<SEC-DOCUMENT>0001699136-22-000064.txt : 20220401
<SEC-HEADER>0001699136-22-000064.hdr.sgml : 20220401
<ACCEPTANCE-DATETIME>20220401172517
ACCESSION NUMBER:		0001699136-22-000064
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220401
FILED AS OF DATE:		20220401
DATE AS OF CHANGE:		20220401

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cactus WH Enterprises, LLC
		CENTRAL INDEX KEY:			0001701768
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38390
		FILM NUMBER:		22799467

	BUSINESS ADDRESS:	
		STREET 1:		ONE GREENWAY PLAZA
		STREET 2:		SUITE 200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046
		BUSINESS PHONE:		713-626-8800

	MAIL ADDRESS:	
		STREET 1:		ONE GREENWAY PLAZA
		STREET 2:		SUITE 200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cactus, Inc.
		CENTRAL INDEX KEY:			0001699136
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL & GAS FILED MACHINERY & EQUIPMENT [3533]
		IRS NUMBER:				352586106
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		920 MEMORIAL CITY WAY
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
		BUSINESS PHONE:		713-626-8800

	MAIL ADDRESS:	
		STREET 1:		920 MEMORIAL CITY WAY
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_164884830119301.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-04-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001699136</issuerCik>
        <issuerName>Cactus, Inc.</issuerName>
        <issuerTradingSymbol>WHD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001701768</rptOwnerCik>
            <rptOwnerName>Cactus WH Enterprises, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>920 MEMORIAL CITY WAY, SUITE 300</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>253622</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13761341</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Units</value>
                <footnoteId id="F2"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>253622</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>253622.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13761341</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">In connection with certain redemptions of ownership interests in the Reporting Entity by certain of the Reporting Entity's members pursuant to the first amended and restated limited liability company agreement of the Reporting Entity, the Reporting Entity distributed Class B Common Stock to such members.</footnote>
        <footnote id="F2">&quot;Units&quot; mean ownership interests in Cactus Wellhead, LLC (&quot;Cactus LLC&quot;). The Issuer is the sole managing member of Cactus LLC.</footnote>
        <footnote id="F3">The first amended and restated limited liability company operating agreement of Cactus LLC provides the holders of Units with certain rights to cause Cactus LLC to acquire all or at least a minimum portion of their Units for, at Cactus LLC's election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.</footnote>
        <footnote id="F4">In connection with certain redemptions of ownership interests in the Reporting Entity by certain of the Reporting Entity's members pursuant to the first amended and restated limited liability company agreement of the Reporting Entity, the Reporting Entity distributed Units to such members.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Scott Bender, President</signatureName>
        <signatureDate>2022-04-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
