-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RggFoy38VvjeG1kwhMrQu3s/SqHw8tSYyxVmjXTqUozk6jKb+zTgZQSsuQfNji0r
 jRLVp1HCia87/exe4J+75Q==

<SEC-DOCUMENT>0001058217-03-000152.txt : 20030715
<SEC-HEADER>0001058217-03-000152.hdr.sgml : 20030715
<ACCEPTANCE-DATETIME>20030714180145
ACCESSION NUMBER:		0001058217-03-000152
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030520
FILED AS OF DATE:		20030715

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AUTOIMMUNE INC
		CENTRAL INDEX KEY:			0000879106
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				133489062
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1199 MADIA STREET
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91103
		BUSINESS PHONE:		6267921235

	MAIL ADDRESS:	
		STREET 1:		128 SPRING STREET
		CITY:			LEXINGTON
		STATE:			MA
		ZIP:			02173

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FERGUSON ALLAN R
		CENTRAL INDEX KEY:			0001030573
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20948
		FILM NUMBER:		03786003

	BUSINESS ADDRESS:	
		STREET 1:		C/O ATLAS VENTURE
		STREET 2:		222 BERKELEY STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		6178599290

	MAIL ADDRESS:	
		STREET 1:		C/O ATLAS VENTURE
		STREET 2:		222 BERKELEY STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-05-20</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000879106</issuerCik>
        <issuerName>AUTOIMMUNE INC</issuerName>
        <issuerTradingSymbol>AIMM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001030573</rptOwnerCik>
            <rptOwnerName>FERGUSON ALLAN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Stock Option (right to buy)</value>
            <footnoteId id="F1"/>
            <footnoteId id="F4"/>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>1.2</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-20</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>6000</value>
            </transactionShares>
            <transactionValue>
                <value>1.2</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2004-05-20</value>
            <footnoteId id="F2"/>
        </exerciseDate>
        <expirationDate>
            <value>2013-05-20</value>
            <footnoteId id="F3"/>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>common stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>6000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>75500</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">The reporting person no longer has a reportable beneficial interest in 2000 shares of the issuer's common stock owned by his two daughters and included in the reporting person's prior beneficial ownership reports.</footnote>
        <footnote id="F2">The option becomes exercisable in four equal annual installments beginning on the first anniversary of the grant date specified in Column 3.</footnote>
        <footnote id="F3">The option expires at the close of business on the first to occur of (i) one year following the date the grantee ceases to be a director of the issuer for any reason and (ii) May 20, 2013.</footnote>
        <footnote id="F4">The reporting person timely filed this Form 4 on May 22, 2003.  It is being re-filed upon the request of the SEC because the May 22, 2003 filing was illegible.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Allan R. Ferguson</signatureName>
        <signatureDate>2003-05-22</signatureDate>
    </ownerSignature>

</ownershipDocument>

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