Form4insider filings, from the source

Company · CIK 0001120914 · SIC 7372 — Services-Prepackaged Software · Nasdaq

PDF SOLUTIONS INC · PDFS

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $228k · 2net −$228k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 31, 2026 SForm 4 →Sep 1, 2:09 pm EDTAndrzej StrojwasChief Technology Officer3,394$44.41$150,72890,965−3.60%
Aug 12, 2026 SForm 4 →Aug 12, 9:32 pm EDTShuo ZhangDirector1,501$51.47$77,25623,380−6.03%
Jul 1, 2026 AFForm 4 →Jul 2, 4:46 pm EDTAndrzej StrojwasChief Technology Officer6,716$66.88$90,68994,203—
Jul 1, 2026 AForm 4 →Jul 2, 4:44 pm EDTShuo ZhangDirector2,689——24,881—
Jul 1, 2026 AForm 4 →Jul 2, 4:42 pm EDTMichael B GustafsonDirector2,689——40,192—
Jul 1, 2026 AForm 4 →Jul 2, 4:40 pm EDTChi-Foon ChanDirector2,689——24,168—
Jul 1, 2026 AForm 4 →Jul 2, 4:35 pm EDTJoseph R BronsonDirector2,689——40,956—
Jul 1, 2026 AForm 4 →Jul 2, 4:33 pm EDTYe Jane LiDirector2,689——26,632—
Jul 1, 2026 AForm 4 →Jul 2, 4:29 pm EDTNancy ErbaDirector2,689——11,943—
Jul 1, 2026 AFForm 4 →Jul 2, 4:13 pm EDTAdnan RazaEVP, Finance and CFO29,460$66.88$401,94980,697—

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

No reported derivative activity in this period.