| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Posner Brian S | Director | 1560 TRAPELO ROAD, WALTHAM | /s/ Ron Caponigro, Attorney-in-Fact | 13 Mar 2026 | 0001372455 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DYN | Common Stock | Purchase | $38,700 | +2,000 | +17% | $19.35 | 13,500 | 11 Mar 2026 | Direct |