| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kummeth Charles R. | Director | C/O QUANTUM-SI INCORPORATED, 29 BUSINESS PARK DRIVE, BRANFORD | /s/ Christian LaPointe, Ph.D., Attorney-in-Fact. | 2025-05-21 | 0001534980 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | QSI | Class A Common Stock | 355K | May 19, 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | QSI | Stock Option (right to buy) | Award | $0 | +126K | $0.00 | 126K | May 19, 2025 | Class A Common Stock | 126K | $1.41 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to continued service through the applicable vesting date. |