0001576885-25-000029.txt : 20250123 0001576885-25-000029.hdr.sgml : 20250123 20250123170650 ACCESSION NUMBER: 0001576885-25-000029 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250121 FILED AS OF DATE: 20250123 DATE AS OF CHANGE: 20250123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Siemers Eric CENTRAL INDEX KEY: 0001866239 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40551 FILM NUMBER: 25550921 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] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 364108129 STATE OF INCORPORATION: DE 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 4 1 wk-form4_1737670003.xml FORM 4 X0508 4 2025-01-21 0 0001576885 Acumen Pharmaceuticals, Inc. ABOS 0001866239 Siemers Eric C/O ACUMEN PHARMACEUTICALS, INC. 1210-1220 WASHINGTON STREET, SUITE 210 NEWTON MA 02465 0 1 0 0 Chief Medical Officer 1 Common Stock 2025-01-21 4 S 0 3219 1.59 D 170298 D Represents the number of shares sold by the Reporting Person through an automatic "sell to cover" transaction to satisfy tax withholding obligations in connection with the vesting of restricted stock units pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2024. /s/ Derek Meisner, Attorney-in-Fact 2025-01-23