<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-06-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001806201</issuerCik>
        <issuerName>Nebula Parent Corp.</issuerName>
        <issuerTradingSymbol>LPRO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001192808</rptOwnerCik>
            <rptOwnerName>CLAMMER ADAM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TRUE WIND CAPITAL MANAGEMENT, L.P.,</rptOwnerStreet1>
            <rptOwnerStreet2>FOUR EMBARCADERO CENTER, SUITE 2100</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.01 Par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15375000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Shares held by Nebula Holdings, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares represent shares of Open Lending Corporation common stock held by Nebula Holdings, LLC.  True Wind Capital, L.P. is the managing member of Nebula Holdings, LLC and has voting and investment discretion with respect to the common stock held of record by Nebula Holdings, LLC. Adam Clammer and James Greene, Jr. are the managing members of True Wind Capital GP, LLC, the general partner of True Wind Capital, L.P. As such, True Wind Capital, L.P., Mr. Clammer and Mr. Greene may be deemed to have shared beneficial ownership of the common stock held directly by Nebula Holdings, LLC. Each such entity or person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.</footnote>
    </footnotes>

    <remarks>Mr. Clammer, one of the managing members of True Wind Capital GP, LLC, is a member of the board of directors of the Issuer.  Certain affiliates of True Wind Capital GP, LLC have filed a separate Form 3 reporting securities of the Issuer that they may be deemed to beneficially own.  Mr. Clammer disclaims beneficial ownership of any securities of the Issuer that may be deemed to be beneficially owned by affiliates of True Wind Capital GP, LLC.</remarks>

    <ownerSignature>
        <signatureName>By: /s/ Adam H. Clammer</signatureName>
        <signatureDate>2020-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
