<SEC-DOCUMENT>0001209191-21-043225.txt : 20210625
<SEC-HEADER>0001209191-21-043225.hdr.sgml : 20210625
<ACCEPTANCE-DATETIME>20210625113225
ACCESSION NUMBER:		0001209191-21-043225
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210624
FILED AS OF DATE:		20210625
DATE AS OF CHANGE:		20210625

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Alvord Christina M
		CENTRAL INDEX KEY:			0001692983

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06365
		FILM NUMBER:		211045953

	MAIL ADDRESS:	
		STREET 1:		1200 URBAN CENTER DRIVE
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35242

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>2021-06-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001692983</rptOwnerCik>
            <rptOwnerName>Alvord Christina M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APOGEE ENTERPRISES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4400 WEST 78TH STREET, SUITE 520</rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55435</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>2021-06-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2721</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9113</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares vest over a three year vesting period with one-third of the shares vesting on each anniversary of the award.</footnote>
        <footnote id="F2">Includes restricted stock awards under the 2019 Non-Employee Director Stock Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Meghan M. Elliott, Attorney-in-Fact for Christina M. Alvord</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.4_995577
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, Christina M. Alvord,
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/ Christina M. Alvord
	Christina M. Alvord

Date:  September 9, 2020










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