IMPINJ INC — Director's Dealing 2025

Sep 19, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2025-09-18

Reporting Person: DIORIO CHRIS PH.D. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-18	Common Stock	M	47039	$33.77	Acquired	344052	Direct
2025-09-18	Common Stock	M	7036	$22.40	Acquired	351088	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-18	Stock Option (right to buy)	$33.77	M	47039	Disposed	2027-08-11	Common Stock (47039)	Direct
2025-09-18	Stock Option (right to buy)	$22.40	M	7036	Disposed	2028-06-15	Common Stock (7036)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	199362	Indirect

Footnotes

F1: The option became fully vested on July 3, 2021.

F2: The option became fully vested on June 11, 2022.