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    <ACCEPTANCE-DATETIME>20210702160941
    ACCESSION NUMBER:		0001193125-21-207605
    CONFORMED SUBMISSION TYPE:	424B4
    PUBLIC DOCUMENT COUNT:		19
    FILED AS OF DATE:		20210702
    DATE AS OF CHANGE:		20210702

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		424B4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-256945
    		FILM NUMBER:		211070077

    	BUSINESS ADDRESS:
    		STREET 1:		4435 NORTH FIRST STREET, SUITE 360
    		CITY:			LIVERMORE
    		STATE:			CA
    		ZIP:			94551
    		BUSINESS PHONE:		925-368-8508

    	MAIL ADDRESS:
    		STREET 1:		4435 NORTH FIRST STREET, SUITE 360
    		CITY:			LIVERMORE
    		STATE:			CA
    		ZIP:			94551
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