<?xml version="1.0" encoding="UTF-8"?><own:edgarSubmission xmlns:own="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <own:headerData>
    <own:submissionType>144</own:submissionType>
    <own:filerInfo>
      <own:filer>
        <own:filerCredentials>
          <own:cik>0001591475</own:cik>
          <own:ccc>XXXXXXXX</own:ccc>
        </own:filerCredentials>
      </own:filer>
      <own:liveTestFlag>LIVE</own:liveTestFlag>



    </own:filerInfo>
  </own:headerData>
  <own:formData>
    <own:issuerInfo>
      <own:issuerCik>0001157601</own:issuerCik>
      <own:issuerName>Madrigal Pharmaceuticals, Inc.</own:issuerName>
      <own:issuerAddress>
        <com:street1>Four Towers Bridge</com:street1>
        <com:street2>200 Barr Harbor Drive, Suite 200</com:street2>
        <com:city>West Conshohocken</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>19428</com:zipCode>
      </own:issuerAddress>
      <own:issuerContactPhone>267-824-2827</own:issuerContactPhone>
      <own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>David Soergel</own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <own:relationshipsToIssuer>
        <own:relationshipToIssuer>Officer</own:relationshipToIssuer>
      </own:relationshipsToIssuer>
    </own:issuerInfo>
    <own:securitiesInformation>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:brokerOrMarketmakerDetails>
        <own:name>Morgan Stanley Smith Barney LLC Executive Financial Services</own:name>
        <own:address>
          <com:street1>1 New York Plaza, 8th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10004</com:zipCode>
        </own:address>
      </own:brokerOrMarketmakerDetails>
      <own:noOfUnitsSold>844</own:noOfUnitsSold>
      <own:aggregateMarketValue>441994.36</own:aggregateMarketValue>
      <own:noOfUnitsOutstanding>23055659</own:noOfUnitsOutstanding>
      <own:approxSaleDate>05/18/2026</own:approxSaleDate>
      <own:securitiesExchangeName>Nasdaq Stock Market</own:securitiesExchangeName>
    </own:securitiesInformation>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>05/15/2026</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Restricted Stock Unit Grant</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>844</own:amountOfSecuritiesAcquired>
      <own:paymentDate>05/18/2026</own:paymentDate>
      <own:natureOfPayment>Vesting of Restricted Stock Units</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</own:nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <own:remarks>The sale of shares of common stock reported on this Form 144 represents the sale of shares pursuant to a sell-to-cover transaction in order to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units previously granted to the Reporting Person.</own:remarks>
    <own:noticeSignature>
      <own:noticeDate>05/18/2026</own:noticeDate>
      <own:signature>/s/ David Soergel</own:signature>
    </own:noticeSignature>
  </own:formData>
</own:edgarSubmission>
