<SEC-DOCUMENT>0000899243-21-025333.txt : 20210622
<SEC-HEADER>0000899243-21-025333.hdr.sgml : 20210622
<ACCEPTANCE-DATETIME>20210622174033
ACCESSION NUMBER:		0000899243-21-025333
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210617
FILED AS OF DATE:		20210622
DATE AS OF CHANGE:		20210622

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Patterson Matthew R
		CENTRAL INDEX KEY:			0001401018

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		211036486

	MAIL ADDRESS:	
		STREET 1:		C/O AMICUS THERAPEUTICS, INC.
		STREET 2:		6 CEDAR BROOK DRIVE
		CITY:			CRANBURY
		STATE:			NJ
		ZIP:			08512

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Homology Medicines, Inc.
		CENTRAL INDEX KEY:			0001661998
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				473468154
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PATRIOTS PARK
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		781-301-7277

	MAIL ADDRESS:	
		STREET 1:		ONE PATRIOTS PARK
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
</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>2021-06-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001661998</issuerCik>
        <issuerName>Homology Medicines, Inc.</issuerName>
        <issuerTradingSymbol>FIXX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001401018</rptOwnerCik>
            <rptOwnerName>Patterson Matthew R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HOMOLOGY MEDICINES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE PATRIOTS PARK</rptOwnerStreet2>
            <rptOwnerCity>BEDFORD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>7.26</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-06-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2031-06-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option shall vest and become exercisable on the earlier of June 17, 2022 or the day immediately prior to the date of the Issuer's next annual meeting of stockholders occurring after the date of grant, in either case subject to the Reporting Person continuing in service on the Board as a Non-Employee Director through such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Bradford Smith, Attorney-in-Fact for Matthew R. Patterson</signatureName>
        <signatureDate>2021-06-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
