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          <com:city>THE COLONY</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75056</com:zipCode>
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        <issuerContactPhone>972-464-0004</issuerContactPhone>
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          <relationshipToIssuer>Officer</relationshipToIssuer>
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        <brokerOrMarketmakerDetails>
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          <address>
            <com:street1>60 South 6th Street</com:street1>
            <com:city>Minneapolis</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55402</com:zipCode>
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        </brokerOrMarketmakerDetails>
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        <approxSaleDate>06/24/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <natureOfAcquisitionTransaction>Option Grant</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>19841</amountOfSecuritiesAcquired>
        <paymentDate>06/24/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
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          <name>David Sweitzer</name>
          <address>
            <com:street1>12 Bluestone Ln</com:street1>
            <com:city>Avon</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06001</com:zipCode>
          </address>
        </sellerDetails>
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        <amountOfSecuritiesSold>11185</amountOfSecuritiesSold>
        <grossProceeds>101194.05</grossProceeds>
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          <address>
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            <com:city>Avon</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06001</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>05/31/2024</saleDate>
        <amountOfSecuritiesSold>7715</amountOfSecuritiesSold>
        <grossProceeds>69551.50</grossProceeds>
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        <sellerDetails>
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            <com:zipCode>06001</com:zipCode>
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        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>05/31/2024</saleDate>
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        <grossProceeds>13681.33</grossProceeds>
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          <address>
            <com:street1>12 Bluestone Ln</com:street1>
            <com:city>Avon</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06001</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>06/21/2024</saleDate>
        <amountOfSecuritiesSold>16047</amountOfSecuritiesSold>
        <grossProceeds>136755.74</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/24/2024</noticeDate>
        <signature>Laura Nisbett, as Attorney-in-Fact</signature>
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text: 144
  0001685530
  XXXXXXXX
  LIVE
  0001442236
  Quest Resource Holding Corp
  001-36451
  3481 PLANO PARKWAY
  THE COLONY
  TX
  75056
  972-464-0004
  Sweitzer David P
  Officer
  Common Stock
  RBC Capital Markets, LLC
  60 South 6th Street
  Minneapolis
  MN
  55402
  19841
  165672.35
  20254584
  06/24/2024
  NASDAQ
  Common Stock
  03/15/2021
  Option Grant
  Issuer
  N
  19841
  06/24/2024
  Cash
  N
  David Sweitzer
  12 Bluestone Ln
  Avon
  CT
  06001
  Common Stock
  05/30/2024
  11185
  101194.05
  David Sweitzer
  12 Bluestone Ln
  Avon
  CT
  06001
  Common Stock
  05/31/2024
  7715
  69551.50
  David Sweitzer
  12 Bluestone Ln
  Avon
  CT
  06001
  Common Stock
  05/31/2024
  1519
  13681.33
  David Sweitzer
  12 Bluestone Ln
  Avon
  CT
  06001
  Common Stock
  06/21/2024
  16047
  136755.74
  06/24/2024
  Laura Nisbett, as Attorney-in-Fact