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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-07-31</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001034592</issuerCik>
        <issuerName>OMNICOMM SYSTEMS INC</issuerName>
        <issuerTradingSymbol>OMCM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001246994</rptOwnerCik>
            <rptOwnerName>VAN KESTEREN GUUS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2700 N. MILITARY TRAIL #210</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOCA RATON</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33431</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>1</isOther>
            <otherText>Former Director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Mr. van Kesteren's term as a director ended at the OmniComm Systems, Inc. Annual Meeting on July 31, 2014 when the new board members were elected to serve until the Company's 2015 Annual Meeting.</remarks>

    <ownerSignature>
        <signatureName>/s/ Guus van Kesteren</signatureName>
        <signatureDate>2014-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
