| SC 13G/A | 2024-02-14 | DIORIO CHRIS PH.D. | IMPINJ INC | 1,260,062 | 4.6% | EDGAR |
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | IMPINJ INC | 2,474,690 | 9.2% | EDGAR |
| SC 13G/A | 2024-02-09 | FMR LLC | IMPINJ INC | 4,058,341 | 15.0% | EDGAR |
| SC 13G/A | 2024-02-01 | Invesco Ltd. | IMPINJ INC | 526,272 | 1.9% | EDGAR |
| SC 13G/A | 2024-01-26 | BlackRock Inc. | IMPINJ INC | 1,898,256 | 7.0% | EDGAR |
| SC 13D/A | 2023-11-17 | Sylebra Capital Ltd | IMPINJ INC | 4,030,559 | 14.9% | EDGAR |
| SC 13D/A | 2023-08-25 | Sylebra Capital Ltd | IMPINJ INC | 3,714,190 | 13.8% | EDGAR |
| SC 13D/A | 2023-08-18 | Sylebra Capital Ltd | IMPINJ INC | 3,400,679 | 12.7% | EDGAR |
| SC 13G/A | 2023-07-10 | VANGUARD GROUP INC | IMPINJ INC | 2,683,400 | 10.1% | EDGAR |
| SC 13G | 2023-06-12 | FMR LLC | IMPINJ INC | 2,815,362 | 10.6% | EDGAR |
| SC 13G/A | 2023-02-14 | GILDER GAGNON HOWE & CO LLC | IMPINJ INC | 1,259,732 | 4.9% | EDGAR |
| SC 13G | 2023-02-10 | Invesco Ltd. | IMPINJ INC | 2,231,686 | 8.6% | EDGAR |
| SC 13G | 2023-02-09 | VANGUARD GROUP INC | IMPINJ INC | 1,921,283 | 7.4% | EDGAR |
| SC 13G/A | 2023-02-01 | BlackRock Inc. | IMPINJ INC | 1,678,194 | 6.5% | EDGAR |
| SC 13D/A | 2022-11-25 | Sylebra Capital Ltd | IMPINJ INC | 2,986,248 | 11.5% | EDGAR |
| SC 13D/A | 2022-11-18 | Sylebra Capital Ltd | IMPINJ INC | 3,332,426 | 12.9% | EDGAR |
| SC 13G | 2022-02-14 | GILDER GAGNON HOWE & CO LLC | IMPINJ INC | 1,561,018 | 6.4% | EDGAR |
| SC 13G/A | 2022-02-08 | BlackRock Inc. | IMPINJ INC | 1,392,225 | 5.7% | EDGAR |
| SC 13G/A | 2022-02-04 | DIORIO CHRIS PH.D. | IMPINJ INC | 1,256,583 | 5.1% | EDGAR |
| SC 13G/A | 2021-02-16 | DIORIO CHRIS PH.D. | IMPINJ INC | 1,217,155 | 5.2% | EDGAR |