Vieceli John S. insider trades
Vieceli John S. has filed 10 Form 4s with the SEC that we hold, all for Quantum-Si Inc (QSI), as Chief Product Officer. Across all of them we count 0 purchases worth $0 and 12 sales worth $158.2K reported on Form 4. In the last 12 months: 0 purchases ($0) and 5 sales ($74.6K). The largest single trade was a sale of 21,923 shares of Quantum-Si Inc worth $35.3K, dated 2025-06-23. The first filing on our record is dated 2024-09-25 and the latest 2026-06-24.
Quantum-Si Inc (QSI)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-09-23 | S, sale reported on Form 4 | 2,192 | $2.1K | 2024-09-25 |
| 2024-09-24 | S, sale reported on Form 4 | 2,117 | $2.0K | 2024-09-25 |
| 2024-12-23 | S, sale reported on Form 4 | 4,306 | $5.6K | 2024-12-26 |
| 2025-03-21 | S, sale reported on Form 4 | 4,317 | $6.0K | 2025-03-24 |
| 2025-06-23 | S, sale reported on Form 4 | 21,923 | $35.3K | 2025-06-24 |
| 2025-09-22 | S, sale reported on Form 4 | 9,843 | $16.5K | 2025-09-24 |
| 2025-09-23 | S, sale reported on Form 4 | 9,843 | $16.1K | 2025-09-24 |
| 2025-12-22 | S, sale reported on Form 4 | 21,927 | $28.1K | 2025-12-22 |
| 2026-03-20 | S, sale reported on Form 4 | 10,758 | $9.1K | 2026-03-24 |
| 2026-03-23 | S, sale reported on Form 4 | 11,239 | $9.3K | 2026-03-24 |
| 2026-06-22 | S, sale reported on Form 4 | 15,111 | $14.5K | 2026-06-24 |
| 2026-06-23 | S, sale reported on Form 4 | 15,112 | $13.6K | 2026-06-24 |
Counted from the Form 4 filings this reporting owner (SEC CIK 2032947) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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