<SUBMISSION>
<ACCESSION-NUMBER>0001140361-06-017521
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061203
<FILING-DATE>20061205
<DATE-OF-FILING-DATE-CHANGE>20061205
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>HUB GROUP INC
<CIK>0000940942
<ASSIGNED-SIC>4731
<IRS-NUMBER>364007085
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>377 E BUTTERFIELD RD
<STREET2>STE 700
<CITY>LOMBARD
<STATE>IL
<ZIP>60148
<PHONE>7089645800
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>377 EAST BUTTERFIELD RD
<STREET2>SUITE 700
<CITY>LOMBARD
<STATE>IL
<ZIP>60148
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>SLARK MARTIN P
<CIK>0001012930
<STATE-OF-INCORPORATION>IL
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-27754
<FILM-NUMBER>061257244
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>2222 WELLINGTON COURT
<CITY>LISLE
<STATE>IL
<ZIP>60532
<PHONE>6305274598
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>MOLEX INC
<STREET2>2222 WELLINGTON COURT
<CITY>LISLE
<STATE>IL
<ZIP>60532
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-12-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000940942</issuerCik>
        <issuerName>HUB GROUP INC</issuerName>
        <issuerTradingSymbol>HUBG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001012930</rptOwnerCik>
            <rptOwnerName>SLARK MARTIN P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3050 HIGHLAND PKWY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>DOWNERS GROVE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60515</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-12-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1662</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>32890</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Disposition of shares to satisfy withholding tax obligations with respect to 4,746 shares on which restrictions lapsed as of 12/3/2006.</footnote>
        <footnote id="F2">6,636 of the shares of Class A Common Stock are restricted stock subject to vesting requirements. Also, on June 6, 2006, the Company issued its previously declared stock dividend of one share of Class A Common Stock on each share of Class A Common Stock and each share of Class B Common Stock issued and outstanding on the record date of May 22, 2006. As a result of the stock dividend, Mr. Slark received 17,276 shares of Class A Common Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/  Martin P. Slark</signatureName>
        <signatureDate>2006-12-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
