Vieceli John S. — SEC Form 4 filings
SEC reporting owner CIK 2032947. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-24.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-09-25 to 2026-06-24. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 12 legs across 8 filings — 128,688 shares, $158,080 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: sale of 21,923 shares @ $1.61 ($35,382) in Quantum-Si Inc, filed 2025-06-24.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Quantum-Si Inc (QSI) | Chief Product Officer | 10 | — | 12 legs · 128,688 sh · $158,080 | 3 |
Form 4 filings — Vieceli John S.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-24 | 4 | Quantum-Si Inc (QSI) | Sale (S): 15,111 @ $0.96 · Sale (S): 15,112 @ $0.90 | EDGAR |
| 2026-03-24 | 4 | Quantum-Si Inc (QSI) | Sale (S): 10,758 @ $0.85 · Sale (S): 11,239 @ $0.83 | EDGAR |
| 2026-03-16 | 4 | Quantum-Si Inc (QSI) | Grant/award (A): 391,681 @ $0 · Grant/award (A): 468,508 (derivative) @ $0 | EDGAR |
| 2025-12-22 | 4 | Quantum-Si Inc (QSI) | Sale (S): 21,927 @ $1.28 | EDGAR |
| 2025-09-24 | 4 | Quantum-Si Inc (QSI) | Sale (S): 9,843 @ $1.68 · Sale (S): 9,843 @ $1.64 | EDGAR |
| 2025-06-24 | 4 | Quantum-Si Inc (QSI) | Sale (S): 21,923 @ $1.61 | EDGAR |
| 2025-03-24 | 4 | Quantum-Si Inc (QSI) | Sale (S): 4,317 @ $1.39 | EDGAR |
| 2025-03-14 | 4 | Quantum-Si Inc (QSI) | Grant/award (A): 708,333 @ $0 | EDGAR |
| 2024-12-26 | 4 | Quantum-Si Inc (QSI) | Sale (S): 4,306 @ $1.29 | EDGAR |
| 2024-09-25 | 4 | Quantum-Si Inc (QSI) | Sale (S): 2,192 @ $0.95 · Sale (S): 2,117 @ $0.93 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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