Over the 90-day window ending February 07, 2026, Impinj's three dominant insider ownership positions are held by TenPercentOwner Capital Ltd Sylebra (4.20Mn shares), TenPercentOwner Capital Llc Sylebra (1.15Mn shares), Chief Executive Officer Chris Ph.D. Diorio (573.78K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Ltd Sylebra | 4,197,352 | 22 Nov, 2023 | |
| Capital Llc Sylebra | 1,150,237 | 10 Jun, 2024 | |
| Chris Ph.D. Diorio | Chief Executive Officer | 573,784 | 23 Dec, 2025 |
| Cary Baker | Chief Financial Officer | 81,603 | 23 Dec, 2025 |
| Hussein Mecklai | Chief Operating Officer | 75,882 | 14 Apr, 2025 |
| Jeffrey Dossett | Chief Revenue Officer | 71,886 | 24 Feb, 2025 |
| Steve Sanghi | 50,049 | 06 Jun, 2025 | |
| Gregory Sessler | 28,257 | 12 Jun, 2023 | |
| Oppen Peter H Van | 24,266 | 13 Jun, 2022 | |
| Daniel Patrick Gibson | 19,896 | 06 Jun, 2025 | |
| Theresa Wise | 14,850 | 13 Jun, 2022 | |
| Cathal G Phelan | Chief Innovation Officer | 10,431 | 21 May, 2025 |
| Meera Rao | 8,208 | 06 Jun, 2025 | |
| Umesh Padval | 3,540 | 06 Jun, 2025 | |
| Miron Washington | 2,040 | 07 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Dec, 2025 | Chris Ph.D. Diorio | Common Stock | A | 1,817 | $0.00 | 376,640 | D | M |
| 23 Dec, 2025 | Chris Ph.D. Diorio | Common Stock | A | 1,224 | $0.00 | 374,823 | D | M |
| 23 Dec, 2025 | Chris Ph.D. Diorio | Common Stock | D | 2,218 | $171.99 | 374,422 | D | F |
| 23 Dec, 2025 | Chris Ph.D. Diorio | Common Stock | A | 2,594 | $0.00 | 373,599 | D | M |
| 23 Dec, 2025 | Cary Baker | Common Stock | A | 479 | $0.00 | 81,739 | D | M |
| 23 Dec, 2025 | Cary Baker | Common Stock | A | 781 | $0.00 | 81,260 | D | M |
| 23 Dec, 2025 | Cary Baker | Common Stock | D | 732 | $171.99 | 81,603 | D | F |
| 23 Dec, 2025 | Cary Baker | Common Stock | A | 596 | $0.00 | 82,335 | D | M |
| 15 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 134,629 | $150.36 | 1,132,152 | I | S |
| 12 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 50,573 | $146.62 | 1,266,781 | I | S |
| 11 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 95,345 | $152.87 | 1,317,354 | I | S |
| 10 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 84,604 | $155.49 | 1,412,699 | I | S |
| 09 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 40 | $160.01 | 1,497,303 | I | S |
| 08 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 2,494 | $160.72 | 1,497,343 | I | S |
| 05 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 1,373 | $161.04 | 1,499,837 | I | S |
| 04 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 3,167 | $160.59 | 1,501,210 | I | S |
| 03 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 41,221 | $167.97 | 1,504,377 | I | S |
| 02 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 41,874 | $168.23 | 1,545,598 | I | S |
| 01 Dec, 2025 | Capital Llc Sylebra | Common Stock | D | 31,058 | $167.02 | 1,587,472 | I | S |
| 28 Nov, 2025 | Capital Llc Sylebra | Common Stock | D | 22,297 | $172.62 | 1,618,530 | I | S |