FOUNTAIN NATHAN B sold 11.7% of their position (6.40K shares) of ACUMEN PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $14.3K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 6/10/2026ACC: 0001628280-26-042280
Director
Since Jun 2021
-6.40K
Net shares
Net seller
$14.3K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
6.40K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−6.40K
Price / share
$2.23
Trade value
$14.27K
% of position
11.7%
6/9/2026
54.55K→48.15K
Total
Net shares
−6.40K
Net value
-$14.27K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 6/9/2026 | S · Sale | −6.40K | $2.23 | $14.27K | 11.7% | 54.55K | 48.15K |
| Total | −6.40K | -$14.27K | ||||||
Derivative Transactions0
No derivative transactions reported