8 insiders reported 59 Form 4 transactions for Amylyx Pharmaceuticals, Inc. (AMLX) over the past 18 months (most recent 2026-03-09). Recent activity: Cohen Joshua B (Co-Chief Executive Officer) Buy 248,865 shares, Bedrosian Camille L (Chief Medical Officer) Buy 95,990 shares, Mazzariello Gina (Chief Legal Officer) Buy 74,660 shares, Klee Justin B. (Co-Chief Executive Officer) Buy 248,865 shares, FRATES JAMES M (Chief Financial Officer) Buy 95,990 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-09 | Cohen Joshua B | Co-Chief Executive Officer | Buy | 248,865 | $0 |
| 2026-03-09 | Bedrosian Camille L | Chief Medical Officer | Buy | 95,990 | $0 |
| 2026-03-09 | Mazzariello Gina | Chief Legal Officer | Buy | 74,660 | $0 |
| 2026-03-09 | Klee Justin B. | Co-Chief Executive Officer | Buy | 248,865 | $0 |
| 2026-03-09 | FRATES JAMES M | Chief Financial Officer | Buy | 95,990 | $0 |
| 2026-03-04 | Mazzariello Gina | Chief Legal Officer | Sell | 6,844 | $99,375 |
| 2026-03-04 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 29,282 | $424,003 |
| 2026-03-04 | Klee Justin B. | Co-Chief Executive Officer | Sell | 29,282 | $423,711 |
| 2026-03-04 | FRATES JAMES M | Chief Financial Officer | Sell | 7,909 | $114,839 |
| 2026-03-04 | Bedrosian Camille L | Chief Medical Officer | Sell | 6,461 | $94,201 |
| 2026-02-25 | Mazzariello Gina | Chief Legal Officer | Sell | 3,419 | $48,345 |
| 2026-02-04 | Klee Justin B. | Co-Chief Executive Officer | Sell | 15,500 | $227,695 |
| 2026-02-04 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 15,500 | $227,540 |
| 2026-02-04 | FRATES JAMES M | Chief Financial Officer | Sell | 3,557 | $52,110 |
| 2026-02-04 | Mazzariello Gina | Chief Legal Officer | Sell | 3,448 | $50,513 |
| 2026-01-20 | Cohen Joshua B | Co-Chief Executive Officer | Buy | 197,182 | $1.5M |
| 2026-01-20 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 136,193 | $1.9M |
| 2026-01-20 | Cohen Joshua B | Co-Chief Executive Officer | Buy | 2,818 | $21,332 |
| 2026-01-20 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 1,974 | $27,300 |
| 2026-01-20 | Klee Justin B. | Co-Chief Executive Officer | Buy | 197,153 | $1.5M |
| 2026-01-20 | Klee Justin B. | Co-Chief Executive Officer | Sell | 136,193 | $1.8M |
| 2026-01-20 | Klee Justin B. | Co-Chief Executive Officer | Buy | 2,847 | $21,552 |
| 2026-01-20 | Klee Justin B. | Co-Chief Executive Officer | Sell | 1,995 | $27,711 |
| 2026-01-14 | MILNE GEORGE M JR | Director | Sell | 17,780 | $0 |
| 2026-01-08 | Klee Justin B. | Co-Chief Executive Officer | Sell | 7,715 | $85,559 |
Source: SEC Form 4 filings · as of 2026-03-09