Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-03-21 Sale |
2025-03-24 6:11 pm |
Quantum-Si Inc | QSI | Vieceli John S. Chief Product Officer |
4,317 | $1.3855 | $5,981 | 864,509 (Direct) |
View |
2024-12-23 Sale |
2024-12-26 6:21 pm |
Quantum-Si Inc | QSI | Vieceli John S. Chief Product Officer |
4,306 | $1.2936 | $5,570 | 160,493 (Direct) |
View |
2024-09-23 Sale |
2024-09-25 4:24 pm |
Quantum-Si Inc | QSI | Vieceli John S. Chief Product Officer |
4,309 | $0.93843 | $4,044 | 164,799 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-12 Option Award |
2025-03-14 5:06 pm |
N/A N/A |
Quantum-Si Inc | QSI | Vieceli John S. Chief Product Officer |
708,333 | $0 | 868,826 (Direct) |
View |
Ownership |
2024-08-12 4:05 pm |
N/A N/A |
Quantum-Si Inc | QSI | Vieceli John S. Chief Product Officer |
0 | $0 | 369,108 (Direct) |
View |