| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mendelsohn Michael | Director | 500 TECHNOLOGY SQUARE, STE 700, CAMBRIDGE | /s/ Michael LaCascia, Attorney-in-Fact for Michael Mendelsohn | 17 Jun 2025 | 0001591109 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FHTX | Stock Option (right to buy) | Award | $120K | +25K | $4.79 | 25K | 17 Jun 2025 | Common Stock | 25K | $4.79 | Direct |