X0206 3 2016-07-20 0 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 COMMON STOCK 383332 D COMMON STOCK 699999 I by DFT L.L.C COMMON STOCK 12500 I by Diorio Children's Trust STOCK OPTION (RTB) 1.2 2012-08-08 2022-08-08 COMMON STOCK 29166 D STOCK OPTION (RTB) 1.2 2022-10-29 COMMON STOCK 33333 D STOCK OPTION (RTB) 1.44 2023-12-03 COMMON STOCK 16666 D STOCK OPTION (RTB) 5.04 2025-04-27 COMMON STOCK 6250 D SERIES 2 PREFERRED STOCK 0 COMMON STOCK 3985 D Reflects a 1-for-12 reverse stock split of the Issuer's outstanding shares effected July 8, 2016. The option became fully vested on July 1, 2016. The option became fully vested on April 30, 2015. The option is subject to an early exercise provision and is immediately exercisable. One-forty-eighth of the shares subject to the option vested on December 4, 2013, and 1/48th of the shares subject to the option vest on the first day of each month thereafter. The option is subject to an early exercise provision and is immediately exercisable. The option was granted subject to the achievement of certain performance milestones in 2015 which were not achieved and subsequently waived by the board of directors on January 14, 2016. Nine-forty-eighth of the shares subject to the option vested on January 28, 2016, and one forty-eighth of the shares subject to the option vest each month thereafter. The Series 2 Preferred Stock will automatically convert to shares of the Issuer's Common Stock upon the closing of the Issuer's initial public offering on a 1.24996780424983-for-1 basis. Each shares has no expiration date. Power of Attorney Yukio Morikubo, Attorney in fact for Chris Diorio 2016-07-20