| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Nicholson, C. David | Director | C/O ADVERUM BIOTECHNOLOGIES, INC., 100 CARDINAL WAY, REDWOOD CITY | /s/ Aneta Fergson, Attorney-in-Fact | 2025-06-20 | 0001636168 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ADVM | Stock Option (Right to Buy) | Award | $0 | +10.5K | $0.00 | 10.5K | Jun 17, 2025 | Common Stock | 10.5K | $2.32 | Direct | F1 | 
| Id | Content | 
|---|---|
| F1 | The shares subject to the option will vest and become exercisable on the earlier of June 17, 2026 or the 2026 annual meeting of stockholders, subject to (1) accelerated vesting upon a change of control and (2) the Reporting Person's continued service with the Issuer on the vesting date. |