$PI insider trading
Over the last 12 months, Impinj insiders reported no purchases and 26 sales totaling $219.8M across SEC Form 4 filings. 12% of those filings were made under pre-arranged 10b5-1 trading plans.
- Bought · 12m
- — 0 events
- Sold · 12m
- $219.8M 26 events
- Events · 12m
- 26 Form 4 filings, grouped
- Insiders · 12m
- 4 distinct reporters
- 10b5-1 share
- 12% of events, not dollars
All insider trades
Scroll the table sideways for price, value and marks.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | Baker CaryCHIEF FINANCIAL OFFICER · O | ▼ Sale | 1,429 | $185 | $264K | -1.6% | plan |
| Jun 9, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 64,633 | $128.47 | $8.3M | -7.7% | 3 tranches · indirect |
| Jun 9, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 57,633 | $128.61 | $7.4M | -6.9% | 3 tranches · indirect |
| Jun 5, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 47,479 | $124.06 | $5.9M | -5.3% | 2 tranches · indirect |
| Jun 4, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 33,412 | $136.84 | $4.6M | -3.6% | indirect |
| Jun 3, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 6,313 | $139.17 | $879K | -0.7% | indirect |
| Jun 2, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 38,724 | $142.31 | $5.5M | -4% | indirect |
| Jun 1, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 7,163 | $144.29 | $1.0M | -0.7% | indirect |
| May 29, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 48,504 | $150.78 | $7.3M | -4.7% | indirect |
| May 7, 2026 | SYLEBRA CAPITAL LLCD | ▼ Sale | 36,171 | $152.73 | $5.5M | -3.1% | indirect |
| Dec 15, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 280,547 | $150.54 | $42.2M | -19.9% | 3 tranches · indirect |
| Dec 10, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 87,138 | $155.64 | $13.6M | -5.8% | 3 tranches · indirect |
| Dec 5, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 45,761 | $167.25 | $7.7M | -3% | 3 tranches · indirect |
| Dec 2, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 72,932 | $167.71 | $12.2M | -4.5% | 2 tranches · indirect |
| Nov 28, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 56,853 | $172.12 | $9.8M | -3.4% | 2 tranches · indirect |
| Nov 25, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 78,062 | $164.33 | $12.8M | -4.5% | 2 tranches · indirect |
| Nov 21, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 11,127 | $155.99 | $1.7M | -0.6% | 2 tranches · indirect |
| Nov 12, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 3,772 | $156.3 | $590K | -0.2% | indirect |
| Nov 11, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 30,000 | $155.63 | $4.7M | -1.7% | indirect |
| Nov 7, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 6,246 | $162.16 | $1.0M | -0.3% | indirect |
| Nov 7, 2025 | WASHINGTON MIROND | ▼ Sale | 342 | $158.94 | $54K | -14.4% | — |
| Nov 6, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 23,157 | $171.95 | $4.0M | -1.3% | indirect |
| Nov 3, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 1,513 | $202.01 | $306K | -0.1% | indirect |
| Sep 16, 2025 | DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · O·D | ▼ Sale | 9,096 | $184.49 | $1.7M | -3% | plan · 10 tranches |
| Sep 10, 2025 | SYLEBRA CAPITAL LLC | ▼ Sale | 300,000 | $196.24 | $58.9M | -14.1% | indirect |
| Sep 9, 2025 | DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · O·D | ▼ Sale | 10,000 | $193.59 | $1.9M | -2.9% | plan · 12 tranches |
| Sep 3, 2025 | DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · O·D | ▼ Sale | 10,000 | $185.07 | $1.9M | -2.8% | plan · 6 tranches |
| Aug 29, 2025 | DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · O·D | ▼ Sale | 10,000 | $188.41 | $1.9M | -2.7% | plan · 9 tranches |
Every $PI filing on this page is one API call away
The same Form 4 data over REST or MCP, already grouped into events with the plan flag and the dollar value read. A free key does 100 calls a day and needs no card. Prefer email? Impinj filings can reach your inbox instead.
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. This page shows open-market activity: purchases (code P), sales (S) and dispositions back to the issuer (D). Scheduled compensation events such as stock grants and option exercises are also filed on Form 4 but carry no trading signal, so they are not shown and counts here can be lower than the raw EDGAR filing total. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $PI feed.