<SEC-DOCUMENT>0001193125-23-190497-index.html : 20230720
<SEC-HEADER>0001193125-23-190497.hdr.sgml : 20230720
<ACCEPTANCE-DATETIME>20230720161112
ACCESSION NUMBER:		0001193125-23-190497
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20230720
DATE AS OF CHANGE:		20230720

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
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-266004
		FILM NUMBER:		231099836

	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>424B5
<SEQUENCE>1
<FILENAME>d519578d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d519578d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g519578g01a02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g519578g01a02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g519578g25s01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g519578g25s01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g519578g25s02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g519578g25s02.jpg

</DOCUMENT>
</SEC-DOCUMENT>