<SEC-DOCUMENT>0001590976-18-000100.txt : 20181105
<SEC-HEADER>0001590976-18-000100.hdr.sgml : 20181105
<ACCEPTANCE-DATETIME>20181105181700
ACCESSION NUMBER:		0001590976-18-000100
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181101
FILED AS OF DATE:		20181105
DATE AS OF CHANGE:		20181105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wilson Wayne R.
		CENTRAL INDEX KEY:			0001598780

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36290
		FILM NUMBER:		181161047

	MAIL ADDRESS:	
		STREET 1:		5075 KIMBERLY WAY
		CITY:			LOUDON
		STATE:			TN
		ZIP:			37774

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Malibu Boats, Inc.
		CENTRAL INDEX KEY:			0001590976
		STANDARD INDUSTRIAL CLASSIFICATION:	SHIP & BOAT BUILDING & REPAIRING [3730]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		5075 KIMBERLY WAY
		CITY:			LOUDON
		STATE:			TN
		ZIP:			37774
		BUSINESS PHONE:		865-458-5478

	MAIL ADDRESS:	
		STREET 1:		5075 KIMBERLY WAY
		CITY:			LOUDON
		STATE:			TN
		ZIP:			37774
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_154145980070434.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-11-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001590976</issuerCik>
        <issuerName>Malibu Boats, Inc.</issuerName>
        <issuerTradingSymbol>MBUU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001598780</rptOwnerCik>
            <rptOwnerName>Wilson Wayne R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5075 KIMBERLY WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOUDON</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37774</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>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36635</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person was issued an equity award of 6,000 shares of restricted stock on November 1, 2018 in consideration of services performed for the Issuer in fiscal 2018.</footnote>
        <footnote id="F2">The shares of restricted stock will vest in four substantially equal annual installments beginning on November 6, 2019.</footnote>
        <footnote id="F3">Includes 1,159 restricted stock units vesting on November 6, 2018, 3,476 restricted stock units vesting in two substantially equal annual installments beginning on November 6, 2018, 5,250 shares of restricted stock vesting in three equal annual installments beginning on November 4, 2018 and 5,550 shares of restricted stock vesting in four equal annual installments beginning on November 6, 2018. The restricted stock units represent the contingent right to receive an equivalent number of shares of the Issuer's Class A Common Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Wayne R. Wilson</signatureName>
        <signatureDate>2018-11-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
