CHRIS PH.D. DIORIO - 20 Feb 2026 Form 4 Insider Report for IMPINJ INC (PI)

Signature
/s/ Yukio Morikubo, Attorney in fact for Chris Diorio
Issuer symbol
PI
Transactions as of
20 Feb 2026
Net transactions value
-$951,085
Form type
4
Filing time
23 Feb 2026, 16:35:05 UTC
Previous filing
19 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, Director 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE /s/ Yukio Morikubo, Attorney in fact for Chris Diorio 23 Feb 2026 0001677721

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PI Common Stock Award $0 +21,734 +5.8% $0.000000 394,320 20 Feb 2026 Direct F1
transaction PI Common Stock Tax liability $951,085 -7,435 -1.9% $127.92 386,885 20 Feb 2026 Direct F2
holding PI Common Stock 199,362 20 Feb 2026 by DFT L.L.C.
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 23, 2023, the Reporting Person was granted performance restricted stock units (PSUs). The PSUs vested upon the Reporting Person's satisfaction of certain performance criteria. On February 18, 2026, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 21,734 shares of Common Stock underlying the PSUs.
F2 In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of the PSUs.