Form4insider filings, from the source

Company · CIK 0001117297 · SIC 7389 — Services-Business Services, NEC · Nasdaq

QUINSTREET, INC · QNST

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $17.4M · 7net −$17.4M
$10k$10k$1M$1M$100M$100MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 SForm 4 →Aug 18, 5:49 pm EDTGregory WongCFO11,704$20.44$239,230481,786−2.37%10b5-1
Aug 14, 2026 SForm 4 →Aug 18, 5:48 pm EDTAsmau AhmedDirector25,000$20.63$515,75024,979−50.0%
Aug 11, 2026 SForm 4 →Aug 13, 6:11 pm EDTAsmau AhmedDirector15,000$20.55$308,25049,979−23.1%
Aug 10, 2026 FForm 4 →Aug 11, 4:56 pm EDTGregory WongCFO28,393$22.02$625,214493,490—10b5-1
Aug 10, 2026 FGForm 4 →Aug 11, 4:41 pm EDTDouglas ValentiChief Executive Officer, Director247,905$22.02$1,862,7821,077,933—10b5-1
Aug 7, 2026 SForm 4 →Aug 11, 4:56 pm EDTGregory WongCFO26,296$20.09$528,287521,883−4.80%10b5-1
Aug 7, 2026 SForm 4 →Aug 11, 4:41 pm EDTDouglas ValentiChief Executive Officer, Director751,631$20.50$15,408,436996,278−43.0%10b5-1
Jul 29, 2026 AForm 4 →Jul 31, 4:34 pm EDTGregory WongCFO157,835——548,179—
Jul 29, 2026 AForm 4 →Jul 31, 4:31 pm EDTDouglas ValentiChief Executive Officer, Director393,802——987,558—
Jul 6, 2026 GForm 4 →Jul 8, 4:16 pm EDTDavid J PauldineDirector353,654——176,827—
Jul 1, 2026 SForm 4 →Jul 2, 4:35 pm EDTGregory WongCFO10,338$15.00$155,070390,344−2.58%10b5-1
Jun 15, 2026 SForm 4 →Jun 17, 5:47 pm EDTGregory WongCFO22,057$12.19$268,875400,682−5.22%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.