<SEC-DOCUMENT>0000034067-20-000165.txt : 20201117
<SEC-HEADER>0000034067-20-000165.hdr.sgml : 20201117
<ACCEPTANCE-DATETIME>20201117165650
ACCESSION NUMBER:		0000034067-20-000165
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201116
FILED AS OF DATE:		20201117
DATE AS OF CHANGE:		20201117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KUTA MICHAEL
		CENTRAL INDEX KEY:			0001603342

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14775
		FILM NUMBER:		201321814

	MAIL ADDRESS:	
		STREET 1:		C/O DYNAMIC MATERIALS CORPORATION
		STREET 2:		5405 SPINE ROAD
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DMC Global Inc.
		CENTRAL INDEX KEY:			0000034067
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS PRIMARY METAL PRODUCTS [3390]
		IRS NUMBER:				840608431
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11800 RIDGE PARKWAY
		STREET 2:		SUITE 300
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021
		BUSINESS PHONE:		3036655700

	MAIL ADDRESS:	
		STREET 1:		11800 RIDGE PARKWAY
		STREET 2:		SUITE 300
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DYNAMIC MATERIALS CORP
		DATE OF NAME CHANGE:	19941205

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EXPLOSIVE FABRICATORS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_160565019765615.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000034067</issuerCik>
        <issuerName>DMC Global Inc.</issuerName>
        <issuerTradingSymbol>BOOM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001603342</rptOwnerCik>
            <rptOwnerName>KUTA MICHAEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DMC GLOBAL INC.</rptOwnerStreet1>
            <rptOwnerStreet2>11800 RIDGE PARKWAY, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>BROOMFIELD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80021</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-11-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13469</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.16</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13469.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Deferred Stock represents the right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">Pursuant to the DMC Global Inc. Deferred Compensation Plan (the &quot;Plan&quot;), the reporting person reinvested the Deferred Stock into alternative investments contained in the Plan.</footnote>
        <footnote id="F3">The Deferred Stock is fully vested.</footnote>
        <footnote id="F4">The Deferred Stock would have been delivered to the reporting person in equal amounts annually over 10 years following separation from service.  The reporting person was allowed to transfer the Deferred Stock into an alternative investment six months and one day following vesting of the Deferred Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Andrew Nelson, by Power of Attorney</signatureName>
        <signatureDate>2020-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
