general partner of HEI IV. As such, the Reporting Person may be deemed to have indirect beneficial ownership of the shares held by HEI IV. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.
(4)	The securities are owned by Housatonic Equity Affiliates IV, L.P. ("HEA IV"). The Reporting Persons is a Manager of HEP IV which serves as the general partner of HEA IV. As such, the Reporting Person may be deemed to have indirect beneficial ownership of the shares held by HEA IV. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.
(5)	Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $9.47 to $9.86 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.
(6)	Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $9.58 to $9.80 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

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