BARTON RUSSELL

PrivateCIK: 1867418
Location

CHARLOTTESVILLE, VA

Senior insider sale

Chief Operating Officer at ACUMEN PHARMACEUTICALS, INC. — senior position signals high conviction

$29.9K

15.63K shares

What this filing means

BARTON RUSSELL plans to sell 15.63K shares of ACUMEN PHARMACEUTICALS, INC. valued at approximately $29.9K. 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.

InsiderBARTON RUSSELLCIK 1867418
Officer· Chief Operating Officer
Since Jun 2021
15.63K
Shares to sell
$29.9K
Approx. market value
462.00
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Sort

Vesting of restricted stock unit award

Granted as part of issuer equity compensation plan

1/17/2026
462.00
Total acquired462.00
Planned & Completed Dispositions6
Sort

Completed

Completed

Units to sell

2.31K

Market value

$4.2K

1/21/2026
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

462.00

Market value

$850.08

1/22/2026
Total

Units

15.63K

Value

$29.9K

BARTON RUSSELL — Planned Insider Sale (Form 144) | Finecho