Insider · CIK 0001869596
Nathan B Fountain
Files at: ABOS. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 9, 2026 SForm 4 → | Jun 10, 4:51 pm EDT | Acumen Pharmaceuticals, Inc.ABOS | 6,400 | $2.23 | $14,273 | 48,150 | −11.7% | |
| Jun 3, 2026 AForm 4 → | Jun 5, 4:32 pm EDT | Acumen Pharmaceuticals, Inc.ABOS | 35,500 | — | — | 54,550 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 AForm 4 → | Jun 5, 4:32 pm EDT | Acumen Pharmaceuticals, Inc.ABOS | 53,250 | — | — | 53,250 | — |