| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ware Olivia C | Director | C/O ARCELLX, INC., 800 BRIDGE PARKWAY, REDWOOD CITY | /s/ Michelle Gilson, as Attorney-in-Fact | 30 May 2025 | 0001663771 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ACLX | Stock Option (right to buy) | Award | $0 | +9.17K | $0.00 | 9.17K | 29 May 2025 | Common Stock | 9.17K | $63.68 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Subject to the reporting person's continuing to be a Service Provider (as defined in the 2022 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the shares subject to the award will vest on the earlier to occur of May 29, 2026 or the next annual meeting of stockholders. |