Updated Jul 16, 2026
Vieceli John S. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $85K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-25 | QSI | Quantum-Si Inc | S — Open-market sale | 15.1K | $0.90 | $14K |
| 2026-06-25 | QSI | Quantum-Si Inc | S — Open-market sale | 15.1K | $0.96 | $14K |
| 2026-03-24 | QSI | Quantum-Si Inc | S — Open-market sale | 11.2K | $0.83 | $9K |
| 2026-03-24 | QSI | Quantum-Si Inc | S — Open-market sale | 10.8K | $0.85 | $9K |
| 2026-03-16 | QSI | Quantum-Si Inc | A — Grant or award | 391.7K | $0.00 | |
| 2025-09-22 | QSI | Quantum-Si Inc | S — Open-market sale | 9.8K | $1.64 | $16K |
| 2025-09-22 | QSI | Quantum-Si Inc | S — Open-market sale | 9.8K | $1.68 | $17K |
| 2024-12-26 | QSI | Quantum-Si Inc | S — Open-market sale | 4.3K | $1.29 | $6K |
Vieceli John S. is a corporate insider — currently tracked as Insider of Quantum-Si Inc (QSI). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($85K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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