IMPINJ INC — Director's Dealing 2025

May 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2025-05-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-01	Common Stock	J	288132	—	Disposed	199362	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	362694	Direct

Footnotes

F1: Distribution of shares of Common Stock held in a trust managed by an independent trustee for the benefit of the reporting person's descendants by DFT L.L.C. for no consideration. Following the transaction, the reporting person is no longer the beneficial owner of the shares of Common Stock.