IMPINJ INC - Director's Dealing 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2025-06-05

Reporting Person: SANGHI STEVE (N/A)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-05	Common Stock	M	1992	—	Acquired	9849	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-05	Restricted Stock Units	$0	M	1992	Disposed		Common Stock (1992)	Direct
2025-06-05	Restricted Stock Units	$0	A	3425	Acquired		Common Stock (3425)	Direct

Security	Shares	Ownership
Common Stock	40200	Indirect

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F2: On June 6, 2024, the reporting person was granted 1,992 RSUs. These RSUs fully vested on June 5, 2025.

F3: The RSUs will fully vest on the earlier of June 5, 2026 or the date of the 2026 annual meeting of stockholders.