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

    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-05-20</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000875355</issuerCik>
        <issuerName>INSIGNIA SYSTEMS INC/MN</issuerName>
        <issuerTradingSymbol>ISIG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001122091</rptOwnerCik>
            <rptOwnerName>DRILL SCOTT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Incentive Stock Option</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>5.800</value>
         </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-20</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>35000</value>
            </transactionShares>
            <transactionValue>
                <value>5.800</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2004-05-20</value>
            <footnoteId id="F1"/>
        </exerciseDate>
        <expirationDate>
            <value>2013-05-20</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>CS</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>35000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>160000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>
<footnotes>
<footnote id="F1">Securities vest in three equal annual installments, with the first installment vesting on 5/20/04.</footnote>
</footnotes>
    <ownerSignature>
        <signatureName>/s/ Scott Drill</signatureName>
        <signatureDate>2003-05-20</signatureDate>
    </ownerSignature>

</ownershipDocument>

