IMPINJ INC — Director's Dealing 2024

May 21, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2024-05-20

Reporting Person: PHELAN CATHAL G (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-20	Common Stock	M	1375	—	Acquired	17176	Direct
2024-05-21	Common Stock	S	708	$166.9874	Disposed	16468	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-05-20	Restricted Stock Units	$0	M	1375	Disposed		Common Stock (1375)	Direct

Footnotes

F1: These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units.

F2: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $166.90 to $167.19 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4: One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date.