<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-10-15</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000819539</issuerCik>
        <issuerName>NEIMAN MARCUS GROUP INC</issuerName>
        <issuerTradingSymbol>NMG.B</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001264846</rptOwnerCik>
            <rptOwnerName>BERYLSON AMY SMITH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GOULSTON &amp; STORRS, P.C.</rptOwnerStreet1>
            <rptOwnerStreet2>400 ATLANTIC AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02110-3333</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of Schedule 13D group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-10-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1485</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>44.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>190968</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>226199</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See notes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents (1) a distribution of 495 shares by Amy Smith Berylson to the J-J-E 1988 Trust for the benefit of Jennifer L. Berylson u/d/t dated 11/1/1988, of which John G. Berylson and Mark D. Balk are trustees, (2) a distribution of 495 shares by Amy Smith Berylson to the J-J-E 1988 Trust for the benefit of James T. Berylson u/d/t dated 11/1/1988, of which John G. Berylson and Mark D. Balk are trustees, and (3) a distribution of 495 shares by Amy Smith Berylson to the J-J-E 1988 Trust for the benefit of Elizabeth S. Berylson u/d/t dated 11/1/1988, of which John G. Berylson and Mark D. Balk are trustees.</footnote>
        <footnote id="F2">Reflects the shares owned directly or indirectly by the following persons or entities and indirectly by Amy Smith Berylson:  96 shares owned directly by John G. Berylson, the reporting person's husband; 5,026 shares owned indirectly by John G. Berylson as trustee of the J-J-E 1988 Trust for the benefit of Jennifer Berylson; 5,026 shares owned indirectly by John G. Berylson as trustee of the J-J-E 1988 Trust for the benefit of James Berylson; 5,026 shares owned indirectly by John G. Berylson as trustee of the J-J-E 1988 Trust for the benefit of Elizabeth Berylson;</footnote>
        <footnote id="F3">54,234 shares owned indirectly by John G. Berylson as trustee of the Amy Smith Berylson 1998 Grantor Retained Annuity Trust; 59,529 shares owned indirectly by John G. Berylson and Amy Smith Berylson as trustees of the Amy Smith Berylson Grantor Retained Annuity Trust; 48,208 shares owned indirectly by Amy Smith Berylson as trustee of the Amy Smith Berylson Insurance Trust; 6,685 shares owned directly by Jennifer L. Berylson, Amy Smith Berylson's daughter; 6,686 shares owned indirectly by John G. Berylson and Amy Smith Berylson as guardians for James Berylson, Amy Smith Berylson's son; and 6,686 shares owned indirectly by John G. Berylson and Amy Smith Berylson as guardians for Elizabeth Berylson, Amy Smith Berylson's daughter;</footnote>
        <footnote id="F4">28,997 shares owned indirectly as trustee of the Susan F. Smith Grantor Retained Annuity Trust  - 7 Years  u/d/t dated August 10, 1994 f/b/o Amy Smith Berylson.  Amy Smith Berylson disclaims beneficial ownership of 35,231 of these shares, and this report shall not be deemed an admission that Amy Smith Berylson is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>Mark D. Balk</signatureName>
        <signatureDate>2003-10-15</signatureDate>
    </ownerSignature>

</ownershipDocument>

