Karen Firestone, Director at Amylyx Pharmaceuticals, Inc. (AMLX), bought 8,100 shares at $12.45 ($101K) on 2025-12-23, disclosed to the SEC on 2025-12-23.
Open-market purchase of $101k AMLX by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Something here stands out, but not much.
| Filing → |
| AMLX | BUY | 2023-12-19 | $60K | — | Filing → |
| AMLX | BUY | 2023-03-20 | $32K | — | Filing → |