<SUBMISSION>
<ACCESSION-NUMBER>0001104659-20-018089
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20200211
<FILING-DATE>20200212
<DATE-OF-FILING-DATE-CHANGE>20200212
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Kapoor Chet
<CIK>0001634037
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36269
<FILM-NUMBER>20600286
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>BRIGHTCOVE INC.
<STREET2>290 CONGRESS STREET
<CITY>BOSTON
<STATE>MA
<ZIP>02210
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Care.com Inc
<CIK>0001412270
<ASSIGNED-SIC>7200
<IRS-NUMBER>205785879
<STATE-OF-INCORPORATION>MA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>77 FOURTH AVENUE
<STREET2>5TH FLOOR
<CITY>Waltham
<STATE>MA
<ZIP>02451
<PHONE>781 642 5900
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>77 FOURTH AVENUE
<STREET2>5TH FLOOR
<CITY>Waltham
<STATE>MA
<ZIP>02451
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-02-11</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001412270</issuerCik>
        <issuerName>Care.com Inc</issuerName>
        <issuerTradingSymbol>CRCM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001634037</rptOwnerCik>
            <rptOwnerName>Kapoor Chet</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARE.COM, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>77 FOURTH AVENUE, 5TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>WALTHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02451</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>U</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1843098</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>U</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>726902</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects disposition following a tender pursuant to the offer by Buzz Merger Sub Inc. (&quot;Merger Sub&quot;) to purchase all of the Issuer's outstanding common stock at a price of $15.00 per share in cash, without interest, less any applicable withholding taxes, upon the terms and conditions set forth in Merger Sub's Offer to Purchase, dated January 13, 2020, and the related letter of transmittal.</footnote>
        <footnote id="F2">The securities are held by Tenzing Global Investors Fund I LP, a Delaware limited partnership (&quot;Fund I&quot;). Tenzing Global Management LLC, a Delaware limited liability company (&quot;Tenzing Global Management&quot;), is the investment advisor of Fund I. Chet Kapoor is the Managing Member of Tenzing Global Management, and may be deemed to share voting and investment power over the shares held of record by Fund I. Mr. Kapoor disclaims beneficial ownership of all shares held by the foregoing entities except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">The securities are held by accounts managed by Tenzing Global Management on a discretionary basis (the &quot;Parallel Account&quot;). Mr. Kapoor may be deemed to share voting and investment power over the shares held of record by the Parallel Account. Mr. Kapoor disclaims beneficial ownership of all shares held by the Parallel Account except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Chet Kapoor</signatureName>
        <signatureDate>2020-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
