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 * Solomon Glenn   2. Issuer Name and Ticker or Trading Symbol QUINSTREET, INC [QNST] 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) 950 TOWER LANE, 6TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 09/21/2011 (Street) FOSTER CITY, CA 94404 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 09/21/2011   P   3,972 (1) A $ 10.5 2,721,068 I by Partnership Common Stock 09/22/2011   P   21,600 (2) A $ 10.4066 (3) 2,742,668 I by Partnership (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
Solomon Glenn 950 TOWER LANE, 6TH FLOOR FOSTER CITY, CA 94404	X

Signatures

By: Jennie Kim For: Glenn Solomon		09/23/2011
**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)	These shares were purchased pursuant to GVV Capital Entities10b5-1 trading plan established on June 14, 2011 .The shares were issued as follows: 1,945 to Granite Global Ventures II L.P. ("GGV II L.P.") , 1,939 to Granite Global Ventures III L.P. ("GGV III L.P."), 41 to GGV II Entrepreneurs Fund L.P. ("GGV II Entrepreneurs") and 47 to GGV III Entrepreneurs Fund L.P. ("GGV III Entrepreneurs").
(2)	These shares were purchased pursuant to GVV Capital Entities10b5-1 trading plan established on June 14, 2011 .The shares were issued as follows: 10,579 to Granite Global Ventures II L.P. ("GGV II L.P.") , 10,543 to Granite Global Ventures III L.P. ("GGV III L.P."), 221 to GGV II Entrepreneurs Fund L.P. ("GGV II Entrepreneurs") and 257 to GGV III Entrepreneurs Fund L.P. ("GGV III Entrepreneurs").
(3)	The shares were purchased at prices between $10.19 and $10.50. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares purchased at each price.
(4)	The shares are held as follows: 1,151,259 by Granite Global Ventures II L.P. ("GGV II L.P.") , 1,530,015 by Granite Global Ventures III L.P. ("GGV III L.P."), 24,093 by GGV II Entrepreneurs Fund L.P. ("GGV II Entrepreneurs") and 37,301 by GGV III Entrepreneurs Fund L.P. ("GGV III Entrepreneurs" and collectively with GGV II L.P., GGV III, L.P. and GGV II Entrepreneurs, the "Funds"). The Reporting Person is a Managing Director of Granite Global Ventures III L.L.C., the general partner of GGV III L.P. and GGV III Entrepreneurs. The Reporting Person is also a Managing Director of Granite Global Ventures II L.L.C., the general partner of GGV II L.P. and GGV II Entrepreneurs. The Reporting Person has shared voting and investment authority over the shares held by the Funds. The Reporting Person disclaims beneficial ownership of the shares held by the Funds except to the extent of his proportionate pecuniary interest therein.

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