Form4insider filings, from the source

Company · CIK 0001114995 · SIC 3679 — Electronic Components, NEC · Nasdaq

IMPINJ INC · PI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.0M · 3net −$2.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 FMForm 4 →Sep 24, 6:07 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director4,238$177.20$212,108356,265—
Sep 23, 2026 FMForm 4 →Sep 24, 6:06 pm EDTCary BakerCHIEF FINANCIAL OFFICER1,499$177.20$75,13381,039—
Sep 21, 2026 SForm 4 →Sep 21, 5:50 pm EDTCary BakerCHIEF FINANCIAL OFFICER8,892$185.00$1,645,02080,388−9.96%10b5-1
Sep 15, 2026 SForm 4 →Sep 16, 4:31 pm EDTMiron WashingtonDirector800$173.26$138,6084,354−15.5%
Sep 14, 2026 GForm 4 →Sep 15, 4:47 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director10,000——354,421—10b5-1
Aug 20, 2026 FMForm 4 →Aug 21, 7:10 pm EDTCary BakerCHIEF FINANCIAL OFFICER2,424$159.73$109,41589,280—
Aug 20, 2026 FMForm 4 →Aug 21, 7:08 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director5,230$159.73$235,921364,421—
Aug 17, 2026 GForm 4 →Aug 18, 4:51 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director10,000——362,145—10b5-1
Aug 10, 2026 SForm 4 →Aug 12, 4:50 pm EDTCary BakerCHIEF FINANCIAL OFFICER1,429$185.00$264,36588,226−1.59%10b5-1
Jul 13, 2026 GForm 4 →Jul 14, 4:36 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director10,000——372,145—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 MForm 4 →Sep 24, 6:07 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director3,041——10,904—
Sep 23, 2026 MForm 4 →Sep 24, 6:06 pm EDTCary BakerCHIEF FINANCIAL OFFICER1,075——3,580—
Aug 20, 2026 MForm 4 →Aug 21, 7:10 pm EDTCary BakerCHIEF FINANCIAL OFFICER1,739——5,219—
Aug 20, 2026 MForm 4 →Aug 21, 7:08 pm EDTChris Diorio Ph.D.CHIEF EXECUTIVE OFFICER, Director3,753——11,262—