As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 6/17/21  Diorio Chris Ph.D.                4          Dir.,Off.²  1:8K   Impinj Inc.                       DONNELLEY FIN… File16/FA 
 6/17/21  Dossett Jeffrey                   4          Officer²    1:8K   Impinj Inc.                       DONNELLEY FIN… File16/FA 
 6/17/21  Baker Cary                        4          Officer²    1:8K   Impinj Inc.                       DONNELLEY FIN… File16/FA 

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¹	Filing/Form Type:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.