<SEC-DOCUMENT>0001968582-25-000516.txt : 20250620
<SEC-HEADER>0001968582-25-000516.hdr.sgml : 20250620
<ACCEPTANCE-DATETIME>20250620162504
ACCESSION NUMBER:		0001968582-25-000516
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250620
DATE AS OF CHANGE:		20250620

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:		251061721

	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:		C/O ONYX PHARMACEUTICALS, INC.
		STREET 2:		249 EAST GRAND AVE.
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
</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">
  <!-- Generated by Workiva -->
  <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>240000</noOfUnitsSold>
      <aggregateMarketValue>12756000</aggregateMarketValue>
      <noOfUnitsOutstanding>123221000</noOfUnitsOutstanding>
      <approxSaleDate>06/20/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common  Stock</securitiesClassTitle>
      <acquiredDate>06/20/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>240000</amountOfSecuritiesAcquired>
      <paymentDate>06/20/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <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>06/20/2025</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>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
