<SEC-DOCUMENT>0001209191-21-026933.txt : 20210416
<SEC-HEADER>0001209191-21-026933.hdr.sgml : 20210416
<ACCEPTANCE-DATETIME>20210416152701
ACCESSION NUMBER:		0001209191-21-026933
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210415
FILED AS OF DATE:		20210416
DATE AS OF CHANGE:		20210416

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dobler Curtis John
		CENTRAL INDEX KEY:			0001773645

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06365
		FILM NUMBER:		21831313

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

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:			0227

	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>2021-04-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001773645</rptOwnerCik>
            <rptOwnerName>Dobler Curtis John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4400 WEST 78TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 520</rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55435</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; CHRO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-04-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1369</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.71</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21002</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes restricted stock awards under the 2009 Stock Incentive Plan and 2019 Stock Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Meghan M. Elliott, Attorney-in-Fact for Curtis J. Dobler</signatureName>
        <signatureDate>2021-04-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.4_979448
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
POWER OF ATTORNEY



KNOW ALL PERSONS BY THESE PRESENTS, that I, Curtis J. Dobler, hereby constitute
and appoint Meghan M. Elliott, Ryan Tollgaard, David Wright Walstrom and Judith
A. Stone  and each of them, my true and lawful attorneys-in-fact and agents,
with full power of substitution and resubstitution for me and in my name, place
and stead, to sign any reports on Form 3 (Initial Statement of Beneficial
Ownership of Securities), Form 4 (Statement of Changes in Beneficial Ownership
of Securities) and Form 5 (Annual Statement of Changes in Beneficial Ownership
of Securities) relating to transactions by me in Common Stock or other
securities of Apogee Enterprises, Inc. and all amendments thereto, and to file
the same, with the Securities and Exchange Commission and the appropriate
securities exchange, granting unto said attorneys-in-fact and agents, and each
of them, or their substitutes, full power and authority to do and perform each
and every act and thing requisite or necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, and
each of them, or their substitutes, may lawfully do or cause to be done by
virtue hereof.  This Power of Attorney shall be effective until such time as I
deliver a written revocation thereof to the above-named attorneys-in-fact and
agents.



By: /s/ Curtis J. Dobler
	Curtis J. Dobler


Date:  September 3, 2020

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
