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CIK 0001114995 · Large accelerated filer

IMPINJ INC

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Ticker
PI
Exchange
Nasdaq
Industry
Electronic Components, NEC
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
912041398
Phone
206-517-5300
Business address
400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE, WA, 98109
Former names
IMPINJ INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$18,797,642
in 4 filings, $2.0M under 10b5-1 plans

Net −$18,797,642. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. SYLEBRA CAPITAL LLC −$16.7M Director sold 12% of stake
  2. Baker Cary −$1.6M CHIEF FINANCIAL OFFICER sold 10% of stake
  3. Rao Meera −$349K Director sold 15% of stake
  4. WASHINGTON MIRON −$139K Director sold 16% of stake
Date Insider Transaction Shares Price Value Owned after
2026-11-04 SYLEBRA CAPITAL LLC Director Sale −40,500 $184.23 $7.5M 685,752
2026-11-03 SYLEBRA CAPITAL LLC Director Sale −49,691 $185.23 $9.2M 726,252
2026-10-29 Rao Meera Director Sale 10b5-1 −1,729 $201.60 $349K 9,593
2026-10-20 Valdez Arthur L Jr Director Option exercise +1,220 1,220
2026-10-20 Valdez Arthur L Jr Director Option exercise · Restricted Stock Units −1,220 0
2026-10-12 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Gift 10b5-1 −10,000 346,265
2026-09-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +479 80,867
2026-09-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +596 81,463
2026-09-23 Baker Cary CHIEF FINANCIAL OFFICER Shares withheld for taxes −424 $177.20 $75K 81,039
2026-09-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −479 959
2026-09-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −596 3,580
2026-09-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,224 355,645
2026-09-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,817 357,462
2026-09-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Shares withheld for taxes −1,197 $177.20 $212K 356,265
2026-09-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,224 2,448
2026-09-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,817 10,904
2026-09-21 Baker Cary CHIEF FINANCIAL OFFICER Sale 10b5-1 −8,892 $185.00 $1.6M 80,388
2026-09-15 WASHINGTON MIRON Director Sale −800 $173.26 $139K 4,354
2026-09-14 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Gift 10b5-1 −10,000 354,421
2026-08-20 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +1,739 89,965

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