secwatch.observer — SEC 8-K summary ====================================== Issuer: Acumen Pharmaceuticals, Inc. (ABOS) CIK: 0001576885 Form: 8-K Filed at: 2023-07-17T23:59:59+00:00 Accession: 0001193125-23-187579 Event type: other_material Sentiment: positive Materiality: 0.88 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Acumen's ACU193 Phase 1 meets endpoints; plaque reduction up to 25%, low ARIA-E rate -------------------------------------------------------------------------------- - 60 mg/kg Q4W cohort showed 25% mean amyloid plaque reduction at day 63; 25 mg/kg Q2W showed 20% at day 70. - Overall ARIA-E rate 10.4% (5/48); symptomatic ARIA-E 2.1% (1/48); no drug-related serious adverse events. - Statistically significant dose-proportional PK and near-maximal target engagement of toxic AβOs in CSF. - Monthly dosing supported by pharmacokinetic and CSF data; company plans FDA interaction in Q4 2023. - INTERCEPT-AD enrolled 60 early-AD participants; results to be submitted for peer-reviewed publication. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1576885/000119312523187579/0001193125-23-187579-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1576885/000119312523187579/d518971d8k.htm HTML page: https://secwatch.observer/filing/0001193125-23-187579 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer