<SEC-DOCUMENT>0001401257-18-000025.txt : 20180220
<SEC-HEADER>0001401257-18-000025.hdr.sgml : 20180220
<ACCEPTANCE-DATETIME>20180220164835
ACCESSION NUMBER:		0001401257-18-000025
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180216
FILED AS OF DATE:		20180220
DATE AS OF CHANGE:		20180220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OTOOLE TERENCE M
		CENTRAL INDEX KEY:			0001029627

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35504
		FILM NUMBER:		18625378

	MAIL ADDRESS:	
		STREET 1:		85 BROAD STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tinicum FET, LLC
		CENTRAL INDEX KEY:			0001550985
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35504
		FILM NUMBER:		18625377

	BUSINESS ADDRESS:	
		STREET 1:		40TH FLOOR
		STREET 2:		800 THIRD AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-446-9314

	MAIL ADDRESS:	
		STREET 1:		40TH FLOOR
		STREET 2:		800 THIRD AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FORUM ENERGY TECHNOLOGIES, INC.
		CENTRAL INDEX KEY:			0001401257
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL & GAS FILED MACHINERY & EQUIPMENT [3533]
		IRS NUMBER:				611488595
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		920 MEMORIAL CITY WAY
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
		BUSINESS PHONE:		713-351-7900

	MAIL ADDRESS:	
		STREET 1:		920 MEMORIAL CITY WAY
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORUM OILFIELD TECHNOLOGIES, INC.
		DATE OF NAME CHANGE:	20100726

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORUM OILFIELD TECHNOLOGIES INC
		DATE OF NAME CHANGE:	20070529
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151916329937109.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-02-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001401257</issuerCik>
        <issuerName>FORUM ENERGY TECHNOLOGIES, INC.</issuerName>
        <issuerTradingSymbol>FET</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001029627</rptOwnerCik>
            <rptOwnerName>OTOOLE TERENCE M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 THIRD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>40TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001550985</rptOwnerCik>
            <rptOwnerName>Tinicum FET, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 THIRD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>40TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-02-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2707306</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents an award of restricted stock under the Forum Energy Technologies, Inc. 2016 Stock and Incentive Plan (the &quot;Plan&quot;). Each share of restricted stock, par value $0.01 per share, is subject to transferability and other restrictions that lapse upon vesting of the restricted stock. The restricted stock award vests in full on the one year anniversary of the date of grant, subject to accelerated vesting of the entire award upon a Change in Control (as defined in the Plan). The restricted stock agreement also includes dividend and voting rights.</footnote>
        <footnote id="F2">Represents 2,666,666 shares of common stock that are directly owned by Tinicum FET, LLC, a Delaware limited liability company (&quot;Tinicum FET&quot;), and 33,948 vested shares of restricted stock and 6,692 vested restricted stock units previously issued to Mr. O'Toole in connection with his service on Forum Energy Technologies, Inc.'s Board of Directors.</footnote>
        <footnote id="F3">The manager of Tinicum FET is Tinicum Lantern III L.L.C., a Delaware limited liability company (&quot;Tinicum Lantern III&quot;). Mr. O'Toole is a co-managing member of Tinicum Lantern III. As such, Mr. O'Toole may be deemed to share investment control over Tinicum FET's portfolio. Mr. O'Toole disclaims beneficial ownership of the shares held by Tinicum FET, except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Terence M. O'Toole by John C. Ivascu as Attorney-in-Fact</signatureName>
        <signatureDate>2018-02-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tinicum FET, LLC</signatureName>
        <signatureDate>2018-02-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
