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      <submissionType>144</submissionType>
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        <filer>
          <filerCredentials>
            <cik>0001486360</cik>
            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <issuerInfo>
        <issuerCik>0001745916</issuerCik>
        <issuerName>PennyMac Financial Services, Inc.</issuerName>
        <secFileNumber>001-38727</secFileNumber>
        <issuerAddress>
          <com:street1>3043 Townsgate Road</com:street1>
          <com:city>Westlake Village</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91361</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>818-224-7442</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Fartaj Vandad</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>9600</noOfUnitsSold>
        <aggregateMarketValue>613813.26</aggregateMarketValue>
        <noOfUnitsOutstanding>50033203</noOfUnitsOutstanding>
        <approxSaleDate>04/26/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/25/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit grant</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>PennyMac Financial Services, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8088</amountOfSecuritiesAcquired>
        <paymentDate>02/25/2021</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>03/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit grant</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>PennyMac Financial Services, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1512</amountOfSecuritiesAcquired>
        <paymentDate>03/15/2021</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>04/26/2023</noticeDate>
        <signature>Vandad Fartaj</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001486360
  XXXXXXXX
  LIVE
  0001745916
  PennyMac Financial Services, Inc.
  001-38727
  3043 Townsgate Road
  Westlake Village
  CA
  91361
  818-224-7442
  Fartaj Vandad
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  9600
  613813.26
  50033203
  04/26/2023
  NYSE
  Common Stock
  02/25/2021
  Vesting of restricted stock unit grant
  PennyMac Financial Services, Inc.
  N
  8088
  02/25/2021
  Granted as part of issuer equity compensation plan
  Common Stock
  03/15/2021
  Vesting of restricted stock unit grant
  PennyMac Financial Services, Inc.
  N
  1512
  03/15/2021
  Granted as part of issuer equity compensation plan
  Y
  04/26/2023
  Vandad Fartaj