Form 4 for QSI Quantum-Si Inc
Accepted 2026-09-23 19:45:56 ET · period of report 2026-09-21 · accession 0001140361-26-037478 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-09-23 19:45 | 2026-09-21+ | QSI | Keyes Jeffry R. | CFO | S - Sale | $0.7574 | -7,665 | 1.72M | -0.4% | -$5,806 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-09-21 | S | D | 5,172 | $0.7558 | 1,719,177 | D | — | — | (F1) Represents shares sold pursuant to a mandatory Quantum-Si sell-to-cover provision for required federal, state and local withholding taxes in connection with the vesting of previously granted restricted stock units. Individual is not able to alter this mandatory sell-to-cover provision that is enacted at the grant date of the related restricted stock unit award. (F2) Represents the weighted average sales price per share. The shares sold at prices ranging from $0.75 to $0.762 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |
| 2 | Common | Class A Common Stock | 2026-09-22 | S | D | 2,493 | $0.7608 | 1,716,684 | D | — | — | (F1) Represents shares sold pursuant to a mandatory Quantum-Si sell-to-cover provision for required federal, state and local withholding taxes in connection with the vesting of previously granted restricted stock units. Individual is not able to alter this mandatory sell-to-cover provision that is enacted at the grant date of the related restricted stock unit award. (F3) Represents the weighted average sales price per share. The shares sold at prices ranging from $0.7511 to $0.7779 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |