[Form 4] QUINSTREET, INC Insider Trading Activity

Rhea-AI Filing Summary

QuinStreet, Inc. Chief Executive Officer and director Douglas Valenti reported multiple share dispositions on February 10, 2026, mainly for tax withholding and gifts. Several transactions coded “F” show common shares surrendered at $11.74 per share to cover federal and state tax obligations from vesting RSUs, with no open-market sales.

Valenti also reported a bona fide gift of 45,088 shares of common stock in a direct account and a corresponding 45,088-share position held indirectly “By Trust.” The filing notes additional indirect ownership of 6,903 shares held by his children. After these movements, he continued to hold a substantial direct and indirect stake in QuinStreet.

Insider Trade Summary

90,176 shares gifted

Mixed 8 txns

Insider Valenti Douglas

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	4,261	$11.74	$50K
Tax Withholding	Common Stock	8,522	$11.74	$100K
Tax Withholding	Common Stock	4,261	$11.74	$50K
Tax Withholding	Common Stock	4,253	$11.74	$50K
Tax Withholding	Common Stock	4,865	$11.74	$57K
Gift	Common Stock	45,088	$0.00	--
Gift	Common Stock	45,088	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 731,995 shares (Direct); Common Stock — 1,712,912 shares (Indirect, By Trust)

Footnotes (1)

1. Exempt transaction pursuant to Section 16b-3 for payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished to the Issuer by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the Shares in this Form 4 for any reason other than to cover required taxes. Shares held by Mr. Valenti's children.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Valenti Douglas

(Last) (First) (Middle)

950 TOWER LANE, 12TH FLOOR

(Street)

FOSTER CITY CA 94404

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

4. If Amendment, Date of 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

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	02/10/2026		F(1)		4,261	D	$11.74	731,995	D
Common Stock	02/10/2026		F(1)		8,522	D	$11.74	723,473	D
Common Stock	02/10/2026		F(1)		4,261	D	$11.74	719,212	D
Common Stock	02/10/2026		F(1)		4,253	D	$11.74	714,959	D
Common Stock	02/10/2026		F(1)		4,865	D	$11.74	710,094	D
Common Stock	02/10/2026		G		45,088	D	$0.00	665,006	D
Common Stock	02/10/2026		G		45,088	A	$0.00	1,712,912	I	By Trust
Common Stock								6,903	I	By Son(2)

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Exempt transaction pursuant to Section 16b-3 for payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished to the Issuer by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the Shares in this Form 4 for any reason other than to cover required taxes.

2. Shares held by Mr. Valenti's children.

	By: Greg Wong For: Doug Valenti	02/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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