Barton Russell's most recent trade in Acumen Pharmaceuticals Inc was a trade of 2,315 Common Stock done at an average price of $1.8 . Disclosure was reported to the exchange on Jan. 21, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.81 per share. | 21 Jan 2026 | 2,315 | 205,554 | - | 1.8 | 4,181 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.84 per share. | 21 Jan 2026 | 462 | 205,092 | - | 1.8 | 850 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jan 2026 | 126,900 | 126,900 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jan 2026 | 84,600 | 207,869 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.86 per share. | 08 Jan 2026 | 3,530 | 123,269 | - | 1.9 | 6,562 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.96 per share. | 05 Jan 2026 | 4,000 | 132,117 | - | 2.0 | 7,832 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.97 per share. | 05 Jan 2026 | 3,618 | 128,499 | - | 2.0 | 7,114 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.99 per share. | 05 Jan 2026 | 1,700 | 126,799 | - | 2.0 | 3,378 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.61 per share. | 21 Jan 2025 | 2,914 | 136,117 | - | 1.6 | 4,692 | Common Stock |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2025 | 74,700 | 74,700 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2025 | 49,800 | 139,031 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 1.86 per share. | 03 Jan 2025 | 7,636 | 89,231 | - | 1.9 | 14,225 | Common Stock |
| Acumen Pharma Inc | Barton Russell | Chief Operating Officer | Sale of securities on an exchange or to another person at price $ 3.73 per share. | 18 Jan 2024 | 2,833 | 96,867 | - | 3.7 | 10,555 | Common Stock |
| Acumen Pharma Inc | Barton Russell | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 110,000 | 110,000 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Barton Russell | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 73,000 | 99,700 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 17 Jan 2023 | 120,200 | 120,200 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 17 Jan 2023 | 26,700 | 26,700 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Russell Barton | Chief Operating Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Jan 2022 | 135,000 | 135,000 | - | - | Employee Stock Option (right to buy) |