Ownership Submission
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 *
MCMORRIS MARC F
  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 GENERAL ATLANTIC SERVICE COMPANY,LLC, 3 PICKWICK PLAZA
3. Date of Earliest Transaction (Month/Day/Year)
03/30/2011
(Street)

GREENWICH, CT 06830
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 03/30/2011   S   2,000,000 D $ 9.3 13,553,573 I See footnotes (1) (2) (3) (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
MCMORRIS MARC F
C/O GENERAL ATLANTIC SERVICE COMPANY,LLC
3 PICKWICK PLAZA
GREENWICH, CT 06830
  X      

Signatures

 /s/ Marc McMorris   03/30/2011
**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) On March 30, 2011, the issuer completed the initial public offering of its common stock, par value $0.0001 per share (the "Shares"). GA SS Holding II LLC ("GA II"), the direct record holder of all of the Shares reported herein, sold 2,000,000 Shares in the offering. After such sale, GA II was the direct beneficial owner of the entire 13,553,573 Shares reported herein.
(2) The Shares held by GA II are indirectly beneficially owned by the following: (i) General Atlantic Partners 83, L.P. ("GAP 83"), a member of GA II, and the indirect beneficial owner of 12,294,892 Shares; (ii) GAP Coinvestments CDA, L.P. ("CDA"), a member of GA II, and the indirect beneficial owner of 16,942 Shares; (iii) GapStar, LLC ("GapStar"), a member of GA II, and the indirect beneficial owner of 203,304 Shares; (iv) GAP Coinvestments III, LLC ("GAPCO III"), a member of GA II, and the indirect beneficial owner of 811,155 Shares; (v) GAP Coinvestments IV, LLC ("GAPCO IV"), a member of GA II, and the indirect beneficial owner of 189,872 Shares; and (vi) GAPCO GmbH & Co. KG, a member of GA II, and the indirect beneficial owner of 37,408 Shares.
(3) General Atlantic LLC ("General Atlantic") is the general partner of General Atlantic GenPar, L.P. ("GA GenPar") and CDA. GA GenPar is the general partner of GAP 83. The officers of GapStar and managing members of GAPCO III and GAPCO IV are managing directors of General Atlantic. GAPCO Management GmbH ("GmbH Management") is the general partner of KG. Certain managing directors of General Atlantic make investment decisions for GmbH Management.
(4) Mr. McMorris is a director of the issuer and a managing director of General Atlantic. Mr. McMorris disclaims beneficial ownership of the Shares reported herein except to the extent of his pecuniary interest therein.

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