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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 1l+YZi1/oNlwLX7Xdhufgw==

<SEC-DOCUMENT>0001277455-04-000011.txt : 20040618
<SEC-HEADER>0001277455-04-000011.hdr.sgml : 20040618
<ACCEPTANCE-DATETIME>20040618171402
ACCESSION NUMBER:		0001277455-04-000011
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040617
FILED AS OF DATE:		20040618

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IGI INC
		CENTRAL INDEX KEY:			0000352998
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				010355758
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		WHEAT RD AND LINCOCN AVE
		STREET 2:		P O BOX 687
		CITY:			BUENA
		STATE:			NJ
		ZIP:			08310
		BUSINESS PHONE:		6096971441

	MAIL ADDRESS:	
		STREET 1:		WHEAT ROAD AND LINCOCN AVE
		STREET 2:		P O BOX 687
		CITY:			BUENA
		STATE:			NJ
		ZIP:			08310

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMMUNOGENETICS INC
		DATE OF NAME CHANGE:	19870814

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GERARDI FRANK
		CENTRAL INDEX KEY:			0001145730

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08568
		FILM NUMBER:		04871203

	BUSINESS ADDRESS:	
		STREET 1:		C/O UNIVEST MANAGEMENT INC
		STREET 2:		149 WEST VILLAGE WAY
		CITY:			JUPITER
		STATE:			FL
		ZIP:			33458
		BUSINESS PHONE:		5617487230

	MAIL ADDRESS:	
		STREET 1:		C/O UNIVEST MANAGEMENT INC
		STREET 2:		149 WEST VILLAGE WAY
		CITY:			JUPITER
		STATE:			FL
		ZIP:			33458
</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>2004-06-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000352998</issuerCik>
        <issuerName>IGI INC</issuerName>
        <issuerTradingSymbol>IG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001145730</rptOwnerCik>
            <rptOwnerName>GERARDI FRANK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O UNIVEST MANAGEMENT INC</rptOwnerStreet1>
            <rptOwnerStreet2>149 WEST VILLAGE WAY</rptOwnerStreet2>
            <rptOwnerCity>JUPITER</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33458</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Options</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-06-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-07-23</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-07-23</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>180000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options for Right to Buy 100,000 shares of Common Stock.</footnote>
        <footnote id="F2">Options to buy common stock granted to Chairman of IGI Inc.'s Board of Directors authorized pursuant to the 1999 Director Stock Option Plan at a strike price of $1.05 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Frank Gerardi</signatureName>
        <signatureDate>2004-06-18</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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