IMPINJ INC
Total Trades
474
Buys
18
Sells
256
Largest Trade
N/A
Insiders
11
Institutional Funds
272
Inst. Value
$1M+
Activist Filings
29
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | EXERCISE | $100K–$500K | 15K | $17.33 | Nov 14, 2024 |
| SYLEBRA CAPITAL LLC | 10% Owner | SELL | $1M+ | 329K | $202.71 | Nov 12, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $1M+ | 12K | $200.81 | Nov 8, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 25K | $201.52 | Nov 8, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $1M+ | 50K | $33.77 | Nov 8, 2024 |
| SYLEBRA CAPITAL LLC | 10% Owner | SELL | $1M+ | 431K | $199.25 | Nov 8, 2024 |
| SYLEBRA CAPITAL LLC | 10% Owner | SELL | $1M+ | 118K | $195.17 | Nov 6, 2024 |
| SYLEBRA CAPITAL LLC | 10% Owner | SELL | $1M+ | 176K | $200.75 | Nov 1, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 35K | $201.42 | Oct 31, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $500K+ | 35K | $22.40 | Oct 31, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | $100K–$500K | 10K | $20.85 | Oct 30, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $1M+ | 10K | $204.75 | Oct 30, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 15K | $33.13 | Oct 30, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $1M+ | 15K | $204.90 | Oct 30, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $100K–$500K | 427 | $237.75 | Oct 15, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | N/A | 1K | — | Oct 15, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 488 | $237.84 | Oct 15, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | EXERCISE | N/A | 1K | — | Oct 15, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $100K–$500K | 1K | $237.82 | Oct 15, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | N/A | 3K | — | Oct 15, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $50K–$100K | 366 | $237.83 | Oct 15, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | N/A | 938 | — | Oct 15, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $15K–$50K | 209 | $209.15 | Sep 25, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | EXERCISE | N/A | 413 | — | Sep 25, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $100K–$500K | 822 | $209.18 | Sep 25, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | N/A | 2K | — | Sep 25, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | EXERCISE | N/A | 1K | — | Sep 25, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 577 | $209.20 | Sep 25, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | N/A | 4K | — | Sep 25, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $100K–$500K | 1K | $209.12 | Sep 25, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 496 | $209.17 | Sep 25, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | N/A | 1K | — | Sep 25, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $100K–$500K | 677 | $162.46 | Aug 22, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | EXERCISE | N/A | 1K | — | Aug 22, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | EXERCISE | $500K+ | 30K | $17.33 | Aug 2, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | SELL | $1M+ | 30K | $154.65 | Aug 2, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $100K–$500K | 10K | $22.40 | Jul 2, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 10K | $154.76 | Jul 2, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | EXERCISE | N/A | 413 | — | Jun 25, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $15K–$50K | 212 | $147.52 | Jun 25, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | N/A | 2K | — | Jun 25, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $100K–$500K | 833 | $147.58 | Jun 25, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | EXERCISE | N/A | 1K | — | Jun 25, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | SELL | $50K–$100K | 584 | $147.58 | Jun 25, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $50K–$100K | 503 | $147.64 | Jun 25, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | N/A | 1K | — | Jun 25, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $100K–$500K | 14K | $16.21 | Jun 25, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 12K | $148.90 | Jun 25, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | N/A | 1K | — | Jun 18, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $50K–$100K | 495 | $149.90 | Jun 18, 2024 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 272 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Capital International Investors | 1.6M | $1M+ | SH |
| STATE STREET CORP | 1.3M | $1M+ | SH |
| SYLEBRA CAPITAL LLC | 1.1M | $1M+ | SH |
| Whale Rock Capital Management LLC | 887K | $1M+ | SH |
| Capital World Investors | 754K | $1M+ | SH |
| Chevy Chase Trust Holdings, LLC | 682K | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 680K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 581K | $1M+ | SH |
| NORGES BANK | 317K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 266K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 212K | $1M+ | SH |
| BNP Paribas Asset Management Holding S.A. | 148K | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 188K | $1M+ | SH |
| AWM Investment Company, Inc. | 178K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 168K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 159K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 129K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 127K | $1M+ | SH |
| Polar Asset Management Partners Inc. | 109K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 99K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Dec 17, 2025
3.8%
1.1M shares
SC 13D/A · Dec 5, 2025
5.0%
1.5M shares
SC 13D/A · Sep 12, 2025
6.3%
1.8M shares
Capital International Investors
SC 13G · Feb 14, 2025
5.4%
1.5M shares
SC 13D/A · Nov 12, 2024
7.9%
2.2M shares
SC 13G/A · Nov 12, 2024
11.9%
3.3M shares
SC 13D/A · Nov 8, 2024
9.2%
2.6M shares
SC 13D/A · Nov 6, 2024
10.3%
2.9M shares
SC 13G/A · Nov 4, 2024
11.9%
3.3M shares
SC 13G/A · Oct 7, 2024
13.5%
3.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jul 10, 2024
10.1%
2.8M shares
SC 13D · Jun 11, 2024
11.5%
3.2M shares
SC 13G/A · Feb 14, 2024
4.6%
1.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.2%
2.5M shares
SC 13G/A · Feb 1, 2024
1.9%
526K shares
SC 13G/A · Jan 26, 2024
7.0%
1.9M shares
SC 13D/A · Nov 16, 2023
14.9%
4.0M shares
SC 13D/A · Aug 25, 2023
13.8%
3.7M shares
SC 13D/A · Aug 18, 2023
12.7%
3.4M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jul 10, 2023
10.1%
2.7M shares
SC 13G · Jun 12, 2023
10.6%
2.8M shares
Gilder, Gagnon, Howe & Co. LLC
SC 13G/A · Feb 14, 2023
4.9%
1.3M shares
Chevy Chase Trust Holdings, LLC
SC 13G/A · Feb 10, 2023
4.6%
1.2M shares
SC 13G · Feb 9, 2023
8.6%
2.2M shares
SC 13G/A · Jan 31, 2023
6.5%
1.7M shares
SC 13D/A · Nov 23, 2022
11.5%
3.0M shares
SC 13D/A · Nov 18, 2022
12.9%
3.3M shares
Chevy Chase Trust Holdings, LLC
SC 13G/A · Feb 14, 2022
5.6%
1.4M shares
Gilder, Gagnon, Howe & Co. LLC
SC 13G · Feb 14, 2022
6.4%
1.6M shares