Meisner Derek M (CIK 1752461) reported 22 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-10). Recent activity: Buy ABOS (2,090 shares), Sell ABOS (2,090 shares), Buy ABOS (9,406 shares), Sell ABOS (9,406 shares), Buy ABOS (15,085 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-10 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Buy | 2,090 | $3,866 |
| 2026-03-10 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 2,090 | $6,813 |
| 2026-03-03 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Buy | 9,406 | $17,401 |
| 2026-03-03 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 9,406 | $28,312 |
| 2026-01-28 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Buy | 15,085 | $27,907 |
| 2026-01-28 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 15,085 | $45,255 |
| 2026-01-28 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Buy | 2,671 | $4,941 |
| 2026-01-28 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 2,671 | $8,013 |
| 2026-01-23 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 2,247 | $4,067 |
| 2026-01-23 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 1,054 | $1,939 |
| 2026-01-23 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 5,633 | $10,703 |
| 2026-01-21 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Buy | 99,133 | $0 |
| 2026-01-12 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 6,819 | $12,411 |
| 2026-01-12 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 30,092 | $54,767 |
| 2026-01-12 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 5,200 | $9,152 |
| 2026-01-12 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 8,548 | $14,617 |
| 2026-01-07 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 4,000 | $7,840 |
| 2026-01-07 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 7,097 | $13,981 |
| 2026-01-07 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 3,801 | $7,488 |
| 2026-01-07 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 1,700 | $3,383 |
| 2026-01-07 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 10,070 | $20,039 |
| 2025-01-23 | Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | Sell | 3,418 | $5,435 |
Source: SEC Form 4 filings · as of 2026-03-10