Meera Rao - 05 Jun 2025 Form 4 Insider Report for IMPINJ INC (PI)

Role: Director
Signature: /s/ Yukio Morikubo, Attorney-in-fact for Meera Rao
Issuer symbol: PI
Transactions as of: 05 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 06 Jun 2025, 16:48:23 UTC
Previous filing: 03 Apr 2025
Next filing: 04 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rao Meera	Director	C/O IMPINJ, INC., 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE	/s/ Yukio Morikubo, Attorney-in-fact for Meera Rao	06 Jun 2025	0001480603

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PI	Common Stock	Options Exercise	$0	+1,811	+28%	$0.000000	8,208	05 Jun 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PI	Restricted Stock Units	Options Exercise	$0	-1,811	-100%	$0.000000	0	05 Jun 2025	Common Stock	1,811	$0.000000	Direct	F1, F2
transaction	PI	Restricted Stock Units	Award	$0	+3,114		$0.000000	3,114	05 Jun 2025	Common Stock	3,114	$0.000000	Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.
F2	On June 6, 2024, the reporting person was granted 1,811 RSUs. These RSUs fully vested on June 5, 2025.
F3	The RSUs will fully vest on the earlier of June 5, 2026 or the date of the 2026 annual meeting of stockholders.