Cary Baker - 20 Feb 2026 Form 4 Insider Report for IMPINJ INC (PI)

Role: CHIEF FINANCIAL OFFICER
Signature: /s/ Yukio Morikubo, Attorney in fact for Cary Baker
Issuer symbol: PI
Transactions as of: 20 Feb 2026
Net transactions value: -$285,773
Form type: 4
Filing time: 23 Feb 2026, 16:38:29 UTC
Previous filing: 23 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Baker Cary	CHIEF FINANCIAL OFFICER	400 FAIRVIEW AVE N. SUITE 1200, SEATTLE	/s/ Yukio Morikubo, Attorney in fact for Cary Baker	23 Feb 2026	0001705407

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PI	Common Stock	Award	$0	+8,508	+10%	$0.000000	90,111	20 Feb 2026	Direct	F1
transaction	PI	Common Stock	Tax liability	$285,773	-2,234	-2.5%	$127.92	87,877	20 Feb 2026	Direct	F2

* 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 8,508 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.