Insiders / Vieceli John S.
Vieceli John S.
CIK 2032947personinsider
Companies
1
First seen
Mar 16, 2026
Last activity
Mar 24, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Quantum-Si Inc · QSI | 1,170,657 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Quantum-Si Inc | Class A Common Stock | 1,170,657 |
| Quantum-Si Inc | Stock Option (Right to Buy)Derivative | 468,508 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 23, 2026 | Sell | QSI Quantum-Si Inc Class A Common Stock | $9.3K | -11K -0.95% | 1,170,657 0.54% of shares | low |
| Mar 20, 2026 | Sell | QSI Quantum-Si Inc Class A Common Stock | $9.1K | -11K -0.90% | 1,181,896 0.54% of shares | low |
| Mar 12, 2026 | Grant | QSI Quantum-Si Inc Class A Common Stock | $0 | +392K +48.90% | 1,192,654 0.55% of shares | low |
| Mar 12, 2026 | Grant | QSI Quantum-Si Inc Stock Option (Right to Buy) | — | +469K | 468,508 0.22% of shares | low |