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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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<SEC-DOCUMENT>0001140361-06-003506.txt : 20060307
<SEC-HEADER>0001140361-06-003506.hdr.sgml : 20060307
<ACCEPTANCE-DATETIME>20060307130312
ACCESSION NUMBER:		0001140361-06-003506
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060210
FILED AS OF DATE:		20060307
DATE AS OF CHANGE:		20060307

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMPERIAL SUGAR CO /NEW/
		CENTRAL INDEX KEY:			0000831327
		STANDARD INDUSTRIAL CLASSIFICATION:	SUGAR & CONFECTIONERY PRODUCTS [2060]
		IRS NUMBER:				740704500
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		ONE IMPERIAL SQ STE 200
		STREET 2:		P O BOX 9
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77487
		BUSINESS PHONE:		2814919181

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMPERIAL HOLLY CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMPERIAL SUGAR CO /TX/
		DATE OF NAME CHANGE:	19880606

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEHMAN BROTHERS HOLDINGS INC
		CENTRAL INDEX KEY:			0000806085
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16674
		FILM NUMBER:		06669418

	BUSINESS ADDRESS:	
		STREET 1:		LEHMAN BROTHERS
		STREET 2:		745 SEVENTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2125267000

	MAIL ADDRESS:	
		STREET 1:		LEHMAN BROTHERS
		STREET 2:		745 SEVENTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER NAME:	
		FORMER CONFORMED NAME:	SHEARSON LEHMAN HUTTON HOLDINGS INC
		DATE OF NAME CHANGE:	19901017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000831327</issuerCik>
        <issuerName>IMPERIAL SUGAR CO /NEW/</issuerName>
        <issuerTradingSymbol>IPSU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000806085</rptOwnerCik>
            <rptOwnerName>LEHMAN BROTHERS HOLDINGS INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>745 SEVENTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>68559</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3315715</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Received as a final distribution of the Issuer's Common Stock, effective dated February 9, 2006, under the Issuer's Second Amended and Restated Joint Plan of Reorganization dated June 5, 2001, as further described in the Reporting Person's Schedule 13D (as amended) filed with the Commission in respect of the Issuer's Common Stock.</footnote>
        <footnote id="F2">This form is a joint filing with Lehman Brothers Inc., a wholly owned subsidiary of the Reporting Person and a broker-dealer registered under Section 15 of the 1934 Act.</footnote>
    </footnotes>

    <remarks>JOINT FILER INFORMATION

Title of Security: Common Stock
Issuer &amp; Ticker Symbol: Imperial Sugar Company (IPSU)
Designated Filer: Lehman Brothers Holdings Inc.
Other Joint Filer(s):
Lehman Brothers Inc.
745 Seventh Avenue
New York, New York 10019
Date of Event Requiring Statement:
February 10, 2006
Signature on behalf of
other above filer:
/s/ Barrett S. DiPaolo
Senior Vice President</remarks>

    <ownerSignature>
        <signatureName>/s/ Barrett S. DiPaolo, Vice President</signatureName>
        <signatureDate>2006-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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