<SEC-DOCUMENT>0000950170-25-057460-index.html : 20250423
<SEC-HEADER>0000950170-25-057460.hdr.sgml : 20250423
<ACCEPTANCE-DATETIME>20250423163202
ACCESSION NUMBER:		0000950170-25-057460
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20250423
DATE AS OF CHANGE:		20250423

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMPINJ INC
		CENTRAL INDEX KEY:			0001114995
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				912041398
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37824
		FILM NUMBER:		25862039

	BUSINESS ADDRESS:	
		STREET 1:		400 FAIRVIEW AVENUE NORTH
		STREET 2:		SUITE 1200
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
		BUSINESS PHONE:		206-517-5300

	MAIL ADDRESS:	
		STREET 1:		400 FAIRVIEW AVENUE NORTH
		STREET 2:		SUITE 1200
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>2025_proxy_card.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: 2025_proxy_card.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img96085055_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img96085055_0.jpg

</DOCUMENT>
</SEC-DOCUMENT>