Form4insider filings, from the source

Company · CIK 0001816431 · SIC 3829 — Measuring & Controlling Devices, NEC · Nasdaq

Quantum-Si Inc · QSI

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $39k · 3net −$39k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 23, 7:51 pm EDTJeffrey Alan HawkinsPresident & CEO, Director29,852$0.7574$22,6113,639,950−0.81%
Sep 21, 2026 SForm 4 →Sep 23, 7:45 pm EDTJeffry R. KeyesChief Financial Officer7,665$0.7574$5,8061,716,684−0.44%
Sep 21, 2026 SForm 4 →Sep 23, 7:40 pm EDTChristian LaPointeGC & Corp. Secretary14,516$0.7574$10,9951,167,913−1.23%

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

No reported derivative activity in this period.