# EDGAR Filing Document

**Accession Number:** 0001576885
**File Stem:** 0001628280-26-026874
**Filing Date:** 2026-4
**Character Count:** 1224
**Document Hash:** 4242e6d737174cbc118e8af2e964ff4f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-026874.hdr.sgml**: 20260423

**ACCESSION NUMBER**: 0001628280-26-026874

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260423

**DATE AS OF CHANGE**: 20260423

**EFFECTIVENESS DATE**: 20260423

**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:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40551
- **FILM NUMBER:** 26889145

**BUSINESS ADDRESS:**
- **STREET 1:** 1210-1220 WASHINGTON STREET
- **STREET 2:** SUITE 210
- **CITY:** NEWTON
- **STATE:** MA
- **ZIP:** 02465
- **BUSINESS PHONE:** 617-344-4190

**MAIL ADDRESS:**
- **STREET 1:** 1210-1220 WASHINGTON STREET
- **STREET 2:** SUITE 210
- **CITY:** NEWTON
- **STATE:** MA
- **ZIP:** 02465

### Attached PDF Documents

**Attachment 1:** `active_170316736x1xacumena.pdf`

_No text found in this document._