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. | CEO | EXERCISE | N/A | 3K | — | Oct 16, 2023 |
| Baker Cary | CFO | SELL | $15K–$50K | 375 | $52.26 | Oct 16, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 938 | — | Oct 16, 2023 |
| PHELAN CATHAL G | Chief Innovation O… | EXERCISE | N/A | 2K | — | Oct 2, 2023 |
| PHELAN CATHAL G | Chief Innovation O… | SELL | $50K–$100K | 1K | $53.29 | Oct 2, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 938 | — | Sep 26, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 366 | $55.15 | Sep 26, 2023 |
| Baker Cary | CFO | SELL | $15K–$50K | 305 | $55.21 | Sep 26, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 781 | — | Sep 26, 2023 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 3K | — | Sep 26, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $50K–$100K | 1K | $55.20 | Sep 26, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 609 | $55.15 | Sep 26, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 2K | — | Sep 26, 2023 |
| Baker Cary | CFO | SELL | $15K–$50K | 311 | $63.26 | Sep 19, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 781 | — | Sep 19, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 499 | $63.25 | Sep 19, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Sep 19, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 746 | $63.21 | Sep 19, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 2K | — | Sep 19, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $15K–$50K | 622 | $63.22 | Sep 19, 2023 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 2K | — | Sep 19, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $70.00 | Sep 7, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $50K–$100K | 1K | $67.79 | Sep 6, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 79K | $66.11 | Sep 5, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 126K | $63.32 | Sep 1, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 29K | $63.27 | Aug 31, 2023 |
| Baker Cary | CFO | SELL | $50K–$100K | 1K | $60.21 | Aug 25, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 4K | — | Aug 25, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 75K | $59.49 | Aug 24, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 48K | $58.45 | Aug 23, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 191K | $60.02 | Aug 18, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 225K | $61.20 | Aug 17, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 64K | $60.51 | Aug 16, 2023 |
| Sylebra Capital Ltd | 10% Owner | BUY | $1M+ | 264K | $58.26 | Aug 15, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 625 | — | Aug 2, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 251 | $65.31 | Aug 2, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 2K | $65.41 | Aug 2, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 2K | — | Aug 2, 2023 |
| MECKLAI HUSSEIN | COO | SELL | $15K–$50K | 421 | $89.77 | Jul 14, 2023 |
| MECKLAI HUSSEIN | COO | EXERCISE | N/A | 1K | — | Jul 14, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $15K–$50K | 482 | $89.83 | Jul 14, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | EXERCISE | N/A | 1K | — | Jul 14, 2023 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 3K | — | Jul 14, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $100K–$500K | 1K | $89.74 | Jul 14, 2023 |
| Baker Cary | CFO | SELL | $15K–$50K | 361 | $89.86 | Jul 14, 2023 |
| Baker Cary | CFO | EXERCISE | N/A | 937 | — | Jul 14, 2023 |
| DOSSETT JEFFREY | Chief Revenue Offi… | SELL | $100K–$500K | 4K | $89.70 | Jul 5, 2023 |
| DIORIO CHRIS PH.D. | CEO | SELL | $100K–$500K | 2K | $89.77 | Jul 5, 2023 |
| DIORIO CHRIS PH.D. | CEO | EXERCISE | N/A | 4K | — | Jul 5, 2023 |
| PHELAN CATHAL G | Chief Innovation O… | EXERCISE | N/A | 2K | — | Jul 5, 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