SIEMERS ERIC (Chief Medical Officer) sold 1.2% of their position (3.23K shares) of ACUMEN PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $5.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 2 sales
Filed: 1/23/2026ACC: 0001628280-26-003348
Officer· Chief Medical Officer
Since Jun 2021
-3.23K
Net shares
Net seller
$5.8K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
3.23K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
−2.33K
Price / share
$1.80
Trade value
$4.20K
% of position
0.9%
1/21/2026
258.60K→256.27K
Common Stock
Direct
Shares
−895.00
Price / share
$1.82
Trade value
$1.63K
% of position
0.3%
1/22/2026
256.27K→255.37K
Total
Net shares
−3.23K
Net value
-$5.83K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/21/2026 | S · Sale | −2.33K | $1.80 | $4.20K | 0.9% | 258.60K | 256.27K |
| Common Stock Direct | 1/22/2026 | S · Sale | −895.00 | $1.82 | $1.63K | 0.3% | 256.27K | 255.37K |
| Total | −3.23K | -$5.83K | ||||||
Derivative Transactions0
No derivative transactions reported