Barton Russell Insider Trading -- Recent SEC Form 4 Transactions

Barton Russell (CIK 1867418) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-23). Recent activity: Sell ABOS (2,315 shares), Sell ABOS (462 shares), Buy ABOS (84,600 shares), Sell ABOS (3,530 shares), Sell ABOS (4,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-01-23Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell2,315$4,190
2026-01-23Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell462$850
2026-01-21Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerBuy84,600$0
2026-01-12Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell3,530$6,566
2026-01-07Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell4,000$7,840
2026-01-07Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell3,618$7,127
2026-01-07Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell1,700$3,383
2025-01-23Acumen Pharmaceuticals, Inc. (ABOS)Chief Operating OfficerSell2,914$4,692

Source: SEC Form 4 filings · as of 2026-01-23