IMPINJ INC — Director's Dealing 2025

Aug 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2025-08-20

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-20	Restricted Stock Units	$0	A	15015	Disposed		Common Stock (15015)	Direct

Footnotes

F1: Each RSU represents a contingent right to receive one share of Impinj common stock.

F2: One-fourth of the shares subject to the grant shall vest on August 20, 2026, and 1/16th of the shares subject to the grant shall vest each quarter thereafter, subject to the reporting person's continued service to the Issuer through such date.