| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gibson Daniel Patrick | Director | C/O IMPINJ, INC., 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE | /s/ Yukio Morikubo, Attorney in fact for Daniel Patrick Gibson | 06 Jun 2025 | 0001745725 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PI | Common Stock | Options Exercise | $0 | +1,811 | +10% | $0.000000 | 19,896 | 05 Jun 2025 | Direct | |
| holding | PI | Common Stock | 2,129,260 | 05 Jun 2025 | See footnote | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PI | Restricted Stock Units | Options Exercise | $0 | -1,811 | -100% | $0.000000 | 0 | 05 Jun 2025 | Common Stock | 1,811 | $0.000000 | Direct | F2, F3 |
| transaction | PI | Restricted Stock Units | Award | $0 | +3,114 | $0.000000 | 3,114 | 05 Jun 2025 | Common Stock | 3,114 | $0.000000 | Direct | F2, F4 |
| Id | Content |
|---|---|
| F1 | Sylebra Capital Limited (Sylebra HK) and Sylebra Capital LLC (Sylebra US) are the investment sub-advisers to Sylebra Capital Partners Master Fund, Ltd. (SCP MF), Sylebra Capital Parc Master Fund (PARC MF), Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK, and Daniel Patrick Gibson (Gibson) owns 100% of Class A shares of Sylebra Cayman and 100% of the share capital of Sylebra US. Gibson is a founder and Chief Investment Officer of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra US, Sylebra Cayman and Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARC MF, MENLO MF, and other advisory clients. |
| F2 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock. |
| F3 | On June 6, 2024, the reporting person was granted 1,811 RSUs. These RSUs fully vested on June 5, 2025. |
| F4 | The RSUs will fully vest on the earlier of June 5, 2026 or the date of the 2026 annual meeting of stockholders. |