IMPINJ INC (PI) has 9 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $403K. Most recent filing: Sept. 16, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 16, 2026 filed Sept. 15, 2026 | WASHINGTON MIRON Director | −$138,608 | 800 | −16% | No | |
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| Sept. 15, 2026 filed Sept. 14, 2026 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER | $0 | 10,000 | −3% | Yes | |
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| Aug. 21, 2026 filed Aug. 20, 2026 | Baker Cary CHIEF FINANCIAL OFFICER | — | +1,054 | +25% | No | |
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| Aug. 21, 2026 filed Aug. 20, 2026 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER | — | +2,276 | +25% | No | |
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| Aug. 18, 2026 filed Aug. 17, 2026 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER | $0 | 10,000 | −3% | Yes | |
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Showing the 5 most recent of 9 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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