MEISNER DEREK M (Chief Legal Officer & Corp Sec) sold 9.3% of their position (17.76K shares) of ACUMEN PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $53.3K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
Common Stock
Shares
+15.09K
Price / share
$1.85
Trade value
$27.91K
% of position
Common Stock
Shares
−15.09K
Price / share
$3.00
Trade value
$45.26K
% of position
Common Stock
Shares
+2.67K
Price / share
$1.85
Trade value
$4.94K
% of position
Common Stock
Shares
−2.67K
Price / share
$3.00
Trade value
$8.02K
% of position
Net shares
+0.00
Net value
-$20.43K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/26/2026 | M · Option Exercise | +15.09K | $1.85 | $27.91K | 8.7% | 174K | 189.08K |
| Common Stock Direct | 1/26/2026 | S · Sale | −15.09K | $3.00 | $45.26K | 8.0% | 189.08K | 174K |
| Common Stock Direct | 1/28/2026 | M · Option Exercise | +2.67K | $1.85 | $4.94K | 1.5% | 174K | 176.67K |
| Common Stock Direct | 1/28/2026 | S · Sale | −2.67K | $3.00 | $8.02K | 1.5% | 176.67K | 174K |
| Total | +0.00 | -$20.43K | ||||||
Employee Stock Option (right to buy)
Common Stock
15.09K shares
Shares
−15.09K
Strike price
1.85
Held after
85.22K
Exercisable
—
Employee Stock Option (right to buy)
Common Stock
2.67K shares
Shares
−2.67K
Strike price
1.85
Held after
82.54K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Stock Option (right to buy) Direct | Common Stock15.09K shares | 1/26/2026 | M · Option Exercise | −15.09K | 1.85 | — | 85.22K |
| Employee Stock Option (right to buy) Direct | Common Stock2.67K shares | 1/28/2026 | M · Option Exercise | −2.67K | 1.85 | — | 82.54K |