Impinj, Inc. (PI) Insider Trading
Over the last 3 months, PI insiders made 0 open-market buys and 10 sales, a net sale of -$27.0M (SEC Form 4). Over the last 6 months, 246 institutions increased and 173 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
10
Net (3m)
-$27.0M
Insider trades by month Buys Sells
Sep
Nov
Dec
May
Jun
Aug
Context3-month price +18.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 21, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Tax | 685 | $159.73 |
| Aug 21, 2026 | DIORIO CHRIS PH.D.director, officer: CHIEF EXECUTIVE OFFICER | Option | 3,753 | — |
| Aug 21, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Option | 1,739 | — |
| Aug 21, 2026 | DIORIO CHRIS PH.D.director, officer: CHIEF EXECUTIVE OFFICER | Tax | 1,477 | $159.73 |
| Aug 12, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Sell | 1,429 | $185.00 |
| Jun 24, 2026 | DIORIO CHRIS PH.D.director, officer: CHIEF EXECUTIVE OFFICER | Option | 1,223 | — |
| Jun 24, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Tax | 424 | $125.22 |
| Jun 24, 2026 | DIORIO CHRIS PH.D.director, officer: CHIEF EXECUTIVE OFFICER | Option | 1,817 | — |
| Jun 24, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Option | 597 | — |
| Jun 24, 2026 | Baker Caryofficer: CHIEF FINANCIAL OFFICER | Option | 479 | — |
| Jun 24, 2026 | DIORIO CHRIS PH.D.director, officer: CHIEF EXECUTIVE OFFICER | Tax | 1,197 | $125.22 |
| Jun 10, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 12,105 | $127.36 |
| Jun 10, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 33,000 | $130.07 |
| Jun 10, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 12,528 | $125.97 |
| Jun 10, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 19,105 | $127.36 |
| Jun 9, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 11,602 | $128.87 |
| Jun 9, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 35,877 | $122.50 |
| Jun 8, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 33,412 | $136.84 |
| Jun 4, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 6,313 | $139.17 |
| Jun 4, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 38,724 | $142.31 |
| Jun 2, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 48,504 | $150.78 |
| Jun 2, 2026 | SYLEBRA CAPITAL LLCdirector | Sell | 7,163 | $144.29 |
| May 29, 2026 | WASHINGTON MIRONdirector | Grant | 1,896 | — |
| May 29, 2026 | Rao Meeradirector | Option | 3,114 | — |
| May 29, 2026 | Gibson Daniel Patrickdirector | Grant | 1,896 | — |
| May 29, 2026 | PADVAL UMESHdirector | Grant | 1,896 | — |
| May 29, 2026 | WASHINGTON MIRONdirector | Option | 3,114 | — |
| May 29, 2026 | Gibson Daniel Patrickdirector | Option | 3,114 | — |
| May 29, 2026 | Sanghi Stevedirector | Grant | 2,085 | — |
| May 29, 2026 | PADVAL UMESHdirector | Option | 3,114 | — |
Source: PI SEC Form 4 filings, latest Aug 21, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PI positions over the last 6 months (SEC Form 13F).
Increased
246
New positions
114
Reduced
173
Sold out
42
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 4.6M | Aug 13, 2026 |
| BlackRock, Inc. | Increased | 4.4M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 4.3M | May 13, 2026 |
| FMR LLC | Reduced | 4.3M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2.2M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.1M | May 8, 2026 |
| STATE STREET CORP | Increased | 1.7M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 1.5M | May 15, 2026 |
| Capital International Investors | Increased | 1.4M | Aug 12, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 1.4M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.3M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.3M | May 15, 2026 |
| SYLEBRA CAPITAL LLC | Unchanged | 1.1M | May 18, 2026 |
| Capital World Investors | Increased | 1.1M | Aug 12, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 1.0M | May 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.