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<ownershipDocument>

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    <periodOfReport>2015-10-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001492658</issuerCik>
        <issuerName>Wright Medical Group N.V.</issuerName>
        <issuerTradingSymbol>WMGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001138646</rptOwnerCik>
            <rptOwnerName>PALMISANO ROBERT J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1023 CHERRY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MEMPHIS</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>38117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Ordinary Shares, par value EUR 0.03 per share</value>
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            <transactionDate>
                <value>2015-10-01</value>
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            <transactionTimeliness>
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            <expirationDate>
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        <derivativeTransaction>
            <securityTitle>
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            <transactionDate>
                <value>2015-10-01</value>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
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                <transactionPricePerShare>
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            <expirationDate>
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            <securityTitle>
                <value>Stock Option
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            <securityTitle>
                <value>Stock Option
(Right to Buy)</value>
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    <footnotes>
        <footnote id="F1">Received in exchange for 146,431 common shares of Wright Medical Group, Inc. (&quot;Wright&quot;) pursuant to the Agreement and Plan of Merger by and among the issuer, Tornier N.V. (&quot;TRNX&quot;), Trooper Holdings Inc., and Trooper Merger Sub Inc., which became effective on October 1, 2015, (the &quot;Merger&quot;). On the date prior to the effective time of the Merger, the closing price of Wright's common shares was $21.02 per share and the closing price of TRNX's ordinary shares was $20.39 per share.</footnote>
        <footnote id="F2">Received in the merger in exchange for an employee stock option to acquire 610,000 Wright shares for $16.03 per share.</footnote>
        <footnote id="F3">Received in the merger in exchange for an employee stock option to acquire 3,989 Wright shares for $18.24 per share.</footnote>
        <footnote id="F4">Received in the merger in exchange for an employee stock option to acquire 141,139 Wright shares for $21.39 per share</footnote>
        <footnote id="F5">Received in the merger in exchange for an employee stock option to acquire 9,479 Wright shares for $23.24 per share.</footnote>
        <footnote id="F6">Received in the merger in exchange for an employee stock option to acquire 140,291 Wright shares for $24.66 per share.</footnote>
        <footnote id="F7">Received in the merger in exchange for an employee stock option to acquire 7,702 Wright shares for $31.07 per share.</footnote>
        <footnote id="F8">Received in the merger in exchange for an employee stock option to acquire 125,582 Wright shares for $29.95 per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marija S. Nelson, Attorney-in-fact</signatureName>
        <signatureDate>2015-10-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
