-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Dx0nknvkpBftK2QtqscHygyQk45RLvfBZdowmW7Gs+mF0TJ/n3TZcn0J3dY/mqTX
 ougivCK8oMXSg5LQV8KHrQ==

<SEC-DOCUMENT>0001161696-06-000002.txt : 20060106
<SEC-HEADER>0001161696-06-000002.hdr.sgml : 20060106
<ACCEPTANCE-DATETIME>20060106113117
ACCESSION NUMBER:		0001161696-06-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060106
FILED AS OF DATE:		20060106
DATE AS OF CHANGE:		20060106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WIT CORNELIS F
		CENTRAL INDEX KEY:			0001238906

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25203
		FILM NUMBER:		06515480

	BUSINESS ADDRESS:	
		STREET 1:		OMNI COMM SYSTEMS INC
		STREET 2:		2555 DAVIES ROAD STE 110-B
		CITY:			DAVIE
		STATE:			FL
		ZIP:			33317
		BUSINESS PHONE:		9544731254

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OMNICOMM SYSTEMS INC
		CENTRAL INDEX KEY:			0001034592
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				113349762
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2555 DAVIE ROAD
		STREET 2:		SUITE 110-B
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33317
		BUSINESS PHONE:		954-473-1254

	MAIL ADDRESS:	
		STREET 1:		2555 DAVIE ROAD
		STREET 2:		SUITE 110-B
		CITY:			DAVIE
		STATE:			FL
		ZIP:			33317

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORAL DEVELOPMENT CORP
		DATE OF NAME CHANGE:	19970225
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001238906</rptOwnerCik>
            <rptOwnerName>WIT CORNELIS F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.25</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-01-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>175000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-06</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-01-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>175000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1495000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Cornelis Wit</signatureName>
        <signatureDate>2006-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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