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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-01</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001681714</issuerCik>
        <issuerName>WildHorse Resource Development Corp</issuerName>
        <issuerTradingSymbol>WRD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001610255</rptOwnerCik>
            <rptOwnerName>Habachy Steve Saad</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>920 MEMORIAL CITY WAY, SUITE 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>290805</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On February 1, 2019, pursuant to the Agreement and Plan of Merger dated as of October 29, 2018 (the &quot;Merger Agreement&quot;), by and among WildHorse Resource Development Corporation (the &quot;Company&quot;), Chesapeake Energy Corporation (&quot;Chesapeake&quot;) and Coleburn Inc. (&quot;Merger Sub&quot;), as amended, Merger Sub merged with an into the Company (the &quot;Merger&quot;), with the Company surviving the Merger and continuing as a wholly-owned subsidiary of Chesapeake.</footnote>
        <footnote id="F2">Pursuant to the Merger Agreement, each share of Company common stock issued and outstanding prior to the effective time of the Merger owned by the Reporting Person was converted at such time into the right to receive either (i) 5.336 shares of Chesapeake common stock and $3.00 in cash, or (ii) 5.989 shares of Chesapeake common stock, in each case, with cash in lieu for any fractional shares. The closing price per share of Chesapeake common stock on the day prior to the effective date of the merger was $2.85.</footnote>
    </footnotes>

    <remarks>Executive Vice President and Chief Operating Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Kyle N. Roane, Attorney-in-Fact</signatureName>
        <signatureDate>2019-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
