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 | N/A | 2K | — | Dec 19, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $50K–$100K | 734 | $109.79 | Dec 19, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 612 | $109.79 | Dec 19, 2022 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 2K | — | Dec 19, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $127.55 | Dec 2, 2022 |
| Sylebra Capital Ltd | 10% Owner | SELL | $1M+ | 11K | $123.72 | Dec 1, 2022 |
| Sylebra Capital Ltd | 10% Owner | SELL | $1M+ | 239K | $122.13 | Nov 29, 2022 |
| Baker Cary | CFO | SELL | $100K–$500K | 1K | $123.40 | Nov 28, 2022 |
| Baker Cary | CFO | EXERCISE | N/A | 4K | — | Nov 28, 2022 |
| Sylebra Capital Ltd | 10% Owner | SELL | $1M+ | 128K | $115.41 | Nov 23, 2022 |
| Sylebra Capital Ltd | 10% Owner | SELL | $1M+ | 157K | $110.58 | Nov 18, 2022 |
| Sylebra Capital Ltd | 10% Owner | SELL | $1M+ | 65K | $116.33 | Nov 18, 2022 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 252 | $111.96 | Nov 2, 2022 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 625 | — | Nov 2, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 3K | $114.42 | Nov 2, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 2K | — | Nov 2, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $500K+ | 5K | $113.39 | Nov 2, 2022 |
| PHELAN CATHAL G | Director | EXERCISE | $100K–$500K | 10K | $25.78 | Nov 1, 2022 |
| PHELAN CATHAL G | Director | SELL | $1M+ | 10K | $110.60 | Nov 1, 2022 |
| MECKLAI HUSSEIN | COO | SELL | $1M+ | 21K | $110.62 | Nov 1, 2022 |
| MECKLAI HUSSEIN | COO | EXERCISE | $100K–$500K | 9K | $17.75 | Nov 1, 2022 |
| Baker Cary | CFO | EXERCISE | $50K–$100K | 3K | $26.84 | Nov 1, 2022 |
| Baker Cary | CFO | SELL | $500K+ | 5K | $110.61 | Nov 1, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $1M+ | 15K | $112.16 | Oct 31, 2022 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 427 | $79.26 | Oct 14, 2022 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Oct 14, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 1K | — | Oct 14, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 488 | $79.22 | Oct 14, 2022 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 3K | — | Oct 14, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 1K | $79.22 | Oct 14, 2022 |
| Baker Cary | CFO | EXERCISE | N/A | 938 | — | Oct 14, 2022 |
| Baker Cary | CFO | SELL | $15K–$50K | 366 | $79.23 | Oct 14, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $80.19 | Oct 5, 2022 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 4K | — | Oct 5, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $100K–$500K | 1K | $84.77 | Oct 5, 2022 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Sep 19, 2022 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 519 | $87.97 | Sep 19, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $50K–$100K | 777 | $87.93 | Sep 19, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 2K | — | Sep 19, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 647 | $87.95 | Sep 19, 2022 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 2K | — | Sep 19, 2022 |
| Baker Cary | CFO | SELL | $15K–$50K | 324 | $87.96 | Sep 19, 2022 |
| Baker Cary | CFO | EXERCISE | N/A | 781 | — | Sep 19, 2022 |
| SESSLER GREGORY | Director | SELL | $50K–$100K | 670 | $92.16 | Sep 9, 2022 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $88.05 | Sep 6, 2022 |
| Baker Cary | CFO | EXERCISE | N/A | 4K | — | Aug 26, 2022 |
| Baker Cary | CFO | SELL | $100K–$500K | 1K | $95.55 | Aug 26, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $500K+ | 10K | $92.31 | Aug 23, 2022 |
| DIORIO CHRIS PH.D. | CEO | SELL | $500K+ | 10K | $95.83 | Aug 18, 2022 |
| MECKLAI HUSSEIN | COO | EXERCISE | $100K–$500K | 9K | $17.75 | Aug 3, 2022 |
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