X0306 4 2020-06-15 false 0001114995 IMPINJ INC PI 0001677721 DIORIO CHRIS PH.D. 400 FAIRVIEW AVE N. SUITE 1200 SEATTLE WA 98109 true true false false Chief Executive Officer Restricted Stock Units 0 2020-06-15 4 A false 25000 0 A COMMON STOCK 25000 25000 D Stock Option (Right to Buy) 26.84 2020-06-15 4 A false 100000 0 A 2030-06-15 COMMON STOCK 100000 100000 D Each restricted stock unit represents a contingent right to receive one share of Impinj common stock. One-fourth of the shares subject to the grant shall vest on June 15, 2021, 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. One-fourth of the shares subject to the option shall vest on June 15, 2021, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date. Yukio Morikubo, Attorney in fact for Chris Diorio 2020-06-17