<SEC-DOCUMENT>0001567619-20-015843.txt : 20200820
<SEC-HEADER>0001567619-20-015843.hdr.sgml : 20200820
<ACCEPTANCE-DATETIME>20200820175344
ACCESSION NUMBER:		0001567619-20-015843
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200818
FILED AS OF DATE:		20200820
DATE AS OF CHANGE:		20200820

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nia Mehran
		CENTRAL INDEX KEY:			0001386428

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33264
		FILM NUMBER:		201120993

	MAIL ADDRESS:	
		STREET 1:		17150 SOUTH MARGAY AVENUE
		CITY:			CARSON
		STATE:			CA
		ZIP:			90746

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CarParts.com, Inc.
		CENTRAL INDEX KEY:			0001378950
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO & HOME SUPPLY STORES [5531]
		IRS NUMBER:				680623433
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0102

	BUSINESS ADDRESS:	
		STREET 1:		2050 W. 190TH STREET
		CITY:			TORRANCE
		STATE:			CA
		ZIP:			90504
		BUSINESS PHONE:		(310) 735-0085

	MAIL ADDRESS:	
		STREET 1:		2050 W. 190TH STREET
		CITY:			TORRANCE
		STATE:			CA
		ZIP:			90504

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	U.S. Auto Parts Network, Inc.
		DATE OF NAME CHANGE:	20061023
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-08-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001378950</issuerCik>
        <issuerName>CarParts.com, Inc.</issuerName>
        <issuerTradingSymbol>PRTS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001386428</rptOwnerCik>
            <rptOwnerName>Nia Mehran</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARPARTS.COM, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2050 W. 190TH STREET, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>TORRANCE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90504</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>2020-08-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2000000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2263341</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Nia Living Trust Established September 2, 2004</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38764</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>211437</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By domestic partner</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On August 18, 2020, the Reporting Person sold 2,000,000 shares of the Company's Common Stock (the &quot;Shares&quot;) held by the Nia Living Trust Established September 2, 2004 (the &quot;Living Trust&quot;) in connection with Mehran Nia's divorce settlement. The Shares were sold pursuant to an underwriting agreement among the Company, Mehran Nia and RBC Capital Markets, LLC, as representative of the several underwriters listed therein.</footnote>
        <footnote id="F2">On August 18, 2020, in an underwritten offering of the Issuer's Common Stock by the Company and Mehran Nia, the Living Trust sold an aggregate amount of 2,000,000 shares of Common Stock for a price per share of $13.00. Such price per share does not reflect underwriter discounts or fees.</footnote>
        <footnote id="F3">Pursuant to a divorce settlement between Mehran Nia and his spouse, Fariba Nia, the Living Trust previously transferred 500,000 shares to Fariba Nia.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Mehran Nia</signatureName>
        <signatureDate>2020-08-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
