-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001104659-08-073575.txt : 20081126
<SEC-HEADER>0001104659-08-073575.hdr.sgml : 20081126
<ACCEPTANCE-DATETIME>20081126155052
ACCESSION NUMBER:		0001104659-08-073575
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081124
FILED AS OF DATE:		20081126
DATE AS OF CHANGE:		20081126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CROWLEY Richard
		CENTRAL INDEX KEY:			0001352961

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19612
		FILM NUMBER:		081217929

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		646-638-5078

	MAIL ADDRESS:	
		STREET 1:		IMCLONE SYSTEMS INCORPORATED
		STREET 2:		180 VARICK STREET, 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMCLONE SYSTEMS INC
		CENTRAL INDEX KEY:			0000765258
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				042834797
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		180 VARICK STREET - 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		646-638-5078

	MAIL ADDRESS:	
		STREET 1:		180 VARICK STREET - 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMCLONE SYSTEMS INC/DE
		DATE OF NAME CHANGE:	19940211
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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    <schemaVersion>X0303</schemaVersion>

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    <periodOfReport>2008-11-24</periodOfReport>

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        <issuerName>IMCLONE SYSTEMS INC</issuerName>
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            <rptOwnerStreet2>180 VARICK STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
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            <rptOwnerZipCode>10014</rptOwnerZipCode>
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        <reportingOwnerRelationship>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Biopharmaceutical Ops</officerTitle>
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            <transactionTimeliness>
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            <securityTitle>
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            <conversionOrExercisePrice>
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            <transactionDate>
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            <underlyingSecurity>
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            <conversionOrExercisePrice>
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                <value>2013-07-21</value>
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    <footnotes>
        <footnote id="F1">The Restricted Stock Units were cancelled in connection with the merger (the &quot;Merger&quot;) of Alaska Acquisition Corp. with and into ImClone Systems Incorporated in exchange for a cash payment of $70.00 per share.</footnote>
        <footnote id="F2">These options were cancelled immediately prior to the Merger for a cash payment per underlying share equal to the difference between the exercise price and $70.00</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>GREGORY T. MAYES, BY POWER OF ATTORNEY</signatureName>
        <signatureDate>2008-11-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----