Douglas Valenti - 10 Nov 2025 Form 4 Insider Report for QUINSTREET, INC (QNST)

Role: Chief Executive Officer, Director
Signature: By: Gregory Wong For: Douglas Valenti
Issuer symbol: QNST
Transactions as of: 10 Nov 2025
Transactions value $: -$521,788
Form type: 4
Filing time: 12 Nov 2025, 16:37:54 UTC
Previous filing: 12 Aug 2025
Next filing: 18 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Valenti Douglas	Chief Executive Officer, Director	950 TOWER LANE, 12TH FLOOR, FOSTER CITY	By: Gregory Wong For: Douglas Valenti	12 Nov 2025	0001478988

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QNST	Common Stock	Tax liability	-$87K	-6.03K	-0.75%	$14.42	801K	10 Nov 2025	Direct	F1
transaction	QNST	Common Stock	Tax liability	-$174K	-12.1K	-1.5%	$14.42	789K	10 Nov 2025	Direct	F1
transaction	QNST	Common Stock	Tax liability	-$87K	-6.03K	-0.76%	$14.42	783K	10 Nov 2025	Direct	F1
transaction	QNST	Common Stock	Tax liability	-$87K	-6.03K	-0.77%	$14.42	777K	10 Nov 2025	Direct	F1
transaction	QNST	Common Stock	Tax liability	-$87K	-6.03K	-0.78%	$14.42	771K	10 Nov 2025	Direct	F1
transaction	QNST	Common Stock	Gift	$0	-35.1K	-4.55%	$0.00	736K	10 Nov 2025	Direct
transaction	QNST	Common Stock	Gift	$0	+35.1K	+1.8%	$0.00	1.99M	10 Nov 2025	by Trust
holding	QNST	Common Stock						6.9K	10 Nov 2025	by Son	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Shares held by Mr. Valenti's children.

Content

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.