-----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,
 WD/vo4gwVW6AlfTpRxDKNsiZZaZkJmJH5HPSyqXol8kZ0DmswhV4+brqtjmaYAxY
 KHhngEUb4vlvB0E3kfASeA==

<SEC-DOCUMENT>0001179110-03-010016.txt : 20031104
<SEC-HEADER>0001179110-03-010016.hdr.sgml : 20031104
<ACCEPTANCE-DATETIME>20031104184747
ACCESSION NUMBER:		0001179110-03-010016
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031028
FILED AS OF DATE:		20031104

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MIDDLEBY CORP
		CENTRAL INDEX KEY:			0000769520
		STANDARD INDUSTRIAL CLASSIFICATION:	REFRIGERATION & SERVICE INDUSTRY MACHINERY [3580]
		IRS NUMBER:				363352497
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1400 TOASTMASTER DRIVE
		CITY:			ELGIN
		STATE:			IL
		ZIP:			60120
		BUSINESS PHONE:		8477413300

	MAIL ADDRESS:	
		STREET 1:		1400 TOASTMASTER DRIVE
		CITY:			ELGIN
		STATE:			IL
		ZIP:			60120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIERON MARK A
		CENTRAL INDEX KEY:			0001246379

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09973
		FILM NUMBER:		03977517

	BUSINESS ADDRESS:	
		STREET 1:		1400 TOASTMASTER DR
		CITY:			ELGIN
		STATE:			IL
		ZIP:			61200
		BUSINESS PHONE:		8477413300

	MAIL ADDRESS:	
		STREET 1:		C/O MIDDLEBY CORP
		STREET 2:		1400 TOASTMASTER DRIVE
		CITY:			ELGIN
		STATE:			IL
		ZIP:			8477413300
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-10-28</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000769520</issuerCik>
        <issuerName>MIDDLEBY CORP</issuerName>
        <issuerTradingSymbol>midd</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001246379</rptOwnerCik>
            <rptOwnerName>SIERON MARK A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>419 WEST VICTORIA LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON HEIGHTS</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60005</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Vice President</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value>
</securityTitle>
<transactionDate><value>2003-10-28</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>M</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>625</value>
<footnoteId id="F1"></footnoteId>
</transactionShares>
<transactionPricePerShare><value>4.50</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>54000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<derivativeTable><derivativeTransaction><securityTitle><value>Stock Option</value>
</securityTitle>
<conversionOrExercisePrice><value>4.50</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-10-28</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>M</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>625</value>
<footnoteId id="F1"></footnoteId>
</transactionShares>
<transactionPricePerShare><value>4.50</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>D</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>1999-10-28</value>
</exerciseDate>
<expirationDate><value>2004-10-28</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>625</value>
<footnoteId id="F1"></footnoteId>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>11000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeTransaction>
</derivativeTable>
<footnotes><footnote id="F1">Stock option exercise of 625 shares. 2,500 options were originally granted on Oct 28,1999 at a strike price of $4.50 per share. The options vest in 25% incremets and expire on 10/28/04.</footnote>
</footnotes>
<ownerSignature><signatureName>Mark A. Sieron</signatureName>
<signatureDate>2003-11-04</signatureDate>
</ownerSignature>
</ownershipDocument>

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