<?xml version="1.0" encoding="UTF-8"?><own:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:own="http://www.sec.gov/edgar/ownership">
  <!-- Generated by Workiva -->
  <own:headerData>
    <own:submissionType>144</own:submissionType>
    <own:filerInfo>
      <own:filer>
        <own:filerCredentials>
          <own:cik>0001164470</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>0001796209</own:issuerCik>
      <own:issuerName>APi Group Corporation</own:issuerName>
      <own:secFileNumber>001-39275</own:secFileNumber>
      <own:issuerAddress>
        <com:street1>1100 Old Highway 8 NW</com:street1>
        <com:city>New Brighton</com:city>
        <com:stateOrCountry>MN</com:stateOrCountry>
        <com:zipCode>55112</com:zipCode>
      </own:issuerAddress>
      <own:issuerContactPhone>651-636-4320</own:issuerContactPhone>
      <own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>James E. Lillie</own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <own:relationshipsToIssuer>
        <own:relationshipToIssuer>Director</own:relationshipToIssuer>
      </own:relationshipsToIssuer>
    </own:issuerInfo>
    <own:securitiesInformation>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:brokerOrMarketmakerDetails>
        <own:name>J.P. Morgan Securities LLC</own:name>
        <own:address>
          <com:street1>270 Park Avenue, 10th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </own:address>
      </own:brokerOrMarketmakerDetails>
      <own:noOfUnitsSold>375000</own:noOfUnitsSold>
      <own:aggregateMarketValue>14880000</own:aggregateMarketValue>
      <own:noOfUnitsOutstanding>432160297</own:noOfUnitsOutstanding>
      <own:approxSaleDate>08/03/2026</own:approxSaleDate>
      <own:securitiesExchangeName>NYSE</own:securitiesExchangeName>
    </own:securitiesInformation>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>10/10/2017</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Transfer to JTOO LLC</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>80617</own:amountOfSecuritiesAcquired>
      <own:paymentDate>10/10/2017</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>10/05/2017</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Transfer to JTOO LLC</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>204383</own:amountOfSecuritiesAcquired>
      <own:paymentDate>10/05/2017</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>10/02/2019</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Transfer to James Lillie and Lisa Sheffield</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>75000</own:amountOfSecuritiesAcquired>
      <own:paymentDate>10/02/2019</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>10/10/2017</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Transfer to Lillie Family Foundation</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>15000</own:amountOfSecuritiesAcquired>
      <own:paymentDate>10/10/2017</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:nothingToReportFlagOnSecuritiesSoldInPast3Months>N</own:nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>JTOO LLC</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/04/2026</own:saleDate>
      <own:amountOfSecuritiesSold>225539</own:amountOfSecuritiesSold>
      <own:grossProceeds>10108157</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>JTOO LLC</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/05/2026</own:saleDate>
      <own:amountOfSecuritiesSold>59461</own:amountOfSecuritiesSold>
      <own:grossProceeds>2705142</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>James Lillie &amp; Lisa Sheffield</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/04/2026</own:saleDate>
      <own:amountOfSecuritiesSold>59352</own:amountOfSecuritiesSold>
      <own:grossProceeds>2660025</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>James Lillie &amp; Lisa Sheffield</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/05/2026</own:saleDate>
      <own:amountOfSecuritiesSold>15648</own:amountOfSecuritiesSold>
      <own:grossProceeds>711896</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Lillie Family Foundation</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/04/2026</own:saleDate>
      <own:amountOfSecuritiesSold>11871</own:amountOfSecuritiesSold>
      <own:grossProceeds>532032</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Lillie Family Foundation</own:name>
        <own:address>
          <com:street1>C/o APi Group Corporation</com:street1>
          <com:street2>1100 Old Highway 8 NW</com:street2>
          <com:city>New Brighton</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55112</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:saleDate>05/05/2026</own:saleDate>
      <own:amountOfSecuritiesSold>3129</own:amountOfSecuritiesSold>
      <own:grossProceeds>142352</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:remarks>Of the shares filed today,  285,000 shares will be sold by the JTOO LLC,  James E. Lillie as Manager,  75,000 shares will be sold by James Lillie and Lisa Sheffield, and 15,000 shares will be sold by the Lillie Family Foundation, James E. Lillie as Trustee.  The shares will be sold today or within 3 months from the date of this filing.</own:remarks>
    <own:noticeSignature>
      <own:noticeDate>08/03/2026</own:noticeDate>
      <own:planAdoptionDates>
        <own:planAdoptionDate>05/08/2025</own:planAdoptionDate>
      </own:planAdoptionDates>
      <own:signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for James E. Lillie</own:signature>
    </own:noticeSignature>
  </own:formData>
</own:edgarSubmission>
