CHRIS DIORIO - 20 Aug 2025 Form 4 Insider Report for IMPINJ INC (PI)

Signature
/s/ Yukio Morikubo, Attorney in fact for Chris Diorio
Issuer symbol
PI
Transactions as of
20 Aug 2025
Transactions value $
$0
Form type
4
Filing time
21 Aug 2025, 17:44:41 UTC
Previous filing
24 Jun 2025
Next filing
29 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, Director 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE /s/ Yukio Morikubo, Attorney in fact for Chris Diorio 21 Aug 2025 0001677721

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 Award $0 -15K -50% $0.00 15K 20 Aug 2025 Common Stock 15K $0.00 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each RSU represents a contingent right to receive one share of Impinj common stock.
F2 One-fourth of the shares subject to the grant shall vest on August 20, 2026, and 1/16th of the shares subject to the grant shall vest each quarter thereafter, subject to the reporting person's continued service to the Issuer through such date.