<SEC-DOCUMENT>0001965353-24-000259.txt : 20240815
<SEC-HEADER>0001965353-24-000259.hdr.sgml : 20240815
<ACCEPTANCE-DATETIME>20240815161935
ACCESSION NUMBER:		0001965353-24-000259
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240815
DATE AS OF CHANGE:		20240815

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FISERV INC
		CENTRAL INDEX KEY:			0000798354
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				391506125
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38962
		FILM NUMBER:		241212672

	BUSINESS ADDRESS:	
		STREET 1:		600 N. VEL R. PHILLIPS AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53203
		BUSINESS PHONE:		4148795000

	MAIL ADDRESS:	
		STREET 1:		600 N. VEL R. PHILLIPS AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53203

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Chiarello Guy
		CENTRAL INDEX KEY:			0001654667
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		600 N. VEL R. PHILLIPS AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53203
</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>0001654667</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000798354</issuerCik>
      <issuerName>FISERV INC</issuerName>
      <secFileNumber>001-38962</secFileNumber>
      <issuerAddress>
        <com:street1>600 N. VEL R. PHILLIPS AVENUE</com:street1>
        <com:city>MILWAUKEE</com:city>
        <com:stateOrCountry>WI</com:stateOrCountry>
        <com:zipCode>53203</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4148795000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Chiarello Guy</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL LYNCH</name>
        <address>
          <com:street1>3455 PEACHTREE RD NE</com:street1>
          <com:street2>SUITE 1000</com:street2>
          <com:city>ATLANTA</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30326</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>24000</noOfUnitsSold>
      <aggregateMarketValue>3959278.78</aggregateMarketValue>
      <noOfUnitsOutstanding>575725190</noOfUnitsOutstanding>
      <approxSaleDate>08/15/2024</approxSaleDate>
      <securitiesExchangeName>NEW YORK</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>08/15/2024</acquiredDate>
      <natureOfAcquisitionTransaction>EXERCISE OF STOCK OPTIONS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>FISERV INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>24000</amountOfSecuritiesAcquired>
      <paymentDate>08/15/2024</paymentDate>
      <natureOfPayment>COMPENSATORY PAYMENT</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>GUY CHIARELLO</name>
        <address>
          <com:street1>600 N. VEL R. PHILLIPS AVENUE</com:street1>
          <com:city>MILWAUKEE</com:city>
          <com:stateOrCountry>WI</com:stateOrCountry>
          <com:zipCode>53203</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>06/17/2024</saleDate>
      <amountOfSecuritiesSold>24000</amountOfSecuritiesSold>
      <grossProceeds>3563225.47</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>GUY CHIARELLO</name>
        <address>
          <com:street1>600 N. VEL R. PHILLIPS AVENUE</com:street1>
          <com:city>MILWAUKE</com:city>
          <com:stateOrCountry>WI</com:stateOrCountry>
          <com:zipCode>53203</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>05/15/2024</saleDate>
      <amountOfSecuritiesSold>24000</amountOfSecuritiesSold>
      <grossProceeds>3709404.17</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>GUY CHIARELLO</name>
        <address>
          <com:street1>600 N. VEL R. PHILLIPS AVENUE</com:street1>
          <com:city>MILWAUKEE</com:city>
          <com:stateOrCountry>WI</com:stateOrCountry>
          <com:zipCode>53203</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>07/15/2024</saleDate>
      <amountOfSecuritiesSold>24000</amountOfSecuritiesSold>
      <grossProceeds>3716537.81</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/15/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>12/15/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>GUY CHIARELLO</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
