FIRESTONE KAREN purchased 6.0% of their position (3.80K shares) of AMYLYX PHARMACEUTICALS, INC. on the open market
Open‑market purchase worth $51.3K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 5/26/2026ACC: 0001193125-26-239216
Director
Since Mar 2023
+3.80K
Net shares
Net buyer
$51.3K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
3.80K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+3.80K
Price / share
$13.51
Trade value
$51.34K
% of position
6.0%
5/21/2026
63.10K→66.90K
Total
Net shares
+3.80K
Net value
$51.34K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/21/2026 | P · Purchase | +3.80K | $13.51 | $51.34K | 6.0% | 63.10K | 66.90K |
| Total | +3.80K | $51.34K | ||||||
Derivative Transactions0
No derivative transactions reported