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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Bkr66X/qjtVmSf7lAhmD34heVLWIu4p7MKTgTqm1XqEFSn/tPBvhjkAcQ+pQZied
 uJqB1J6PGQk8SLzMbl71AA==

<SEC-DOCUMENT>0001321154-05-000019.txt : 20051215
<SEC-HEADER>0001321154-05-000019.hdr.sgml : 20051215
<ACCEPTANCE-DATETIME>20051215134332
ACCESSION NUMBER:		0001321154-05-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051213
FILED AS OF DATE:		20051215
DATE AS OF CHANGE:		20051215

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAZZARELLA ROBERT P
		CENTRAL INDEX KEY:			0001282958

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-05703
		FILM NUMBER:		051266065

	BUSINESS ADDRESS:	
		STREET 1:		12 TRAILSIDE CIRCLE
		CITY:			SUDBURY
		STATE:			MA
		ZIP:			01776
		BUSINESS PHONE:		9784436558

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIEBERT FINANCIAL CORP
		CENTRAL INDEX KEY:			0000065596
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				111796714
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		885 THIRD AVENUE
		STREET 2:		SUITE 1720
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2126442400

	MAIL ADDRESS:	
		STREET 1:		885 THIRD AVENUE
		STREET 2:		SUITE 1720
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MICHAELS J INC
		DATE OF NAME CHANGE:	19950221
</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>2005-12-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000065596</issuerCik>
        <issuerName>SIEBERT FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>SIEB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282958</rptOwnerCik>
            <rptOwnerName>MAZZARELLA ROBERT P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to purchase common stock, $.01 par value per share</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.81</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-12-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-12-13</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-12-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock, $.01 par value per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Robert P. Mazzarella</signatureName>
        <signatureDate>2005-12-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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