| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Posner Brian S | Director | 1560 TRAPELO ROAD, WALTHAM | /s/ Ron Caponigro, Attorney-in-Fact | 02 Oct 2025 | 0001372455 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DYN | Stock option (right to buy) | Award | $0 | +70,000 | $0.000000 | 70,000 | 01 Oct 2025 | Common Stock | 70,000 | $12.50 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The option was granted on October 1, 2025. The shares underlying the option are scheduled to vest over three years in equal monthly installments through October 1, 2028. |