List of insiders holdings for IMPINJ INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Gibson Daniel Patrick Sylebra Capital Management Ltd Sylebra Capital Ltd Director | 2023-11-16 18:41:23 | 4,030,559 0 | 4,030,559 | Form 13D |
| 2 | SYLEBRA CAPITAL LLC Gibson Daniel Patrick Sylebra Capital Ltd 10% Owner | 2025-12-17 17:02:20 | 1,132,152 0 | 1,132,152 | Form 13D |
| 3 | Gibson Daniel Patrick Director | 2026-05-29 17:36:26 | 24,906 1,022,171 | 1,047,077 | Form 4 |
| 4 | SYLEBRA CAPITAL LLC Director | 2026-06-10 17:31:11 | 0 775,943 | 775,943 | Form 4/A |
| 5 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER | 2026-08-21 19:08:50 | 375,683 199,362 | 575,045 | Form 4 |
| 6 | BRODERSEN ERIC President and COO | 2020-03-10 17:42:11 | 167,036 0 | 167,036 | Form 4 |
| 7 | ALBERG TOM A Director | 2020-10-23 16:47:41 | 80,518 19,219 | 99,737 | Form 4 |
| 8 | Baker Cary CHIEF FINANCIAL OFFICER | 2026-08-21 19:10:59 | 94,499 0 | 94,499 | Form 4 |
| 9 | MECKLAI HUSSEIN CHIEF OPERATING OFFICER | 2025-04-14 19:12:44 | 75,882 0 | 75,882 | Form 4 |
| 10 | DOSSETT JEFFREY CHIEF REVENUE OFFICER | 2025-02-24 16:33:20 | 71,886 0 | 71,886 | Form 4 |
| 11 | FEIN EVAN Chief Financial Officer | 2018-02-21 17:42:13 | 70,129 0 | 70,129 | Form 4 |
| 12 | Sanghi Steve Director | 2026-05-29 17:31:22 | 15,359 40,200 | 55,559 | Form 4 |
| 13 | SESSLER GREGORY Director | 2023-06-12 17:27:40 | 28,257 0 | 28,257 | Form 4 |
| 14 | VAN OPPEN PETER H Director | 2022-06-13 20:13:35 | 25,245 0 | 25,245 | Form 4 |
| 15 | PHELAN CATHAL G CHIEF INNOVATION OFFICER | 2025-05-21 18:10:38 | 20,056 0 | 20,056 | Form 4 |
| 16 | BYBEE CLINTON Director | 2020-10-23 18:13:15 | 17,125 0 | 17,125 | Form 4 |
| 17 | WISE THERESA Director | 2022-06-13 19:05:56 | 15,793 0 | 15,793 | Form 4 |
| 18 | Rao Meera Director | 2026-05-29 17:30:11 | 13,218 0 | 13,218 | Form 4 |
| 19 | PALHETAS WALTER XAVIER Sr. VP Sales | 2016-08-25 19:28:10 | 12,500 0 | 12,500 | Form 4 |
| 20 | PADVAL UMESH Director | 2026-05-29 17:32:51 | 8,550 0 | 8,550 | Form 4 |
| 21 | WASHINGTON MIRON Director | 2026-05-29 17:34:04 | 7,050 0 | 7,050 | Form 4 |
| 22 | MASTERS DENISE VP Accounting | 2020-03-03 19:42:12 | 6,654 0 | 6,654 | Form 4 |
| 23 | Valdez Arthur L Jr Director | 2026-05-29 17:35:13 | 1,896 0 | 1,896 | Form 4 |
| 24 | ARCH VENTURE FUND V LP ARCH V ENTREPRENEURS FUND LP ARCH VENTURE PARTNERS V LP ARCH VENTURE PARTNERS V LLC CRANDELL KEITH LAZARUS STEVEN NELSEN ROBERT 10% Owner | 2020-02-14 12:47:49 | 0 0 | 0 | Form 13G |