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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Po2jGxCHy8KB4MM8mvu6cBEEPVGtjkre5UTCKZgf8H+a/RqkHp89K3umKFJ0sLu4
 jym2Z9PTq6GcR3KAbRMyPw==

<SEC-DOCUMENT>0001061655-10-000044.txt : 20101006
<SEC-HEADER>0001061655-10-000044.hdr.sgml : 20101006
<ACCEPTANCE-DATETIME>20101006102033
ACCESSION NUMBER:		0001061655-10-000044
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101005
FILED AS OF DATE:		20101006
DATE AS OF CHANGE:		20101006

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FENTURA FINANCIAL INC
		CENTRAL INDEX KEY:			0000919865
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				382806518
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		175 NORTH LAROY
		CITY:			FENTON
		STATE:			MI
		ZIP:			48430-0725
		BUSINESS PHONE:		8106292263

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KELLEY DOUGLAS J
		CENTRAL INDEX KEY:			0001282416

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23550
		FILM NUMBER:		101110984

	MAIL ADDRESS:	
		STREET 1:		175 NORTH LEROY STREET
		CITY:			FENTON
		STATE:			MI
		ZIP:			48430
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-10-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000919865</issuerCik>
        <issuerName>FENTURA FINANCIAL INC</issuerName>
        <issuerTradingSymbol>FETM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282416</rptOwnerCik>
            <rptOwnerName>KELLEY DOUGLAS J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>175 NORTH LEROY STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FENTON</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48430</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-10-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>47.3684</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>912.5962</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Nature of Direct Ownership: Douglas J. Kelley and Dawn R. Kelley JT TEN</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Timothy E. Kraepel, Attorney-In-Fact</signatureName>
        <signatureDate>2010-10-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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