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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
2026-08-20 Baker Cary CHIEF FINANCIAL OFFICER Shares withheld for taxes −685 $159.73 $109K 89,280
2026-08-20 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −1,739 5,219
2026-08-20 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +3,753 365,898
2026-08-20 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Shares withheld for taxes −1,477 $159.73 $236K 364,421
2026-08-20 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −3,753 11,262
2026-08-17 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Gift 10b5-1 −10,000 362,145
2026-08-10 Baker Cary CHIEF FINANCIAL OFFICER Sale 10b5-1 −1,429 $185.00 $264K 88,226
2026-07-13 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Gift 10b5-1 −10,000 372,145
2026-06-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +479 89,482
2026-06-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +597 90,079
2026-06-23 Baker Cary CHIEF FINANCIAL OFFICER Shares withheld for taxes −424 $125.22 $53K 89,655
2026-06-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −479 1,438
2026-06-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −597 4,176
2026-06-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,223 381,525
2026-06-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,817 383,342
2026-06-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Shares withheld for taxes −1,197 $125.22 $150K 382,145
2026-06-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,223 3,672
2026-06-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,817 12,721
2026-06-15 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Gift 10b5-1 −10,000 380,302
2026-06-09 SYLEBRA CAPITAL LLC Director Sale −19,105 $127.36 $2.4M 775,943

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