<SEC-DOCUMENT>0001209191-18-022808.txt : 20180403
<SEC-HEADER>0001209191-18-022808.hdr.sgml : 20180403
<ACCEPTANCE-DATETIME>20180403153154
ACCESSION NUMBER:		0001209191-18-022808
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180125
FILED AS OF DATE:		20180403
DATE AS OF CHANGE:		20180403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hays Sara L
		CENTRAL INDEX KEY:			0001340825

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06365
		FILM NUMBER:		18733062

	MAIL ADDRESS:	
		STREET 1:		WRIGHTWOOD CAPITAL, TWO NORTH LASALLE ST
		STREET 2:		EIGHTH FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APOGEE ENTERPRISES, INC.
		CENTRAL INDEX KEY:			0000006845
		STANDARD INDUSTRIAL CLASSIFICATION:	GLASS PRODUCTS, MADE OF PURCHASED GLASS [3231]
		IRS NUMBER:				410919654
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0228

	BUSINESS ADDRESS:	
		STREET 1:		4400 WEST 78TH STREET
		STREET 2:		SUITE 520
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55435
		BUSINESS PHONE:		6128351874

	MAIL ADDRESS:	
		STREET 1:		4400 WEST 78TH STREET
		STREET 2:		SUITE 520
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55435

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APOGEE ENTERPRISES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HARMON GLASS CO INC
		DATE OF NAME CHANGE:	19720623
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2018-01-25</periodOfReport>

    <dateOfOriginalSubmission>2018-01-25</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000006845</issuerCik>
        <issuerName>APOGEE ENTERPRISES, INC.</issuerName>
        <issuerTradingSymbol>APOG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001340825</rptOwnerCik>
            <rptOwnerName>Hays Sara L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2131 WEST SHAKESPEARE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60647</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-01-25</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2229</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.46</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17891</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported is the weighted average sale price for the transactions reported.  The prices received ranged from $45.45 to $45.48.  The Reporting Person will provide to the issuer, a security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each price within the range.</footnote>
        <footnote id="F2">Includes restricted stock awards under the 2009 Non-Employee Director Stock Incentive Plan.</footnote>
        <footnote id="F3">Correction of mathematical error.  The remainder of the form contains no changes and has been stated as originally filed.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Patricia A. Beithon, Attorney-in-Fact for Sara L. Hays</signatureName>
        <signatureDate>2018-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
