---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-001236"
form_type: "8-K"
ticker: "ABOS"
cik: "0001576885"
company_name: "Acumen Pharmaceuticals, Inc."
filed_at: "2023-01-04T23:59:59+00:00"
generated_at: "2026-06-20T20:18:57.639372+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Acumen appoints Dr. Derrell Porter to board effective Jan. 4, 2023

## Summary
- Dr. Porter appointed as Class II independent director; named to Nominating and Governance Committee.
- He receives 50,000-share stock option with 10-yr term, vesting monthly over 3 years.
- Annual retainer of $35,000 for board service and $4,000 for committee service.
- Dr. Porter is Founder/CEO of Cellevolve; brings drug development and commercialization expertise.

## SEC filing metadata
- accession: 0001193125-23-001236
- form_type: 8-K
- ticker: ABOS
- cik: 0001576885
- company_name: Acumen Pharmaceuticals, Inc.
- filed_at: 2023-01-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1576885/000119312523001236/0001193125-23-001236-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1576885/000119312523001236/d367027d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-001236
- JSON: https://secwatch.observer/filing/0001193125-23-001236.json
- Plain text: https://secwatch.observer/filing/0001193125-23-001236.txt

## Key facts
- Executive change
  Dr. Derrell Porter was appointed as director at Acumen Pharmaceuticals, Inc..
  - Action: appointed
  - Role: director
  source text: On January 3, 2023, the Board of Directors (the “ Board ”) of Acumen Pharmaceuticals, Inc. (the “ Company ”) approved the appointment of Dr. Derrell Porter to serve as a director on the Board, effective January 4, 2023 (the “ Effective Date ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1576885/000119312523001236/0001193125-23-001236-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.