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      <issuerName>CORE MOLDING TECHNOLOGIES INC</issuerName>
      <secFileNumber>001-12505</secFileNumber>
      <issuerAddress>
        <com:street1>800 MANOR PARK DRIVE</com:street1>
        <com:street2>P O BOX 28183</com:street2>
        <com:city>COLUMBUS</com:city>
        <com:stateOrCountry>OH</com:stateOrCountry>
        <com:zipCode>43228</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>614-870-5000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ANDERSON RENEE R</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>25000</noOfUnitsSold>
      <aggregateMarketValue>456000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>9068552</noOfUnitsOutstanding>
      <approxSaleDate>08/27/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/26/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Grants</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>16182</amountOfSecuritiesAcquired>
      <paymentDate>05/26/2023</paymentDate>
      <natureOfPayment>Equity Grants</natureOfPayment>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
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      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4813</amountOfSecuritiesAcquired>
      <paymentDate>06/15/2023</paymentDate>
      <natureOfPayment>Equity Grants</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/10/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Grants</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4005</amountOfSecuritiesAcquired>
      <paymentDate>08/10/2023</paymentDate>
      <natureOfPayment>Equity Grants</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Renee Anderson</name>
        <address>
          <com:street1>800 MANOR PARK DRIVE P O BOX 28183</com:street1>
          <com:city>COLUMBUS</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43228</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/19/2024</saleDate>
      <amountOfSecuritiesSold>11380</amountOfSecuritiesSold>
      <grossProceeds>203582.23</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Renee Anderson</name>
        <address>
          <com:street1>800 MANOR PARK DRIVE, P O BOX 28183</com:street1>
          <com:city>COLUMBUS</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43228</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/16/2024</saleDate>
      <amountOfSecuritiesSold>338</amountOfSecuritiesSold>
      <grossProceeds>6063.59</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Renne Anderson</name>
        <address>
          <com:street1>800 MANOR PARK DRIVE, P O BOX 28183</com:street1>
          <com:city>COLUMBUS</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43228</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/15/2024</saleDate>
      <amountOfSecuritiesSold>13282</amountOfSecuritiesSold>
      <grossProceeds>241297.84</grossProceeds>
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      <sellerDetails>
        <name>Renee Anderson</name>
        <address>
          <com:street1>800 MANOR PARK DRIVE, P O BOX 28183</com:street1>
          <com:city>Columbus</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43228</com:zipCode>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/28/2024</saleDate>
      <amountOfSecuritiesSold>10</amountOfSecuritiesSold>
      <grossProceeds>174.99</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/27/2024</noticeDate>
      <signature>Renee Anderson</signature>
    </noticeSignature>
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144
0001764040
XXXXXXXX
LIVE
0001026655
CORE MOLDING TECHNOLOGIES INC
001-12505
800 MANOR PARK DRIVE
P O BOX 28183
COLUMBUS
OH
43228
614-870-5000
ANDERSON RENEE R
Officer
Common
Charles Schwab Corp.
3000 Schwab Way
Westlake
TX
76262
25000
456000.00
9068552
08/27/2024
NYSE
Common
05/26/2023
Equity Grants
Issuer
N
16182
05/26/2023
Equity Grants
Common
06/15/2023
Equity Grants
Issuer
N
4813
06/15/2023
Equity Grants
Common
08/10/2023
Equity Grants
Issuer
N
4005
08/10/2023
Equity Grants
N
Renee Anderson
800 MANOR PARK DRIVE P O BOX 28183
COLUMBUS
OH
43228
Common
08/19/2024
11380
203582.23
Renee Anderson
800 MANOR PARK DRIVE, P O BOX 28183
COLUMBUS
OH
43228
Common
08/16/2024
338
6063.59
Renne Anderson
800 MANOR PARK DRIVE, P O BOX 28183
COLUMBUS
OH
43228
Common
08/15/2024
13282
241297.84
Renee Anderson
800 MANOR PARK DRIVE, P O BOX 28183
Columbus
OH
43228
Common
05/28/2024
10
174.99
08/27/2024
Renee Anderson