| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sorg Elaine K. | Director | C/O ARTIVA BIOTHERAPEUTICS, INC., 5505 MOREHOUSE DRIVE, SUITE 100, SAN DIEGO | /s/ Andrew Cronauer, Attorney-in-Fact | 19 Feb 2026 | 0001832571 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ARTV | Director Stock Option (Right to Buy) | Award | $0 | +27,500 | $0.000000 | 27,500 | 18 Feb 2026 | Common Stock | 27,500 | $4.15 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | One-third of the shares vested following the grant date, with the remaining shares vesting monthly over an additional two years following February 18, 2026. |