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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>0001140361-06-002429.txt : 20060214
<SEC-HEADER>0001140361-06-002429.hdr.sgml : 20060214
<ACCEPTANCE-DATETIME>20060214171153
ACCESSION NUMBER:		0001140361-06-002429
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060210
FILED AS OF DATE:		20060214
DATE AS OF CHANGE:		20060214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SWEENEY JOHN
		CENTRAL INDEX KEY:			0001227439

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16674
		FILM NUMBER:		06617011

	MAIL ADDRESS:	
		STREET 1:		C/O LAHMAN BROTHERS HOLDINGS INC
		STREET 2:		745 SEVENTH AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

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
</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>0001227439</rptOwnerCik>
            <rptOwnerName>SWEENEY JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE IMPERIAL SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200 P.O. BOX 9</rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2833</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">The shares of Restricted Common Stock will vest in four equal annual installments beginning on February 10, 2007.</footnote>
        <footnote id="F2">This form is a joint filing with Lehman Brothers Holdings Inc. (&quot;LBHI&quot;) and Lehman Brothers Inc. (&quot;LBI&quot;), a wholly-owned subsidiary of LBHI. Mr. Sweeney is a Managing Director of LBI. Under the terms of Mr. Sweeney's employment with LBI, LBI is the beneficial owner of the shares of Restricted Common Stock granted to Mr. Sweeney and reported herein.  LBHI may be deemed to be the beneficial owner of the shares of Restricted Common Stock reported herein. Mr. Sweeney disclaims beneficial ownership of the shares of Restricted Common Stock reported herein.</footnote>
    </footnotes>

    <remarks>JOINT FILER INFORMATION

Title of Securities: Restricted Common Stock
Issuer &amp; Ticker Symbol: Imperial Sugar Company(IPSU)
Designated Filer: John Sweeney
Other Joint Filer:

Lehman Brothers Holdings Inc.
745 Seventh Avenue
New York, New York 10019

Lehman Brothers Inc.
745 Seventh Avenue
New York, New York 10019

Date of Event Requiring Statement: February 10, 2006
Signature on behalf of other joint filers:
/s/ Barrett S. DiPaolo
Vice President and Senior Vice President</remarks>

    <ownerSignature>
        <signatureName>John Sweeney</signatureName>
        <signatureDate>2006-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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