<SEC-DOCUMENT>0001968582-25-000972.txt : 20251001
<SEC-HEADER>0001968582-25-000972.hdr.sgml : 20251001
<ACCEPTANCE-DATETIME>20251001162654
ACCESSION NUMBER:		0001968582-25-000972
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251001
DATE AS OF CHANGE:		20251001

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HALOZYME THERAPEUTICS, INC.
		CENTRAL INDEX KEY:			0001159036
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				880488686
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-32335
		FILM NUMBER:		251364945

	BUSINESS ADDRESS:	
		STREET 1:		12390 EL CAMINO REAL
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		(858) 794-8889

	MAIL ADDRESS:	
		STREET 1:		12390 EL CAMINO REAL
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HALOZYME THERAPEUTICS INC
		DATE OF NAME CHANGE:	20040312

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLOBAL YACHT SERVICES INC
		DATE OF NAME CHANGE:	20010912

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Torley Helen
		CENTRAL INDEX KEY:			0001528185
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		12390 EL CAMINO REAL
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001528185</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001159036</issuerCik>
      <issuerName>Halozyme Therapeutics, Inc.</issuerName>
      <secFileNumber>001-32335</secFileNumber>
      <issuerAddress>
        <com:street1>12390 El Camino Real</com:street1>
        <com:city>San Diego</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>92130</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>858-794-8889</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Helen Torley</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>President, CEO, Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>J.P. Morgan Securities LLC</name>
        <address>
          <com:street1>390 Madison Avenue - 6th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>136569</noOfUnitsSold>
      <aggregateMarketValue>10015970</aggregateMarketValue>
      <noOfUnitsOutstanding>116966000</noOfUnitsOutstanding>
      <approxSaleDate>10/01/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common  Stock</securitiesClassTitle>
      <acquiredDate>10/01/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>136569</amountOfSecuritiesAcquired>
      <paymentDate>10/01/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/08/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1110239</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/09/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1128657</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/10/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1148617</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>08/11/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1260922</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>08/12/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1270123</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>08/13/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1286349</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>09/02/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1475123</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>09/03/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1488731</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Helen Torley</name>
        <address>
          <com:street1>C/o Halozyme Therapeutics, Inc.</com:street1>
          <com:street2>12390 El Camino Real</com:street2>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92130</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>09/04/2025</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>1480769</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The shares covered by this filing are stock options that will be exercised within three months from the date of this filing.</remarks>
    <noticeSignature>
      <noticeDate>10/01/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/21/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Helen Torley</signature>
    </noticeSignature>
  </formData>
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</SEC-DOCUMENT>
