Management Change/Compensation (Form 8-K)

Item 5.02.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On October 20, 2025, the Board of Directors (the "Board") of Impinj, Inc. (the "Company") set the size of the Board at seven directors and appointed Arthur L. Valdez Jr. to serve as a director, with an initial term expiring at the Company's next annual meeting of stockholders, in each case effective as of October 20, 2025.

There are no arrangements or understandings between Mr. Valdez, on the one hand, and the Company or any other persons, on the other hand, pursuant to which Mr. Valdez was selected as a director. There are no related party transactions between the Company and Mr. Valdez (or any of his immediate family members) requiring disclosure under Item 404(a) of Regulation S-K. Mr. Valdez does not have any family relationships with any of the Company's directors or executive officers. Mr. Valdez will participate in the Company's outside director compensation policy as in effect from time to time. In addition, Mr. Valdez will enter into a standard indemnification agreement in the form previously approved by the Board.