<SEC-DOCUMENT>0001921094-24-000972.txt : 20240731
<SEC-HEADER>0001921094-24-000972.hdr.sgml : 20240731
<ACCEPTANCE-DATETIME>20240731161223
ACCESSION NUMBER:		0001921094-24-000972
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240731
DATE AS OF CHANGE:		20240731

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-37824
		FILM NUMBER:		241162071

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DOSSETT JEFFREY
		CENTRAL INDEX KEY:			0001578147
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		400 FAIRVIEW AVE. N
		STREET 2:		SUITE 1200
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001578147</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001114995</issuerCik>
      <issuerName>IMPINJ INC</issuerName>
      <secFileNumber>001-37824</secFileNumber>
      <issuerAddress>
        <com:street1>400 FAIRVIEW AVENUE NORTH</com:street1>
        <com:street2>SUITE 1200</com:street2>
        <com:city>SEATTLE</com:city>
        <com:stateOrCountry>WA</com:stateOrCountry>
        <com:zipCode>98109</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>206-517-5300</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DOSSETT JEFFREY</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>30000</noOfUnitsSold>
      <aggregateMarketValue>4734166.00</aggregateMarketValue>
      <noOfUnitsOutstanding>28116027</noOfUnitsOutstanding>
      <approxSaleDate>07/31/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>07/31/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Employee Stock Option Exercise - See Remarks</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>IMPINJ, INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>30000</amountOfSecuritiesAcquired>
      <paymentDate>07/31/2024</paymentDate>
      <natureOfPayment>Broker Payment for Cashless Exercise</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>JEFFREY DOSSETT</name>
        <address>
          <com:street1>400 Fairview Avenue North, Suite 1200</com:street1>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98109</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>IMPINJ, INC</securitiesClassTitle>
      <saleDate>06/17/2024</saleDate>
      <amountOfSecuritiesSold>739</amountOfSecuritiesSold>
      <grossProceeds>110761.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>JEFFREY DOSSETT</name>
        <address>
          <com:street1>400 Fairview Avenue North, Suite 1200</com:street1>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98109</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>IMPINJ, INC</securitiesClassTitle>
      <saleDate>06/24/2024</saleDate>
      <amountOfSecuritiesSold>584</amountOfSecuritiesSold>
      <grossProceeds>86189.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>JEFFREY DOSSETT</name>
        <address>
          <com:street1>400 Fairview Avenue North, Suite 1200</com:street1>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98109</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>IMPINJ, INC</securitiesClassTitle>
      <saleDate>07/15/2024</saleDate>
      <amountOfSecuritiesSold>475</amountOfSecuritiesSold>
      <grossProceeds>83307.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The options covered by this filing, may be sold over various dates.</remarks>
    <noticeSignature>
      <noticeDate>07/31/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/01/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>JEFFREY DOSSETT</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
