Impinj's top three insider shareholders as of August 04, 2026 are Capital Llc Sylebra (TenPercentOwner, 33.05Mn shares), Capital Ltd Sylebra (TenPercentOwner, 11.41Mn shares), Capital Ltd Sylebra (TenPercentOwner, 8.79Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Capital Ltd Sylebra | TenPercentOwner | 0 | 4,197,352 | 4,197,352 | 69.2% | 22 Nov, 2023 |
| 2 | Capital Llc Sylebra | Other | 0 | 1,132,152 | 1,132,152 | 18.7% | 15 Dec, 2025 |
| 3 | Chris Ph.D. Diorio | Chief Executive Officer | 390,302 | 0 | 390,302 | 6.4% | 24 Mar, 2026 |
| 4 | Cary Baker | Chief Financial Officer | 89,003 | 0 | 89,003 | 1.5% | 24 Mar, 2026 |
| 5 | Hussein Mecklai | Chief Operating Officer | 75,882 | 0 | 75,882 | 1.3% | 14 Apr, 2025 |
| 6 | Jeffrey Dossett | Chief Revenue Officer | 71,886 | 0 | 71,886 | 1.2% | 24 Feb, 2025 |
| 7 | Gregory Sessler | Director | 28,257 | 0 | 28,257 | 0.5% | 12 Jun, 2023 |
| 8 | Oppen Peter H Van | Director | 24,266 | 0 | 24,266 | 0.4% | 13 Jun, 2022 |
| 9 | Daniel Patrick Gibson | Director | 19,896 | 0 | 19,896 | 0.3% | 06 Jun, 2025 |
| 10 | Theresa Wise | Director | 14,850 | 0 | 14,850 | 0.2% | 13 Jun, 2022 |
| 11 | Steve Sanghi | Director | 9,849 | 0 | 9,849 | 0.2% | 06 Jun, 2025 |
| 12 | Meera Rao | Director | 8,208 | 0 | 8,208 | 0.1% | 06 Jun, 2025 |
| 13 | Miron Washington | Director | 2,040 | 0 | 2,040 | 0.0% | 07 Nov, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 2,594 | $0.00 | $0 | 389,479 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 782 | $0.00 | $0 | 88,659 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 479 | $0.00 | $0 | 89,138 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 1,224 | $0.00 | $0 | 390,703 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 1,817 | $0.00 | $0 | 392,520 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 597 | $0.00 | $0 | 89,735 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed F | 2,218 | $101.17 | $224.40K | 390,302 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Disposed F | 732 | $101.17 | $74.06K | 89,003 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 782 | $0.00 | $0 | 0 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 479 | $0.00 | $0 | 1,917 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 2,594 | $0.00 | $0 | 0 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 1,224 | $0.00 | $0 | 4,895 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 597 | $0.00 | $0 | 4,773 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 1,817 | $0.00 | $0 | 14,538 | Direct |
| 23 Mar, 2026 | Cary Baker | Chief Financial Officer | Acquired A | 7,627 | $0.00 | $0 | 7,627 | Direct |
| 23 Mar, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired A | 24,806 | $0.00 | $0 | 24,806 | Direct |
| 20 Feb, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired A | 21,734 | $0.00 | $0 | 394,320 | Direct |
| 20 Feb, 2026 | Cary Baker | Chief Financial Officer | Acquired A | 8,508 | $0.00 | $0 | 90,111 | Direct |
| 20 Feb, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed F | 7,435 | $127.92 | $951.09K | 386,885 | Direct |
| 20 Feb, 2026 | Cary Baker | Chief Financial Officer | Disposed F | 2,234 | $127.92 | $285.77K | 87,877 | Direct |