Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Johnson Ashley F.
 2. Date of Event Requiring Statement (Month/Day/Year)
03/08/2013		 3. Issuer Name and Ticker or Trading Symbol
SERVICESOURCE INTERNATIONAL, INC. [SREV]
(Last)
(First)
(Middle)
C/O SERVICESOURCE INTERNATIONAL, INC., 634 SECOND STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN FRANCISCO, CA 94107		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 119,272 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)   (2) 12/16/2020 Common Stock 94,881 $ 5.8 D  
Employee Stock Option (right to buy)   (3) 02/09/2021 Common Stock 20,000 $ 6.2 D  
Employee Stock Option (right to buy)   (4) 12/21/2022 Common Stock 20,000 $ 5.82 D  
Employee Stock Option (right to buy)   (5) 02/07/2022 Common Stock 4,424 $ 6.03 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Johnson Ashley F.
C/O SERVICESOURCE INTERNATIONAL, INC.
634 SECOND STREET
SAN FRANCISCO, CA 94107		       Chief Financial Officer  

Signatures

/s/ Paul D. Warenski, by power of attorney 03/28/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Includes 115,000 shares represented by restricted stock units ("RSUs") pursuant to which 5,000 shares vest in three equal annual installments beginning on February 7, 2014 and 25,000 shares vest in four equal annual installments beginning on December 21, 2013.
(2) An option to purchase 120,000 shares was granted on December 16, 2010 and was exercised in part prior to the date on which the Reporting Person became subject to Section 16. One-fourth of the shares vested on September 29, 2011 and 1/48th of the shares vest monthly thereafter.
(3) One-fourth of the shares vested on January 1, 2012 and 1/48th of the shares vest monthly thereafter.
(4) One-fourth of the shares vested on December 21, 2013 and 1/48th of the shares vest monthly thereafter.
(5) One-fourth of the shares vested on February 7, 2013 and 1/48th of the shares vest monthly thereafter.
 
Remarks:
Exhibit 24 - Power of Attorney

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