<SEC-DOCUMENT>0001576885-25-000057-index.html : 20250423 <SEC-HEADER>0001576885-25-000057.hdr.sgml : 20250423 <ACCEPTANCE-DATETIME>20250423162313 ACCESSION NUMBER: 0001576885-25-000057 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 17 CONFORMED PERIOD OF REPORT: 20250604 FILED AS OF DATE: 20250423 DATE AS OF CHANGE: 20250423 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Acumen Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001576885 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 364108129 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-40551 FILM NUMBER: 25861823 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>DEF 14A <SEQUENCE>1 <FILENAME>abos-20250422.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: abos-20250422.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>2 <FILENAME>abos-20250422.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 2 - file: abos-20250422.xsd
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>abos-20250422_g1.jpg <TEXT> Document 3 - file: abos-20250422_g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>abos-20250422_g2.jpg <TEXT> Document 4 - file: abos-20250422_g2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>abos-20250422_g3.jpg <TEXT> Document 5 - file: abos-20250422_g3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>abos-20250422_g4.jpg <TEXT> Document 6 - file: abos-20250422_g4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>abos-20250422_g5.jpg <TEXT> Document 7 - file: abos-20250422_g5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>9 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>13 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: FilingSummary.html
Document 15 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>17 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>18 <FILENAME>0001576885-25-000057-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: 0001576885-25-000057-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>19 <FILENAME>abos-20250422_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: abos-20250422_htm.html
Document 19 - RAW XML: abos-20250422_htm.xml
</DOCUMENT> </SEC-DOCUMENT>