Trade Summary

6 days ago, Firestone Karen, serving as Dir at Amylyx Pharmaceuticals, Inc. (AMLX), purchased 3,800 shares at $13.51 per share, for a total transaction value of $51,338.00. Following this transaction, Firestone Karen now holds 66,900 shares of AMLX.

This purchase represents a 6.02% increase in Firestone Karen's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, May 21, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, May 26, 2026 at 4:00 PM ET, 5 days after the trade was made.

Amylyx Pharmaceuticals, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.