Amylyx Pharmaceuticals (AMLX) insider trading in the last 6 months

One insider bought $51K, 5 sold $2.9M.

Quality Score6Average

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Form 4 filings, newest first

SellJoshua B. Cohen$950KCo-Chief Executive Officerat $32.16 on Sep 10, filed Sep 14

SellJoshua B. CohenCo-Chief Executive Officer$950Kat $32.16 on Sep 10, filed Sep 14

SellJustin B. Klee$933KCo-Chief Executive Officerat $32.13 on Sep 10, filed Sep 14

SellJustin B. KleeCo-Chief Executive Officer$933Kat $32.13 on Sep 10, filed Sep 14

SellJames M. Frates$315KChief Financial Officerat $32.27 on Sep 10, filed Sep 14

SellJames M. FratesChief Financial Officer$315Kat $32.27 on Sep 10, filed Sep 14

From SEC Form 4s, the newest filed Sep 14, 2026 · Insiders have 2 business days to file a trade

8 more filings on AMLX in the last 6 months, for Pro members. See them free →

Pro members see every filing on AMLX with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Amylyx Pharmaceuticals

Insider trades by person

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Questions about AMLX's insider trades

As of Nov 10, 2026: Amylyx Pharmaceuticals (AMLX) has 11 insider filings on record in the last 6 months, the newest filed Sep 14, 2026. Its Quality Score is 6 (Average). Scores as of 11:35 PM ET, 15 minutes behind.

Are AMLX insiders buying or selling?

One insider bought $51K across 1 filing, and 5 insiders sold $2.9M across 10 filings, in the last 6 months. The newest filing: Joshua B. Cohen, Co-⁠Chief Executive Officer, sold $950K on Sep 10, 2026.

Who are AMLX's biggest insider sellers?

By the dollars of their sales in the last 6 months: Joshua B. Cohen (Co-⁠Chief Executive Officer), 2 sales; Justin B. Klee (Co-⁠Chief Executive Officer), 2 sales; James M. Frates (Chief Financial Officer), 2 sales. 5 insiders sold in all.

When did an AMLX insider last buy?

Karen Firestone, Director, bought AMLX shares on May 21, 2026, filed May 26, 2026, the newest insider buy on record.

Amylyx Pharmaceuticals's page has its Quality Score, its chart, and its earnings. More in Healthcare and Biotech.

Amylyx Pharmaceuticals (AMLX) insider trading in the last 6 months

Form 4 filings, newest first

Who files at Amylyx Pharmaceuticals

Questions about AMLX's insider trades

Every insider trade, with its stock's score.