<SEC-DOCUMENT>0000904454-21-000873.txt : 20211230
<SEC-HEADER>0000904454-21-000873.hdr.sgml : 20211230
<ACCEPTANCE-DATETIME>20211230165832
ACCESSION NUMBER:		0000904454-21-000873
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210305
FILED AS OF DATE:		20211230
DATE AS OF CHANGE:		20211230

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RIBAR GEOFFREY G
		CENTRAL INDEX KEY:			0001247434

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35451
		FILM NUMBER:		211533472

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACOM Technology Solutions Holdings, Inc.
		CENTRAL INDEX KEY:			0001493594
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				270306875
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1001

	BUSINESS ADDRESS:	
		STREET 1:		100 CHELMSFORD STREET
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01851
		BUSINESS PHONE:		(978) 656-2500

	MAIL ADDRESS:	
		STREET 1:		100 CHELMSFORD STREET
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01851

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	M/A-COM Technology Solutions Holdings, Inc.
		DATE OF NAME CHANGE:	20100607
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-03-05</periodOfReport>

    <dateOfOriginalSubmission>2021-03-11</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001493594</issuerCik>
        <issuerName>MACOM Technology Solutions Holdings, Inc.</issuerName>
        <issuerTradingSymbol>MTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001247434</rptOwnerCik>
            <rptOwnerName>RIBAR GEOFFREY G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS</rptOwnerStreet1>
            <rptOwnerStreet2>100 CHELMSFORD STREET</rptOwnerStreet2>
            <rptOwnerCity>LOWELL</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01851</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>2021-03-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2093</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20898</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units granted to the Reporting Person under the Issuer's 2021 Omnibus Incentive Plan.  Each restricted stock unit represents the contingent right to receive one share of Common Stock.  The restricted stock units vest on February 15, 2022, provided that the Reporting Person remains in continuous service with the Issuer through the vesting date.</footnote>
        <footnote id="F2">The total reported in Column 5 reflects the Reporting Person's holdings as of the date of this filing and not the date of the reported transaction.</footnote>
    </footnotes>

    <remarks>This Amendment to the Form 4 filed on March 11, 2021 is being filed solely to correct a typographical error in the Amount of Securities Acquired that was reported in Column 4 of the original filing.  The original filing indicated that 2,903 restricted stock units were acquired on March 5, 2021 but should have stated that 2,093 restricted stock units were acquired on March 5, 2021.</remarks>

    <ownerSignature>
        <signatureName>/s/ Ambra R. Roth, Attorney-in-Fact</signatureName>
        <signatureDate>2021-12-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
