| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Scadden David | Director | C/O EDITAS MEDICINE, INC.,, 11 HURLEY ST., CAMBRIDGE | /s/ David Scadden | 2025-06-10 | 0001707715 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | EDIT | Stock Option (right to buy) | Award | $0 | +37.5K | $0.00 | 37.5K | Jun 6, 2025 | Common Stock | 37.5K | $1.91 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This option was granted on June 6, 2025 and is scheduled to vest in full on June 6, 2026. |