Klee Justin B. - Insider Non-Derivative Transactions at Amylyx Pharmaceuticals, Inc. (AMLX) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Sep 30, 2025, Klee Justin B.'s relationship to Amylyx Pharmaceuticals, Inc. (AMLX) is Director,Officer (Co-Chief Executive Officer), and currently has 3,325,501 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.

Klee Justin B. - Insider Non-Derivative Transactions of AMLX Common Stock

Klee Justin B. - Insider Non-Derivative Transactions at AMLX

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 1, 2025	Sell -- (Common Stock)	200	15.01	3325301
Oct 1, 2025	Sell -- (Common Stock)	29775	14.37	3325501
Apr 1, 2025	Sell -- (Common Stock)	21490	3.46	3355276
Mar 7, 2025	Acquisition -- (Common Stock)	180118	0	3376766
Mar 4, 2025	Sell -- (Common Stock)	4595	3.15	3196648
Feb 6, 2025	M -- (Common Stock)	36310	1.57	3201243
Feb 4, 2025	Sell -- (Common Stock)	11855	3.47	3164933
Jan 7, 2025	Sell -- (Common Stock)	7471	4.04	3176788
Nov 5, 2024	M -- (Common Stock)	63690	1.57	3184259
Oct 1, 2024	Sell -- (Common Stock)	18589	3.2	3120569
Apr 17, 2024	Acquisition -- (Common Stock)	179850	0	3139158
Mar 6, 2024	Sell -- (Common Stock)	4135	18.73	2959308
Feb 27, 2024	Acquisition -- (Common Stock)	126667	0	2963443
Jan 10, 2024	Sell -- (Common Stock)	5841	16.33	2836776
Mar 17, 2023	Sell -- (Common Stock)	3445	32.48	2792617
Mar 17, 2023	Sell -- (Common Stock)	96555	31.84	2796062
Mar 17, 2023	Acquisition -- (Common Stock)	50000	0	2842617
Jan 7, 2023	Sell -- (Common Stock)	1846	36.79	2892617
Jan 7, 2023	Sell -- (Common Stock)	4122	36.08	2894463