| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PARSHALL B LYNNE | Director | 500 TECHNOLOGY SQUARE, STE 700, CAMBRIDGE | /s/ Michael LaCascia, Attorney-in-Fact for B. Lynne Parshall | 17 Jun 2025 | 0001073385 |
| 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 | $119,750 | +25,000 | $4.79 | 25,000 | 17 Jun 2025 | Common Stock | 25,000 | $4.79 | Direct |