Cathal G. Phelan - 01 Jan 2023 Form 4 Insider Report for IMPINJ INC (PI)

Role: Chief Innovation Officer, Director
Signature: /s/ Yukio Morikubo, Attorney in fact for Cathal G. Phelan
Issuer symbol: PI
Transactions as of: 01 Jan 2023
Net transactions value: $0
Form type: 4
Filing time: 04 Jan 2023, 18:21:43 UTC
Previous filing: 01 Nov 2022
Next filing: 21 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PI	Common Stock	Options Exercise	$0	+2,000	+13%	$0.000000	17,073	01 Jan 2023	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PI	Restricted Stock Units	Options Exercise	$0	-2,000	-25%	$0.000000	6,000	01 Jan 2023	Common Stock	2,000	$0.000000	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.
F2	The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date.