CHRIS PH.D. DIORIO - 10 Feb 2025 Form 4 Insider Report for IMPINJ INC (PI)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Yukio Morikubo, Attorney in fact for Chris Diorio
Issuer symbol: PI
Transactions as of: 10 Feb 2025
Net transactions value: +$224,000
Form type: 4
Filing time: 12 Feb 2025, 17:22:51 UTC
Previous filing: 14 Jan 2025
Next filing: 24 Feb 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PI	Common Stock	Options Exercise	$224,000	+10,000	+3%	$22.40	343,856	10 Feb 2025	Direct
transaction	PI	Common Stock	Gift	$0	-1,830	-0.53%	$0.000000	342,026	10 Feb 2025	Direct
transaction	PI	Common Stock	Gift	$0	-366	-0.11%	$0.000000	341,660	11 Feb 2025	Direct
holding	PI	Common Stock						487,494	10 Feb 2025	by DFT L.L.C.

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	Stock Option (right to buy)	Options Exercise	$0	-10,000	-25%	$0.000000	30,536	10 Feb 2025	Common Stock	10,000	$22.40	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The option became fully vested on June 11, 2022.