MEISNER DEREK M (Chief Legal Officer & Corp Sec) sold 4.9% of their position (8.93K shares) of ACUMEN PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $16.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 1/23/2026ACC: 0001628280-26-003349
Officer· Chief Legal Officer & Corp Sec
Since Feb 2026
-8.93K
Net shares
Net seller
$16.7K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
8.93K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
−2.25K
Price / share
$1.81
Trade value
$4.06K
% of position
1.2%
1/21/2026
182.93K→180.69K
Common Stock
Direct
Shares
−1.05K
Price / share
$1.84
Trade value
$1.94K
% of position
0.6%
1/22/2026
180.69K→179.63K
Common Stock
Direct
Shares
−5.63K
Price / share
$1.90
Trade value
$10.72K
% of position
3.1%
1/23/2026
179.63K→174K
Total
Net shares
−8.93K
Net value
-$16.72K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/21/2026 | S · Sale | −2.25K | $1.81 | $4.06K | 1.2% | 182.93K | 180.69K |
| Common Stock Direct | 1/22/2026 | S · Sale | −1.05K | $1.84 | $1.94K | 0.6% | 180.69K | 179.63K |
| Common Stock Direct | 1/23/2026 | S · Sale | −5.63K | $1.90 | $10.72K | 3.1% | 179.63K | 174K |
| Total | −8.93K | -$16.72K | ||||||
Derivative Transactions0
No derivative transactions reported