Russell Barton serves as Executive at Acumen Pharmaceuticals, Inc., where they oversee executive responsibilities. Since joining the company, Russell Barton has executed 11 insider transactions totaling $40.5K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 22, 2026 involved selling 462 shares valued at $850.
Russell Barton currently holds 205,092 shares of Acumen Pharmaceuticals, Inc. (ABOS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Russell Barton has been a net seller of ABOS stock. They have purchased $0 and sold $40.5K worth of shares.
Russell Barton's most recent insider trade was on Jan 22, 2026, when they sold 462 shares at $1.84 per share.
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| $1.81 |
| Discretionary |
| Jan 16, 2026 | ABOS | $0 | Award | 126,900 | $N/A | Discretionary |
| Jan 16, 2026 | ABOS | $0 | Award | 84,600 | $N/A | Discretionary |
| Jan 8, 2026 | ABOS | $6.6K | Sale | 3,530 | $1.86 | Discretionary |
| Jan 7, 2026 | ABOS | $3.4K | Sale | 1,700 | $1.99 | Discretionary |
| Jan 6, 2026 | ABOS | $7.1K | Sale | 3,618 | $1.97 | Discretionary |
| Jan 5, 2026 | ABOS | $7.8K | Sale | 4,000 | $1.96 | Discretionary |
| Jan 18, 2024 | ABOS | $10.6K | Sale | 2,833 | $3.73 | Planned |
| Jan 2, 2024 | ABOS | $0 | Award | 73,000 | $N/A | Discretionary |
| Jan 17, 2023 | ABOS | $0 | Award | 26,700 | $N/A | Discretionary |