Senior insider sale
Chief Operating Officer at ACUMEN PHARMACEUTICALS, INC. — senior position signals high conviction
$29.1K
15.16K shares
What this filing means
BARTON RUSSELL plans to sell 15.16K shares of ACUMEN PHARMACEUTICALS, INC. valued at approximately $29.1K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 1/21/2026ACC: 0001964306-26-000050
Officer· Chief Operating Officer
Since Jun 2021
15.16K
Shares to sell
$29.1K
Approx. market value
2.31K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Vesting of restricted stock unit award
Granted as part of issuer equity compensation plan
1/17/2026
2.31KTotal acquired2.31K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/17/2026 | Vesting of restricted stock unit award Granted as part of issuer equity compensation plan | 2.31K | — |
| Total | 2.31K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
3.53K
Market value
$6.6K
1/8/2026
—Completed
Units to sell
1.70K
Market value
$3.4K
1/7/2026
—Completed
Units to sell
3.62K
Market value
$7.1K
1/6/2026
—Completed
Units to sell
4K
Market value
$7.8K
1/5/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.31K
Market value
$4.2K
1/21/2026
Total
Units
15.16K
Value
$29.1K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
1/8/2026 | 3.53K | $6.6K | — | Completed |
1/7/2026 | 1.70K | $3.4K | — | Completed |
1/6/2026 | 3.62K | $7.1K | — | Completed |
1/5/2026 | 4K | $7.8K | — | Completed |
| Planned — Approximate Date | ||||
1/21/2026 | 2.31K | $4.2K | NASDAQ | Planned |
| Total | 15.16K | $29.1K | ||