QSI · ISSUER CIK 1816431
Quantum-Si Inc
Between Aug 1, 2026 and Oct 29, 2026, 3 Quantum-Si Inc insiders reported $0.00 of open-market purchases and $39K of sales on SEC Form 4.
↗3 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 3 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$39KInsider selling
−$39KNet open-market
Sep 23, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23, 202619:51 | Sep 22, 2026from Sep 21, 2026 | QSI | President & CEO, Director | S · Sell | $0.76 | −29,852 | 3,639,950 | -1% | −$23K | ||
| Sep 23, 202619:45 | Sep 22, 2026from Sep 21, 2026 | QSI | Chief Financial Officer | S · Sell | $0.76 | −7,665 | 1,716,684 | -0% | −$6K | ||
| Sep 23, 202619:40 | Sep 22, 2026from Sep 21, 2026 | QSI | GC & Corp. Secretary | S · Sell | $0.76 | −14,516 | 1,167,913 | -1% | −$11K |