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 * DUNLEVIE BRUCE   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 BENCHMARK CAPITAL PARTNERS, 2965 WOODSIDE ROAD 3. Date of Earliest Transaction (Month/Day/Year) 08/13/2018 (Street) WOODSIDE, CA 94062 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 08/13/2018   P   6,956 A $ 3.15 (1) 242,575 I See footnote (2) Common Stock 08/14/2018   P   46,615 A $ 3.07 (3) 289,190 I See footnote (2) Common Stock 08/15/2018   P   30,335 A $ 2.98 (4) 319,525 I See footnote (2) Common Stock               141,182 D   Common Stock               68,627 I See footnote (5) Common Stock               4,476,535 I See footnote (6) Common Stock               545,811 I See footnote (7) Common Stock               104,503 I See footnote (8) Common Stock               82,232 I See footnote (9) Common Stock               5,850,740 I See footnote (10)

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
DUNLEVIE BRUCE C/O BENCHMARK CAPITAL PARTNERS 2965 WOODSIDE ROAD WOODSIDE, CA 94062	X

Signatures

/s/ Patricia A. Elias, by power of attorney		08/15/2018
**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 shares were purchased in multiple trades during the day at prices ranging from $3.13 to $3.18, inclusive. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.
(2)	Shares are owned directly by Bruce W. Dunlevie's family trust.
(3)	The shares were purchased in multiple trades during the day at prices ranging from $2.98 to $3.15, inclusive. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.
(4)	The shares were purchased in multiple trades during the day at prices ranging from $2.91 to $3.01, inclusive. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.
(5)	Shares are owned directly by a limited liability company controlled by Bruce W. Dunlevie.
(6)	Shares are owned directly by Benchmark Capital Partners V, L.P. ("BCP V").
(7)	Shares are owned directly by Benchmark Founders' Fund V, L.P. ("BFF V").
(8)	Shares are owned directly by Benchmark Founders' Fund V-A L.P. ("BFF V-A").
(9)	Shares are owned directly by Benchmark Founders' Fund V-B, L.P. ("BFF V-B").
(10)	Benchmark Capital Management Co. V, L.L.C. ("BCMC V"), the general partner of each of BCP V, BFF V, BFF V-A and BFF V-B, may be deemed to have sole voting and dispositive power over these shares. BCMC V and each of its managing members disclaim beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that BCMC V and it managing members are the beneficial owner of these shares for purposes of Section 16 or any other purpose.

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