Firestone Karen - Insider Non-Derivative Transactions at Amylyx Pharmaceuticals, Inc. (AMLX) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 23, 2025, Firestone Karen's relationship to Amylyx Pharmaceuticals, Inc. (AMLX) is Director, and currently has 63,100 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other AMLX insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Firestone Karen - Insider Non-Derivative Transactions of AMLX Common Stock

Firestone Karen - Insider Non-Derivative Transactions at AMLX

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 24, 2025	P -- (Common Stock)	8100	12.45	63100
Sep 6, 2024	P -- (Common Stock)	50000	2.13	55000
Dec 16, 2023	P -- (Common Stock)	4000	14.97	5000
Mar 17, 2023	P -- (Common Stock)	1000	31.99	1000