<SEC-DOCUMENT>0001209191-18-000632.txt : 20180103
<SEC-HEADER>0001209191-18-000632.hdr.sgml : 20180103
<ACCEPTANCE-DATETIME>20180103133756
ACCESSION NUMBER:		0001209191-18-000632
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180103
DATE AS OF CHANGE:		20180103

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06365
		FILM NUMBER:		18504397

	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
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-31</periodOfReport>

    <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>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-12-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>66</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.73</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>66</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21706</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The phantom stock units were allocated under the Deferred Compensation Plan for Non-Employee Directors.  The units of phantom stock will be settled in shares of common stock following the director's termination from the Board in accordance with the election of the reporting person, or following the occurrence of other events specified in the Plan.</footnote>
        <footnote id="F2">Settled 1-for-1.</footnote>
        <footnote id="F3">Units acquired pursuant to a dividend equivalent reinvestment feature of the Deferred Compensation Plan for Non-Employee Directors.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Patricia A. Beithon, Attorney-in-Fact for Sara L. Hays</signatureName>
        <signatureDate>2018-01-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
