Derek M. Meisner
CIK: 0001752461
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Acumen Pharmaceuticals, Inc.
Discretionary Trading P&L
Holdings
Transaction History (24 total)
- Mar 6, 2026ABOS
Acumen Pharmaceuticals, Inc.
Exercise(M)Direct2.1K shares at avg. $1.85$4K - Mar 6, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct2.1K shares at avg. $3.26$7K - Feb 27, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct9.4K shares at avg. $3.01$28K - Feb 27, 2026ABOS
Acumen Pharmaceuticals, Inc.
Exercise(M)Direct9.4K shares at avg. $1.85$17K - Jan 28, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct2.7K shares at avg. $3.00$8K - Jan 28, 2026ABOS
Acumen Pharmaceuticals, Inc.
Exercise(M)Direct2.7K shares at avg. $1.85$5K - Jan 26, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct15.1K shares at avg. $3.00$45K - Jan 26, 2026ABOS
Acumen Pharmaceuticals, Inc.
Exercise(M)Direct15.1K shares at avg. $1.85$28K - Jan 23, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct5.6K shares at avg. $1.90$11K - Jan 22, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct1.1K shares at avg. $1.84$2K - Jan 21, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct2.2K shares at avg. $1.81$4K - Jan 16, 2026ABOS
Acumen Pharmaceuticals, Inc.
Award(A)Direct99.1K shares- - Jan 12, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct8.5K shares at avg. $1.71$15K - Jan 9, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct5.2K shares at avg. $1.76$9K - Jan 8, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct30.1K shares at avg. $1.82$55K - Jan 8, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct6.8K shares at avg. $1.82$12K - Jan 7, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct10.1K shares at avg. $1.99$20K - Jan 7, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct1.7K shares at avg. $1.99$3K - Jan 6, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct7.1K shares at avg. $1.97$14K - Jan 6, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct3.8K shares at avg. $1.97$7K - Jan 5, 2026ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct4K shares at avg. $1.96$8K - Jan 21, 2025ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct3.4K shares at avg. $1.59$5K - Jan 6, 2025ABOS
Acumen Pharmaceuticals, Inc.
Award(A)Direct66.8K shares- - Jan 3, 2025ABOS
Acumen Pharmaceuticals, Inc.
Sale(S)Direct11.1K shares at avg. $1.84$21K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 6, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Exercise(M) | 2,090 | $1.85 | $3,867 | Direct |
| Mar 6, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 2,090 | $3.26 | $6,813 | Direct |
| Feb 27, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 9,406 | $3.01 | $28,311 | Direct |
| Feb 27, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Exercise(M) | 9,406 | $1.85 | $17,401 | Direct |
| Jan 28, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 2,671 | $3.00 | $8,017 | Direct |
| Jan 28, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Exercise(M) | 2,671 | $1.85 | $4,941 | Direct |
| Jan 26, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 15,085 | $3.00 | $45,263 | Direct |
| Jan 26, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Exercise(M) | 15,085 | $1.85 | $27,907 | Direct |
| Jan 23, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 5,633 | $1.90 | $10,718 | Direct |
| Jan 22, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 1,054 | $1.84 | $1,939 | Direct |
| Jan 21, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 2,247 | $1.81 | $4,063 | Direct |
| Jan 16, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Award(A) | 99,133 | - | $0 | Direct |
| Jan 12, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 8,548 | $1.71 | $14,658 | Direct |
| Jan 9, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 5,200 | $1.76 | $9,169 | Direct |
| Jan 8, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 30,092 | $1.82 | $54,867 | Direct |
| Jan 8, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 6,819 | $1.82 | $12,379 | Direct |
| Jan 7, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 10,070 | $1.99 | $20,035 | Direct |
| Jan 7, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 1,700 | $1.99 | $3,379 | Direct |
| Jan 6, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 7,097 | $1.97 | $13,961 | Direct |
| Jan 6, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 3,801 | $1.97 | $7,477 | Direct |
| Jan 5, 2026 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 4,000 | $1.96 | $7,838 | Direct |
| Jan 21, 2025 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 3,418 | $1.59 | $5,435 | Direct |
| Jan 6, 2025 | ABOS Acumen Pharmaceuticals, Inc. | Award(A) | 66,800 | - | $0 | Direct |
| Jan 3, 2025 | ABOS Acumen Pharmaceuticals, Inc. | Sale(S) | 11,122 | $1.84 | $20,506 | Direct |
1-24 of 24 transactions
About Meisner Derek M
Meisner Derek M (SEC CIK 0001752461) files insider reports with the SEC as Chief Legal Officer & Corp Sec of Acumen Pharmaceuticals, Inc. (ABOS).
Signal8 holds 9 ownership filings by Meisner Derek M, all Form 4s, filed between Jan 7, 2025 and Mar 10, 2026. Those filings report 24 transactions, from Jan 3, 2025 to Mar 6, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Meisner Derek M's filings is in NEWTON, MA.
Recent filings by Meisner Derek M
- Mar 6, 2026: Option exercise of ABOS shares (Form 4, code M).
- Mar 6, 2026: Open-market sale of ABOS shares (Form 4, code S).
- Feb 27, 2026: Open-market sale of ABOS shares (Form 4, code S).
- Feb 27, 2026: Option exercise of ABOS shares (Form 4, code M).
- Jan 28, 2026: Open-market sale of ABOS shares (Form 4, code S).
Other insiders filing for Acumen Pharmaceuticals, Inc. (ABOS)
- Porter Derrell, Director
- Fountain Nathan B, Director
- RA CAPITAL MANAGEMENT, L.P., Director
- Drapkin Kimberlee C, Director
- Stalfort John A III, Director
- Ives Jeffrey L., Director