InsiderTrades

Vieceli John S.

SEC CIK 2032947 · EDGAR

Buying vs selling by month open-market trades, last 25 months, QSI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
QSIQuantum-Si IncChief Product Off 1.14M — $158.2K 102024-09-232026-06-22

Most active insiders at QSI, 12 months

#InsiderTitleBoughtSold
1 Kummeth Charles R.Dir $460.0K—
2 Hawkins Jeffrey AlanPres, CEO, Dir —$261.5K
3 Keyes Jeffry R.CFO —$106.6K
4 Dowdy PaulaDir $104.4K—
5 ROTHBERG JONATHAN MDir, 10% —$80.1K
6 Vieceli John S.Chief Product Off —$74.6K
7 LaPointe ChristianGC, Corp. Sec —$50.8K

Transactions 10

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
M 2026-06-24 20:17 2026-06-22+ QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $0.9282 -30.2K 1.14M -3% -$28.1K
M 2026-03-24 2026-03-20+ QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $0.8398 -22.0K 1.17M -2% -$18.5K
D 2026-03-16 2026-03-12 QSI Quantum-Si Inc Vieceli John S. Chief Product Off A - Grant $0.00 +391.7K 1.19M +49% $0
2025-12-22 2025-12-22 QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $1.28 -21.9K 801.0K -3% -$28.1K
M 2025-09-24 2025-09-22+ QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $1.66 -19.7K 822.9K -2% -$32.7K
2025-06-24 2025-06-23 QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $1.61 -21.9K 842.6K -3% -$35.3K
2025-03-24 2025-03-21 QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $1.39 -4,317 864.5K -0.5% -$6,001
2025-03-14 2025-03-12 QSI Quantum-Si Inc Vieceli John S. Chief Product Off A - Grant $0.00 +708.3K 868.8K +441% $0
2024-12-26 2024-12-23 QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $1.29 -4,306 160.5K -3% -$5,555
M 2024-09-25 2024-09-23+ QSI Quantum-Si Inc Vieceli John S. Chief Product Off S - Sale $0.9402 -4,309 166.9K -3% -$4,051

Purchase Sale Sale after option exercise All abbreviations