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 |
|---|---|---|---|---|---|---|
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $100K–$500K | 5K | $21.81 | Feb 28, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | GRANT | N/A | 12K | — | Feb 27, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $500K+ | 6K | $101.75 | Feb 27, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | N/A | 4K | — | Feb 27, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | GRANT | N/A | 19K | — | Feb 27, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $500K+ | 7K | $101.15 | Feb 27, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | GRANT | N/A | 16K | — | Feb 27, 2024 |
| DOSSETT JEFFREY | CHIEF REVENUE OFFI… | SELL | $100K–$500K | 5K | $101.11 | Feb 27, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | GRANT | $100K–$500K | 46K | $2.36 | Feb 27, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 21K | $102.07 | Feb 27, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | EXERCISE | N/A | 6K | — | Feb 21, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $100K–$500K | 3K | $98.88 | Feb 21, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | EXERCISE | $100K–$500K | 10K | $25.78 | Feb 20, 2024 |
| PHELAN CATHAL G | CHIEF INNOVATION O… | SELL | $1M+ | 10K | $106.23 | Feb 20, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | SELL | $1M+ | 10K | $105.16 | Feb 20, 2024 |
| DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OF… | EXERCISE | $100K–$500K | 10K | $21.81 | Feb 20, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | EXERCISE | $500K+ | 20K | $31.94 | Feb 16, 2024 |
| Baker Cary | CHIEF FINANCIAL OF… | SELL | $1M+ | 20K | $102.14 | Feb 16, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | EXERCISE | $500K+ | 30K | $19.87 | Feb 14, 2024 |
| MECKLAI HUSSEIN | CHIEF OPERATING OF… | SELL | $1M+ | 30K | $104.80 | Feb 14, 2024 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Jan 17, 2024 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 325 | $81.13 | Jan 17, 2024 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 3K | — | Jan 17, 2024 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 855 | $81.16 | Jan 17, 2024 |
| Baker Cary | CFO | SELL | $15K–$50K | 278 | $81.19 | Jan 17, 2024 |
| Baker Cary | CFO | EXERCISE | N/A | 937 | — | Jan 17, 2024 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 1K | — | Jan 17, 2024 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 371 | $81.17 | Jan 17, 2024 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 3K | — | Dec 27, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 1K | $89.76 | Dec 27, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 2K | — | Dec 27, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $50K–$100K | 603 | $89.73 | Dec 27, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 781 | — | Dec 27, 2023 |
| Baker Cary | CFO | SELL | $15K–$50K | 302 | $89.64 | Dec 27, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 937 | — | Dec 27, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 362 | $89.75 | Dec 27, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 4K | — | Nov 27, 2023 |
| Baker Cary | CFO | SELL | $100K–$500K | 1K | $82.94 | Nov 27, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 38K | $82.91 | Nov 22, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 41K | $81.01 | Nov 21, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 53K | $79.97 | Nov 21, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 36K | $79.61 | Nov 20, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 48K | $79.44 | Nov 16, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 34K | $73.16 | Nov 15, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $50K–$100K | 1K | $62.08 | Oct 27, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Oct 16, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 436 | $52.40 | Oct 16, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 1K | — | Oct 16, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 498 | $52.37 | Oct 16, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 1K | $52.39 | Oct 16, 2023 |
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