<SEC-DOCUMENT>0001026655-23-000160.txt : 20230914
<SEC-HEADER>0001026655-23-000160.hdr.sgml : 20230914
<ACCEPTANCE-DATETIME>20230914174427
ACCESSION NUMBER:		0001026655-23-000160
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230912
FILED AS OF DATE:		20230914
DATE AS OF CHANGE:		20230914

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUVALL DAVID L.
		CENTRAL INDEX KEY:			0001757008

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12505
		FILM NUMBER:		231256072

	MAIL ADDRESS:	
		STREET 1:		800 MANOR PARK DRIVE
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43228

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORE MOLDING TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001026655
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS PRODUCTS, NEC [3089]
		IRS NUMBER:				311481870
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 MANOR PARK DRIVE
		STREET 2:		P O BOX 28183
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43228
		BUSINESS PHONE:		8006666960

	MAIL ADDRESS:	
		STREET 1:		800 MANOR PARK DR
		STREET 2:		P O BOX 28183
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORE MATERIALS CORP
		DATE OF NAME CHANGE:	19961107
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1694727857.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-09-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001026655</issuerCik>
        <issuerName>CORE MOLDING TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>CMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001757008</rptOwnerCik>
            <rptOwnerName>DUVALL DAVID L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 MANOR PARK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COLUMBUS</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>43228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-09-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>133</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.5156</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>447513</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-09-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6098</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.368</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>441415</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting persons sale of CMT common stock reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 2,500 shares, with the reporting persons purchase of 2,500 shares of CMT common stock at a price of $20.1852 per share on June 26, 2023. The reporting person has agreed to pay to CMT, upon settlement of the sale, the full amount of the profit realized in connection with the short-swing transactions effected within the applicable measurement period, less transaction costs. The reporting person has further agreed to pay CMT any further profits that result from future sales.</footnote>
        <footnote id="F2">The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from 25.20 to 25.55, inclusive. The reporting person undertakes to provide to Core Molding Technologies, Inc. or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John P. Zimmer, as attorney-in-fact</signatureName>
        <signatureDate>2023-09-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
