M. Derek Meisner's most recent trade in Acumen Pharmaceuticals Inc was a trade of 15,085 Employee Stock Option (right to buy) done . Disclosure was reported to the exchange on Jan. 26, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 26 Jan 2026 | 15,085 | 85,215 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 3.00 per share. | 26 Jan 2026 | 15,085 | 173,999 | - | 3.0 | 45,263 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.85 per share. | 26 Jan 2026 | 15,085 | 189,084 | - | 1.8 | 27,907 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 26 Jan 2026 | 2,671 | 82,544 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 3.00 per share. | 26 Jan 2026 | 2,671 | 173,999 | - | 3.0 | 8,017 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.85 per share. | 26 Jan 2026 | 2,671 | 176,670 | - | 1.8 | 4,941 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.90 per share. | 21 Jan 2026 | 5,633 | 173,999 | - | 1.9 | 10,718 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.81 per share. | 21 Jan 2026 | 2,247 | 180,686 | - | 1.8 | 4,063 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.84 per share. | 21 Jan 2026 | 1,054 | 179,632 | - | 1.8 | 1,939 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jan 2026 | 148,700 | 148,700 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jan 2026 | 99,133 | 182,933 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.82 per share. | 08 Jan 2026 | 30,092 | 97,548 | - | 1.8 | 54,867 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.71 per share. | 08 Jan 2026 | 8,548 | 83,800 | - | 1.7 | 14,658 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.82 per share. | 08 Jan 2026 | 6,819 | 127,640 | - | 1.8 | 12,379 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.76 per share. | 08 Jan 2026 | 5,200 | 92,348 | - | 1.8 | 9,169 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.99 per share. | 05 Jan 2026 | 10,070 | 134,459 | - | 2.0 | 20,035 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.97 per share. | 05 Jan 2026 | 7,097 | 150,030 | - | 2.0 | 13,961 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.96 per share. | 05 Jan 2026 | 4,000 | 157,127 | - | 2.0 | 7,838 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.97 per share. | 05 Jan 2026 | 3,801 | 146,229 | - | 2.0 | 7,477 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.99 per share. | 05 Jan 2026 | 1,700 | 144,529 | - | 2.0 | 3,379 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.59 per share. | 21 Jan 2025 | 3,418 | 161,127 | - | 1.6 | 5,435 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2025 | 100,300 | 100,300 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2025 | 66,800 | 164,545 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 1.84 per share. | 03 Jan 2025 | 11,122 | 97,745 | - | 1.8 | 20,506 | Common Stock |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Officer & Corp Sec | Sale of securities on an exchange or to another person at price $ 3.48 per share. | 19 Jan 2024 | 8,933 | 108,867 | - | 3.5 | 31,048 | Common Stock |
| Acumen Pharma Inc | M. Derek Meisner | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 137,000 | 137,000 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Meisner Derek M. | Chief Legal Officer & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 91,000 | 117,800 | - | 0 | Common Stock | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Office & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 17 Jan 2023 | 120,800 | 120,800 | - | - | Employee Stock Option (right to buy) | |
| Acumen Pharma Inc | Derek M. Meisner | Chief Legal Office & Corp Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 17 Jan 2023 | 26,800 | 26,800 | - | 0 | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | Chief Legal Officer | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Aug 2022 | 8,334 | 145,155 (0%) | 0% | - | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | Chief Legal Officer | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 24 Jun 2022 | 4,166 | 153,489 (0%) | 0% | - | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | Chief Legal Officer | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 16 Jun 2022 | 4,166 | 157,655 (0%) | 0% | - | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | Chief Legal Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2022 | 105,000 | 161,821 (1%) | 0% | 0 | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | Chief Legal Officer | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 11 Feb 2022 | 15,909 | 56,821 (0%) | 0% | - | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Sale of securities on an exchange or to another person at price $ 5.10 per share. | 17 Aug 2021 | 8,332 | 72,730 (0%) | 0% | 5.1 | 42,493 | Common Stock |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 23 Jun 2021 | 12,500 | 85,228 (0%) | 0% | 0 | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Sale of securities on an exchange or to another person at price $ 7.00 per share. | 23 Jun 2021 | 4,166 | 81,062 (0%) | 0% | 7 | 29,162 | Common Stock |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jun 2021 | 12,500 | 76,894 (0%) | 0% | 0 | Common Stock | |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Sale of securities on an exchange or to another person at price $ 7.84 per share. | 15 Jun 2021 | 4,166 | 72,728 (0%) | 0% | 7.8 | 32,661 | Common Stock |
| X4 Pharma Inc | Derek M. Meisner | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Mar 2021 | 47,728 | 64,394 (0%) | 0% | 0 | Common Stock |