Insiders / Barton Russell
Barton Russell
CIK 1867418personinsider
Companies
1
First seen
Jan 7, 2026
Last activity
Jan 23, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Acumen Pharmaceuticals, Inc. · ABOS | 205,092 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Acumen Pharmaceuticals, Inc. | Common Stock | 205,092 |
| Acumen Pharmaceuticals, Inc. | Employee Stock Option (right to buy)Derivative | 126,900 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jan 5, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $7.8K | -4K -2.94% | 132,117 0.18% of shares | low |
| Jan 6, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $7.1K | -4K -2.74% | 128,499 0.18% of shares | low |
| Jan 8, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $6.6K | -4K -2.78% | 123,269 0.17% of shares | low |
| Jan 21, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $4.2K | -2K -1.11% | 205,554 0.28% of shares | low |
| Jan 7, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $3.4K | -2K -1.32% | 126,799 0.18% of shares | low |
| Jan 22, 2026 | Sell | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $850 | -462 -0.22% | 205,092 0.28% of shares | low |
| Jan 16, 2026 | Grant | ABOS Acumen Pharmaceuticals, Inc. Common Stock | $0 | +85K +68.63% | 207,869 0.29% of shares | low |
| Jan 16, 2026 | Grant | ABOS Acumen Pharmaceuticals, Inc. Employee Stock Option (right to buy) | — | +127K | 126,900 0.18% of shares | low |