Amylyx Pharmaceuticals, Inc (AMLX) insider trading
Every open-market stock purchase and sale by Amylyx Pharmaceuticals, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Joshua B Cohen (CEO) and 5 others sold $3.8M in the last 90 days.
- Last insider buy: Karen Firestone (Insider), $51.3K, 5 months ago.
Last 12 months: insiders bought $152K (2 buys) and sold $10.1M (23 sales). Last close $28.57 on Oct 22, 2026.
Recent AMLX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 5, 2026 | George M Milne Jr (Insider) | Sold | $831K |
| Sep 10, 2026 | Joshua B Cohen (CEO) | Sold | $950K |
| Sep 10, 2026 | Justin B. Klee (CEO) | Sold | $933K |
| Sep 10, 2026 | James M Frates (CFO) | Sold | $315K |
| Sep 10, 2026 | Gina Mazzariello (C-suite exec) | Sold | $309K |
| Sep 10, 2026 | Camille L Bedrosian (C-suite exec) | Sold | $256K |
| Sep 10, 2026 | Camille L Bedrosian (C-suite exec) | Sold | $68.9K |
| Sep 10, 2026 | Justin B. Klee (CEO) | Sold | $47.7K |
| Sep 10, 2026 | James M Frates (CFO) | Sold | $34.6K |
| Sep 10, 2026 | Joshua B Cohen (CEO) | Sold | $30.5K |
| Sep 10, 2026 | Gina Mazzariello (C-suite exec) | Sold | $367 |
| Aug 31, 2026 | Karen Firestone (Insider) | Bought (not open market) | $126K |
| Aug 31, 2026 | Karen Firestone (Insider) | Bought (not open market) | $44K |
| Aug 31, 2026 | Karen Firestone (Insider) | Bought (not open market) | — |
| Aug 18, 2026 | Joshua B Cohen (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | James M Frates (CFO) | Bought (not open market) | — |
| Aug 18, 2026 | Justin B. Klee (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Gina Mazzariello (C-suite exec) | Bought (not open market) | — |
| Aug 18, 2026 | Camille L Bedrosian (C-suite exec) | Bought (not open market) | — |
| Jul 10, 2026 | Gina Mazzariello (C-suite exec) | Sold | $264K |
| Jul 9, 2026 | Gina Mazzariello (C-suite exec) | Sold | $275K |
| Jun 4, 2026 | Paul R. Fonteyne (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | George M Milne Jr (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Daphne Quimi (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Karen Firestone (Insider) | Bought (not open market) | — |
Who's trading AMLX
- George M Milne Jr, Insider: sold $831K (1 sale), last Oct 5, 2026
- Joshua B Cohen, CEO: sold $3.6M (7 sales), last Sep 10, 2026
- James M Frates, CFO: sold $554K (5 sales), last Sep 10, 2026
- Camille L Bedrosian, C-suite exec: sold $513K (4 sales), last Sep 10, 2026
- Justin B. Klee, CEO: sold $3.6M (7 sales), last Sep 10, 2026
- Gina Mazzariello, C-suite exec: sold $1M (7 sales), last Sep 10, 2026
- Karen Firestone, Insider: bought $152K (2 buys), last Aug 31, 2026
- Paul R. Fonteyne, Insider: other filings, last Jun 4, 2026
- Bernhardt G Zeiher, Insider: other filings, last Jun 4, 2026
- Daphne Quimi, Insider: other filings, last Jun 4, 2026
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