Barton Russell

Filing for proposed sale of securities under Rule 144

Acumen Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities

Acumen Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities

Acumen Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities

Acumen Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities

Acumen Pharmaceuticals, Inc.: Initial statement of beneficial ownership of securities