Siemers Eric — SEC Form 4 filings
SEC reporting owner CIK 1866239. 6 Form 4 filings on record with FilingPulse; latest filed 2026-01-23.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-01-19 to 2026-01-23. 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): 7 legs across 5 filings — 31,262 shares, $63,879 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 4.
- Largest priced transaction: sale of 10,859 shares @ $1.85 ($20,047) in Acumen Pharmaceuticals, Inc., filed 2025-01-07.
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 Medical Officer | 6 | — | 7 legs · 31,262 sh · $63,879 | 4 |
Form 4 filings — Siemers Eric
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-01-23 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 2,331 @ $1.80 · Sale (S): 895 @ $1.82 | EDGAR |
| 2026-01-21 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Grant/award (A): 99,133 @ $0 · Grant/award (A): 148,700 (derivative) @ $0 | EDGAR |
| 2026-01-07 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 4,000 @ $1.96 · Sale (S): 6,834 @ $1.97 | EDGAR |
| 2025-01-23 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 3,219 @ $1.59 | EDGAR |
| 2025-01-07 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 10,859 @ $1.85 · Grant/award (A): 66,800 @ $0 · Grant/award (A): 100,300 (derivative) @ $0 | EDGAR |
| 2024-01-19 | 4 | Acumen Pharmaceuticals, Inc. (ABOS) | Sale (S): 3,124 @ $3.71 | 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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