<SEC-DOCUMENT>0001193125-21-207605-index.html : 20210702
<SEC-HEADER>0001193125-21-207605.hdr.sgml : 20210702
<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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d104413d424b4.htm
<DESCRIPTION>424B4
<TEXT>
Document 1 - file: d104413d424b4.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g104413g00q15.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g104413g00q15.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g104413g03a03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g104413g03a03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g104413g04q02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g104413g04q02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g104413g11t00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g104413g11t00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g104413g20a69.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g104413g20a69.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g104413g21g20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g104413g21g20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g104413g22y47.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g104413g22y47.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g104413g30s55.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g104413g30s55.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g104413g51i08.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g104413g51i08.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g104413g52c34.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g104413g52c34.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g104413g56t67.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g104413g56t67.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g104413g64m48.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g104413g64m48.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g104413g71z61.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g104413g71z61.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g104413g82e41.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g104413g82e41.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g104413g89k52.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g104413g89k52.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g104413g89w33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g104413g89w33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g104413g92p79.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g104413g92p79.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g104413g98x03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g104413g98x03.jpg
</DOCUMENT> </SEC-DOCUMENT>