Meisner Derek M — SEC Form 4 filings
SEC reporting owner CIK 1752461. 10 Form 4 filings on record with FilingPulse; latest filed 2026-03-10.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-01-19 to 2026-03-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 19 legs across 9 filings — 138,986 shares, $305,877 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 30,092 shares @ $1.82 ($54,867) in Acumen Pharmaceuticals, Inc., filed 2026-01-12.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Acumen Pharmaceuticals, Inc. (ABOS) | Chief Legal Officer & Corp Sec | 10 | — | 19 legs · 138,986 sh · $305,877 | 12 |
Form 4 filings — Meisner Derek M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-10 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Option exercise (M): 2,090 @ $1.85 · Sale (S): 2,090 @ $3.26 · Option exercise (M): 2,090 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Option exercise (M): 9,406 @ $1.85 · Sale (S): 9,406 @ $3.01 · Option exercise (M): 9,406 (derivative) @ $0 | EDGAR |
| 2026-01-28 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Option exercise (M): 15,085 @ $1.85 · Sale (S): 15,085 @ $3.00 · Option exercise (M): 2,671 @ $1.85 · Sale (S): 2,671 @ $3.00 · Option exercise (M): 15,085 (derivative) @ $0 · Option exercise (M): 2,671 (derivative) @ $0 | EDGAR |
| 2026-01-23 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 2,247 @ $1.81 · Sale (S): 1,054 @ $1.84 · Sale (S): 5,633 @ $1.90 | EDGAR |
| 2026-01-21 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Grant/award (A): 99,133 @ $0 · Grant/award (A): 148,700 (derivative) @ $0 | EDGAR |
| 2026-01-12 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 6,819 @ $1.82 · Sale (S): 30,092 @ $1.82 · Sale (S): 5,200 @ $1.76 · Sale (S): 8,548 @ $1.71 | EDGAR |
| 2026-01-07 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 4,000 @ $1.96 · Sale (S): 7,097 @ $1.97 · Sale (S): 3,801 @ $1.97 · Sale (S): 1,700 @ $1.99 · Sale (S): 10,070 @ $1.99 | EDGAR |
| 2025-01-23 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 3,418 @ $1.59 | EDGAR |
| 2025-01-07 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 11,122 @ $1.84 · Grant/award (A): 66,800 @ $0 · Grant/award (A): 100,300 (derivative) @ $0 | EDGAR |
| 2024-01-19 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 8,933 @ $3.48 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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