Insider Transactions Reported by 11 Insiders of QUINSTREET, INC

Symbol: QNST on Nasdaq
Location: Foster City, CA

Quick Takeaways

QNST - QUINSTREET, INC has 11 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are available for direct filing-level review.

What Changed

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Apr 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

QUINSTREET, INC executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Douglas Valenti	Chief Executive Officer, Director	$34,269,877	Mixed	10 Feb 2026
Gregory Wong	Cfo	$5,051,487	Mixed	10 Feb 2026
David J. Pauldine	Director	$2,889,254	Mixed	30 Oct 2025
Stuart Huizinga	Director	$2,813,389	Mixed	30 Oct 2025
Matthew Glickman	Director	$2,058,716	Mixed	30 Oct 2025
James R. Simons	Director	$1,865,202	Mixed	30 Oct 2025
Sheehan Andrew T.	Director	$1,249,649	Mixed	30 Oct 2025
Hillary B. Smith	Director	$1,041,269	Mixed	30 Oct 2025
Asmau Ahmed	Director	$1,005,225	Mixed	30 Oct 2025
Anna Liao Fieler	Director	$750,999	Mixed	27 Oct 2023
Robin Josephs	Director	$716,902	Mixed	14 Sep 2021

Top shareholders of QUINSTREET, INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13F 13D/G	Company	15% from 13D/G	10,665,490	$153,263,091	—	31 Dec 2025	13F 13D/G
VANGUARD GROUP INC	13F	Company	7.6%	4,257,710	$61,183,292	—	31 Dec 2025	13F
Private Capital Management, LLC	13F	Company	7.4%	4,171,946	$59,950,864	—	31 Dec 2025	13F
THRIVENT FINANCIAL FOR LUTHERANS	13D/G 13F	Company	4.8%	2,687,648	$46,442,557	$0	30 Sep 2024	13D/G 13F
Douglas Valenti	3/4/5	Chief Executive Officer, Director	4.2%	2,384,821	$34,269,877	—	10 Feb 2026	3/4/5
STATE STREET CORP	13F	Company	3.6%	2,039,239	$29,303,864	—	31 Dec 2025	13F
Assenagon Asset Management S.A.	13F	Company	2.9%	1,633,251	$23,469,817	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	2.8%	1,595,184	$22,922,793	—	31 Dec 2025	13F
ROYCE & ASSOCIATES LP	13F	Company	2.4%	1,360,352	$19,548,258	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.4%	1,337,735	$19,226,143	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	2.3%	1,295,110	$18,610,731	—	31 Dec 2025	13F
NewEdge Wealth, LLC	13F	Company	2.1%	1,207,694	$17,354,563	—	31 Dec 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.1%	1,176,449	$16,905,452	—	31 Dec 2025	13F
Qube Research & Technologies Ltd	13F	Company	2.1%	1,163,636	$16,721,449	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.7%	967,333	$13,900,575	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	1.7%	954,613	$13,717,789	—	31 Dec 2025	13F
JACOBS ASSET MANAGEMENT, LLC	13F	Company	1.7%	932,500	$13,400,025	—	31 Dec 2025	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	1.6%	900,264	$12,936,793	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	1.5%	867,614	$12,467,622	—	31 Dec 2025	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	1.2%	693,211	$9,961,442	—	31 Dec 2025	13F
MARSHALL WACE, LLP	13F	Company	1.2%	667,841	$9,596,875	—	31 Dec 2025	13F
Gillson Capital LP	13F	Company	1.1%	613,998	$8,823,000	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	1.1%	609,026	$8,751,704	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	1.1%	606,523	$8,715,736	—	31 Dec 2025	13F
Mill Road Capital Management LLC	13F	Company	0.92%	518,879	$7,456,291	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.92%	516,910	$7,427,997	—	31 Dec 2025	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.89%	499,658	$7,180,085	—	31 Dec 2025	13F
BASSWOOD CAPITAL MANAGEMENT, L.L.C.	13F	Company	0.88%	496,545	$7,135,352	—	31 Dec 2025	13F
ALGERT GLOBAL LLC	13F	Company	0.88%	495,903	$7,126,000	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.67%	375,900	$5,401,683	—	31 Dec 2025	13F
NORDEA INVESTMENT MANAGEMENT AB	13F	Company	0.64%	362,042	$5,173,580	—	31 Dec 2025	13F
Gregory Wong	3/4/5	CFO	0.76%	430,280	$5,051,487	—	10 Feb 2026	3/4/5
Bank of New York Mellon Corp	13F	Company	0.58%	324,621	$4,664,803	—	31 Dec 2025	13F
Pacer Advisors, Inc.	13F	Company	0.51%	284,833	$4,093,050	—	31 Dec 2025	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.48%	271,307	$3,898,682	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	0.47%	262,978	$3,778,994	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0.46%	260,318	$3,740,769	—	31 Dec 2025	13F
HRT FINANCIAL LP	13F	Company	0.46%	260,257	$3,739,000	—	31 Dec 2025	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.46%	259,356	$3,726,946	—	31 Dec 2025	13F
Trexquant Investment LP	13F	Company	0.45%	252,135	$3,623,180	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	0.44%	250,782	$3,603,737	—	31 Dec 2025	13F
First Eagle Investment Management, LLC	13F	Company	0.44%	249,874	$3,590,689	—	31 Dec 2025	13F
Y-Intercept (Hong Kong) Ltd	13F	Company	0.4%	225,173	$3,235,736	—	31 Dec 2025	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.39%	219,979	$3,153,000	—	31 Dec 2025	13F
BESSEMER GROUP INC	13F	Company	0.38%	212,367	$3,052,000	—	31 Dec 2025	13F
Squarepoint Ops LLC	13F	Company	0.36%	202,444	$2,909,120	—	31 Dec 2025	13F
David J. Pauldine	3/4/5	Director	0.33%	186,765	$2,889,254	—	30 Oct 2025	3/4/5
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.36%	200,446	$2,880,409	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.35%	199,138	$2,861,613	—	31 Dec 2025	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.35%	198,393	$2,850,913	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for QUINSTREET, INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Shares	Shares Owned	Date	Ownership
Gregory Wong	QNST	Common Stock	Tax liability	-1.87%	-8,187	430,280	10 Feb 2026	Direct
Douglas Valenti	QNST	Common Stock	Gift	2.7%	45,088	1,712,912	10 Feb 2026	By Trust
Douglas Valenti	QNST	Common Stock	Gift	-6.35%	-45,088	665,006	10 Feb 2026	Direct
Douglas Valenti	QNST	Common Stock	Tax liability	-3.55%	-26,162	710,094	10 Feb 2026	Direct
Douglas Valenti	QNST	Common Stock	Gift	-10.9%	-204,900	1,667,824	15 Jan 2026	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-0.43%	-8,500	1,972,724	17 Dec 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-0.09%	-1,800	1,981,224	16 Dec 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-0.09%	-1,800	1,983,024	15 Dec 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-0.04%	-750	1,984,824	17 Nov 2025	by Trust
Gregory Wong	QNST	Common Stock	Tax liability	-2.38%	-10,673	438,467	10 Nov 2025	Direct
Douglas Valenti	QNST	Common Stock	Gift	1.8%	35,065	1,985,574	10 Nov 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-4.55%	-35,065	736,256	10 Nov 2025	Direct
Douglas Valenti	QNST	Common Stock	Tax liability	-4.48%	-36,185	771,321	10 Nov 2025	Direct
Asmau Ahmed	QNST	Common Stock	Award	18.1%	9,938	64,979	30 Oct 2025	Direct
Matthew Glickman	QNST	Common Stock	Award	8.78%	9,938	123,078	30 Oct 2025	Direct
Hillary B. Smith	QNST	Common Stock	Award	18.4%	9,938	63,959	30 Oct 2025	Direct
James R. Simons	QNST	Common Stock	Award	15.1%	9,938	75,728	30 Oct 2025	Direct
Stuart Huizinga	QNST	Common Stock	Award	5.78%	9,938	181,861	30 Oct 2025	Direct
Sheehan Andrew T.	QNST	Common Stock	Gift	16.3%	7,732	55,218	30 Oct 2025	by Trust
Sheehan Andrew T.	QNST	Common Stock	Gift	-43.8%	-7,732	9,938	30 Oct 2025	Direct
Sheehan Andrew T.	QNST	Common Stock	Award	128.5%	9,938	17,670	30 Oct 2025	Direct
David J. Pauldine	QNST	Common Stock	Award	5.62%	9,938	186,765	30 Oct 2025	Direct
Douglas Valenti	QNST	Common Stock	Gift	-5.13%	-100,000	1,850,509	22 Oct 2025	by Trust
Gregory Wong	QNST	Common Stock	Tax liability	-5.26%	-24,950	449,140	10 Aug 2025	Direct
Douglas Valenti	QNST	Common Stock	Gift	3.9%	73,241	1,950,509	10 Aug 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-8.32%	-73,241	807,506	10 Aug 2025	Direct
Douglas Valenti	QNST	Common Stock	Tax liability	-7.9%	-75,571	880,747	10 Aug 2025	Direct
Gregory Wong	QNST	Common Stock	Award	43.2%	143,100	474,090	29 Jul 2025	Direct
Douglas Valenti	QNST	Common Stock	Award	65.9%	380,000	956,318	29 Jul 2025	Direct
Gregory Wong	QNST	Common Stock	Tax liability	-1.79%	-6,041	330,990	10 May 2025	Direct
Douglas Valenti	QNST	Common Stock	Gift	1.43%	26,483	1,877,268	10 May 2025	by Trust
Douglas Valenti	QNST	Common Stock	Gift	-4.39%	-26,483	576,318	10 May 2025	Direct
Douglas Valenti	QNST	Common Stock	Tax liability	-4.34%	-27,329	602,801	10 May 2025	Direct

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