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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
2026-05-07 SYLEBRA CAPITAL LLC Director Sale −36,171 $152.73 $5.5M 1,095,981
2026-05-07 SYLEBRA CAPITAL LLC Director Sale −36,171 $152.73 $5.5M 1,132,152
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +782 88,659
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +479 89,138
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise +597 89,735
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Shares withheld for taxes −732 $101.17 $74K 89,003
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −782 0
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −479 1,917
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −597 4,773
2026-03-23 Baker Cary CHIEF FINANCIAL OFFICER Grant or award · Restricted Stock Units +7,627 7,627
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +2,594 389,479
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,224 390,703
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise +1,817 392,520
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Shares withheld for taxes −2,218 $101.17 $224K 390,302
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −2,594 0
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,224 4,895
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Units −1,817 14,538
2026-03-23 DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER Grant or award · Restricted Stock Units +24,806 24,806
2026-02-20 Baker Cary CHIEF FINANCIAL OFFICER Grant or award +8,508 90,111
2026-02-20 Baker Cary CHIEF FINANCIAL OFFICER Shares withheld for taxes −2,234 $127.92 $286K 87,877

Page 5 of 106 · 2,104 trades