| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PERRY MICHAEL S | Director | 177 E. COLORADO BLVD, SUITE 700, PASADENA | /s/Michael Perry | 18 Dec 2025 | 0001250379 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ARWR | Common Stock | Award | $0 | +7,819 | +6.8% | $0.000000 | 123,059 | 16 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares underlying restricted stock units, which shares will vest in one installment on the first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer on such date. |