| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WASHINGTON MIRON | Director | C/O IMPINJ, INC., 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE | /s/ Yukio Morikubo, Attorney in fact for Miron Washington | 07 Nov 2025 | 0001969449 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PI | Common Stock | Sale | $54,357 | -342 | -14% | $158.94 | 2,040 | 07 Nov 2025 | Direct |