| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Prasad Raju | Chief Financial Officer | C/O CRISPR THERAPEUTICS, 105 WEST FIRST STREET, BOSTON | /s/ Elizabeth Ryland Waldinger, attorney-in-fact | 2025-06-03 | 0001968317 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CRSP | Restricted Stock Units | Award | $0 | +20K | $0.00 | 20K | May 30, 2025 | Common Shares | 20K | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of CRSP Common Shares. |
| F2 | This restricted stock unit award was granted on May 30, 2025 with respect to 20,000 Common Shares, with 100% of the shares vesting on May 30, 2028. |