<SEC-DOCUMENT>0001209191-22-037889.txt : 20220617
<SEC-HEADER>0001209191-22-037889.hdr.sgml : 20220617
<ACCEPTANCE-DATETIME>20220617162729
ACCESSION NUMBER:		0001209191-22-037889
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220615
FILED AS OF DATE:		20220617
DATE AS OF CHANGE:		20220617

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fountain Nathan B
		CENTRAL INDEX KEY:			0001869596

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40551
		FILM NUMBER:		221024238

	MAIL ADDRESS:	
		STREET 1:		C/O ACUMEN PHARMACEUTICALS, INC.
		STREET 2:		427 PARK STREET
		CITY:			CHARLOTTESVILLE
		STATE:			VA
		ZIP:			22902

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Acumen Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001576885
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				364108129
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		427 PARK ST.
		CITY:			CHARLOTTESVILLE
		STATE:			VA
		ZIP:			22902
		BUSINESS PHONE:		925-368-8508

	MAIL ADDRESS:	
		STREET 1:		427 PARK ST.
		CITY:			CHARLOTTESVILLE
		STATE:			VA
		ZIP:			22902
</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>2022-06-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001576885</issuerCik>
        <issuerName>Acumen Pharmaceuticals, Inc.</issuerName>
        <issuerTradingSymbol>ABOS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001869596</rptOwnerCik>
            <rptOwnerName>Fountain Nathan B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACUMEN PHARMACEUTICALS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>427 PARK STREET</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTESVILLE</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22902</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.59</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-06-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2032-06-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares subject to the option will vest on on the earlier of June 15, 2023 or the 2023 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Katherine Denby, Attorney-in-Fact</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
