<SEC-DOCUMENT>0002003074-24-000019.txt : 20241112
<SEC-HEADER>0002003074-24-000019.hdr.sgml : 20241112
<ACCEPTANCE-DATETIME>20241112083858
ACCESSION NUMBER:		0002003074-24-000019
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241112
DATE AS OF CHANGE:		20241112

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:		241443790

	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:			SYLEBRA CAPITAL LLC
		CENTRAL INDEX KEY:			0002003074
		ORGANIZATION NAME:           	
		IRS NUMBER:				871719733
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		STREET 1:		3000 EL CAMINO REAL BUILDING 5 SUITE 450
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94306
		BUSINESS PHONE:		(332) 242-8518

	MAIL ADDRESS:	
		STREET 1:		3000 EL CAMINO REAL BUILDING 5 SUITE 450
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94306
</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>0002003074</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>SYLEBRA CAPITAL LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>78616</noOfUnitsSold>
      <aggregateMarketValue>15863757.55</aggregateMarketValue>
      <noOfUnitsOutstanding>2143736</noOfUnitsOutstanding>
      <approxSaleDate>11/11/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>12/01/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Open Market Purchases - please refer to explanatory notes under the section of Remarks.</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Open Market Purchases - please refer to explanatory notes under the section of Remarks.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>78616</amountOfSecuritiesAcquired>
      <paymentDate>12/01/2017</paymentDate>
      <natureOfPayment>DVP- Cash. Please refer to explanatory notes under the section of Remarks.</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Goldman Sachs &amp; Co. LLC</name>
        <address>
          <com:street1> 200 West Street</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10282</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>10/29/2024</saleDate>
      <amountOfSecuritiesSold>143773</amountOfSecuritiesSold>
      <grossProceeds>29034526.03</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Goldman Sachs &amp; Co. LLC </name>
        <address>
          <com:street1>200 West Street </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10282</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>10/30/2024</saleDate>
      <amountOfSecuritiesSold>32031</amountOfSecuritiesSold>
      <grossProceeds>6257416.01</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Goldman Sachs &amp; Co. LLC </name>
        <address>
          <com:street1>200 West Street </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10282</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/01/2024</saleDate>
      <amountOfSecuritiesSold>22373</amountOfSecuritiesSold>
      <grossProceeds>4362735.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Goldman Sachs &amp; Co. LLC </name>
        <address>
          <com:street1>200 West Street </com:street1>
          <com:city>New York  </com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10282</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/04/2024</saleDate>
      <amountOfSecuritiesSold>51823</amountOfSecuritiesSold>
      <grossProceeds>10106671.75</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/04/2024</saleDate>
      <amountOfSecuritiesSold>43847</amountOfSecuritiesSold>
      <grossProceeds>8569106.90</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC</name>
        <address>
          <com:street1> 1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/05/2024</saleDate>
      <amountOfSecuritiesSold>206153</amountOfSecuritiesSold>
      <grossProceeds>40526051.51</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/06/2024</saleDate>
      <amountOfSecuritiesSold>89809</amountOfSecuritiesSold>
      <grossProceeds>18121363.65</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/07/2024</saleDate>
      <amountOfSecuritiesSold>135191</amountOfSecuritiesSold>
      <grossProceeds>27258993.94</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/08/2024</saleDate>
      <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
      <grossProceeds>5053455.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Goldman Sachs &amp; Co. LLC </name>
        <address>
          <com:street1>200 West Street </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/08/2024</saleDate>
      <amountOfSecuritiesSold>225000</amountOfSecuritiesSold>
      <grossProceeds>45697027.50</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Morgan Stanley &amp; Co. LLC </name>
        <address>
          <com:street1>1585 Broadway </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>11/11/2024</saleDate>
      <amountOfSecuritiesSold>78616</amountOfSecuritiesSold>
      <grossProceeds>15863757.55</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Please note that the securities to be sold were acquired from Dec 2017 to Aug 2023 and the date of payment ranged from Dec 2017 to Aug 2023. The reporting person hereby undertakes to provide upon request to the SEC staff or theissuer full information regarding the number of shares and prices at which the transactions were effected.</remarks>
    <noticeSignature>
      <noticeDate>11/11/2024</noticeDate>
      <signature>Matthew Whitehead</signature>
    </noticeSignature>
  </formData>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
