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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RkVfFysNIf1Mi4dS0djXaTDLKeXpdpG/lZqmgMlrnJM/By97SGQxM6TNbpVluCCC
 7tWS9Qk63V51e6fy+tPjHg==

<SEC-DOCUMENT>0001209191-06-010916.txt : 20060215
<SEC-HEADER>0001209191-06-010916.hdr.sgml : 20060215
<ACCEPTANCE-DATETIME>20060215154626
ACCESSION NUMBER:		0001209191-06-010916
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060213
FILED AS OF DATE:		20060215
DATE AS OF CHANGE:		20060215

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PANERA BREAD CO
		CENTRAL INDEX KEY:			0000724606
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				042723701
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	BUSINESS ADDRESS:	
		STREET 1:		6710 CLAYTON RD
		CITY:			RICHMOND HEIGHTS
		STATE:			MO
		ZIP:			63117
		BUSINESS PHONE:		3146337100

	MAIL ADDRESS:	
		STREET 1:		6710 CLAYTON RD
		CITY:			RICHMOND HEIGHTS
		STATE:			MO
		ZIP:			63117

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AU BON PAIN CO INC
		DATE OF NAME CHANGE:	19940201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AU BON PAIN COMPANY INC
		DATE OF NAME CHANGE:	19920501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHAICH RONALD M
		CENTRAL INDEX KEY:			0001034193

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19253
		FILM NUMBER:		06621819

	BUSINESS ADDRESS:	
		STREET 1:		6710 CLAYTON ROAD
		CITY:			RICHMOND HEIGHTS
		STATE:			MO
		ZIP:			63117
		BUSINESS PHONE:		3146337150

	MAIL ADDRESS:	
		STREET 1:		C/O AU BON PAIN CO INC
		STREET 2:		19 FID KENNEDY AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER NAME:	
		FORMER CONFORMED NAME:	SCHAICH RONALD M
		DATE OF NAME CHANGE:	19970219
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000724606</issuerCik>
        <issuerName>PANERA BREAD CO</issuerName>
        <issuerTradingSymbol>PNRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034193</rptOwnerCik>
            <rptOwnerName>SHAICH RONALD M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6710 CLAYTON ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RICHMOND HEIGHTS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Choice Award (Right to Restricted Shs or Stock Options)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21880</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2006-02-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>72.58</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21880</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-09-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21880</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21880</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents disposition of Choice Award defined below by election under the award. Choice Awards represented the right to elect to receive restricted shares of Class A common stock, par value $0.0001 per share (&quot;Class A Common Stock&quot;), or options to purchase shares of Class A Common Stock granted on 1/30/2006 under the Company?s 2005 Long-Term Incentive Program (&quot;LTIP&quot;), the Company?s 1992 Equity Incentive Plan (&quot;1992 Plan&quot;) and the Company?s 2001 Employee, Director and Consultant Stock Option Plan (&quot;2001 Plan&quot;) under which the Reporting Person could elect to receive, effective 2/13/06, an award in the form of (i) up to 5,470 shares of restricted Class A Common Stock under the 1992 Plan or (ii) non-statutory stock options (&quot;Stock Options&quot;) to purchase up to 21,880 shares of Class A Common Stock under the 2001 Plan, or a combination of restricted stock and non-statutory stock options (in 25% increments).</footnote>
        <footnote id="F2">The portion of the award elected to be received in the form of stock options was for stock options to purchase a number of shares equal to four (4) times the number of shares of restricted stock that would have been awarded. Effectiveness of Choice Awards were subject to the condition that the Reporting Person sign an acknowledgement (the &quot;Acknowledgment&quot;) that he agrees to a Confidential and Proprietary Information and Non-Competition Agreement, a Statement of Company Policy Regarding Securities Trades by Company Personnel, and a Business Conduct Standards Policy.</footnote>
        <footnote id="F3">Represents grant of Stock Options to purchase 21,880 shares of Class A Common Stock pursuant to election under Choice Award. The Stock Options vest over a five-year period from September 15, 2005, with 25% vesting on September 15, 2007, and an additional 25% vesting on September 15, 2008, 2009, and 2010, respectively. The Stock Options will terminate September 15, 2011, but will be subject to earlier termination as provided in the award agreement or in the 2001 Plan or the LTIP. The terms of the Choice Awards are described in footnote (1) and (2).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Ronald M. Shaich</signatureName>
        <signatureDate>2006-02-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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