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

 6/13/23  Impinj Inc.                       8-K:7,9     6/13/23   11:21M                                    Donnelley … Solutions/FA 
 6/12/23  Impinj Inc.                       8-K:5        6/8/23   10:157K                                   Donnelley … Solutions/FA 
 5/23/23  Impinj Inc.                       CORRESP¶    8/15/23    1:46K                                    Donnelley … Solutions/FA 
 4/26/23  Impinj Inc.                       ARS        12/31/22    1:1.1M                                   Donnelley … Solutions/FA 
 4/26/23  Impinj Inc.                       DEFA14A                1:333K                                   Donnelley … Solutions/FA 
 4/26/23  Impinj Inc.                       DEF 14A               12:2.5M                                   Donnelley … Solutions/FA 
 11/3/22  Impinj Inc.                       S-3ASR      11/3/22    6:731K                                   Donnelley … Solutions/FA 
 4/27/22  Impinj Inc.                       DEFA14A                1:452K                                   Donnelley … Solutions/FA 
 4/27/22  Impinj Inc.                       DEF 14A      6/9/22    1:1.4M                                   Donnelley … Solutions/FA 
  2/3/22  Impinj Inc.                       8-K:5,9      2/1/22   13:199K                                   Donnelley … Solutions/FA 
 1/10/22  Impinj Inc.                       8-K:2,7,9   1/10/22   11:156K                                   Donnelley … Solutions/FA 
 11/5/21  Impinj Inc.                       8-K:1,2,3,8 11/1/21   13:969K                                   Donnelley … Solutions/FA 
 7/16/21  Impinj Inc.                       8-K/A:5     6/10/21   10:159K                                   Donnelley … Solutions/FA 
 6/11/21  Impinj Inc.                       8-K:5       6/10/21   10:152K                                   Donnelley … Solutions/FA 
 4/29/21  Impinj Inc.                       DEFA14A                1:449K                                   Donnelley … Solutions/FA 
 4/29/21  Impinj Inc.                       DEF 14A     6/10/21    1:1.1M                                   Donnelley … Solutions/FA 
 12/3/20  Impinj Inc.                       8-K:5,9    11/30/20   11:155K                                   Donnelley … Solutions/FA 
  6/8/20  Impinj Inc.                       DEFR14A      6/8/20    1:20K                                    Donnelley … Solutions/FA 
 5/20/20  Impinj Inc.                       DEFA14A     5/20/20    1:29K                                    Donnelley … Solutions/FA 
 5/20/20  Impinj Inc.                       8-K:8       5/13/20    1:17K                                    Donnelley … Solutions/FA 

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¹	Filing/Form Types:
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	ARS	Annual Report to Security Holders.
	CORRESP	Comment-Response or Other Letter to the SEC.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	DEFR14A	Definitive Revised Proxy Soliciting Material — Schedule 14A.
	S-3ASR	Automatic Shelf Registration Statement by a Well-Known Issuer — Form S-3.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
	¶	This Filing contains a delayed-release Document.