Filing Manager
James B. Murray Jr.
Reporting Manager
James B. Murray Jr.
Symbol
ABOS
Shares outstanding
72,227,200 shares
Disclosed Ownership
3,611,360 shares
Ownership
5%
Form type
SCHEDULE 13G
Filing time
07 Apr 2026, 16:05:05 UTC
Date of event
04 Apr 2025

Quoteable Key Fact

"James B. Murray Jr. disclosed 5% ownership in Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (ABOS) on 04 Apr 2025."

Quick Takeaways

  • James B. Murray Jr. filed SCHEDULE 13G for Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (ABOS).
  • Disclosed ownership: 5%.
  • Date of event: 04 Apr 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 07 Apr 2026, 16:05.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
James B. Murray Jr. 5% 3,611,360 3,468,465 142,895 /s/ James B. Murray, Jr. James B. Murray, Jr.