<SEC-DOCUMENT>0001026655-23-000108.txt : 20230526
<SEC-HEADER>0001026655-23-000108.hdr.sgml : 20230526
<ACCEPTANCE-DATETIME>20230526082408
ACCESSION NUMBER:		0001026655-23-000108
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230515
FILED AS OF DATE:		20230526
DATE AS OF CHANGE:		20230526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CELLITTI THOMAS R
		CENTRAL INDEX KEY:			0001249659

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12505
		FILM NUMBER:		23963159

	MAIL ADDRESS:	
		STREET 1:		493 S KENILWORTH AVENUE
		CITY:			ELMHURST
		STATE:			IL
		ZIP:			60126

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/A
<SEQUENCE>1
<FILENAME>wk-form4a_1685103837.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2023-05-15</periodOfReport>

    <dateOfOriginalSubmission>2023-05-16</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249659</rptOwnerCik>
            <rptOwnerName>CELLITTI THOMAS R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CORE MOLDING TECHNOLOGIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>800 MANOR PARK DRIVE</rptOwnerStreet2>
            <rptOwnerCity>COLUMBUS</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>43228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-05-15</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21643</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.49</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>105943</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The date in Column 2 is the earliest transaction date. These shares were purchased over multiple days, 05/15/2023 and 05/16/2023, inclusive. The reporting person undertakes to provide to Core Molding Technologies, Inc. or the staff of the Securities Exchange Commission, upon request.</footnote>
        <footnote id="F2">This amendment is to correct the quantity for the reported transaction, which was incorrectly stated in the initial form 4 filed on May 16, 2023. The quantity sold is 21,643 shares instead of 21,463 as initially stated.</footnote>
        <footnote id="F3">The price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from 18.75 to 20.30, 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 purchased 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>2023-05-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
