| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MESSEMER DEBORAH M. | Director | 210 EAST GRAND AVENUE, SOUTH SAN FRANCISCO | /s/Earl Douglas, Attorney-in-Fact | 2025-06-20 | 0001754424 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALLO | Restricted Stock Unit | Award | $0 | +95.4K | $0.00 | 95.4K | Jun 18, 2025 | Common Stock | 95.4K | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents an award of Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of the Companys Common Stock. The RSUs will vest in two successive equal semi-annual installments over the one-year period measured from the date of grant, subject to continued service through the vesting date. Ms. Messemer has elected to defer the receipt of Common Stock upon the vesting of her RSUs pursuant to the Companys Non-Employee Director Compensation Policy until the earlier of (i) 30 days following separation from the Board or (ii) a change in control of the Company. |