7 insiders reported 59 Form 4 transactions for Amylyx Pharmaceuticals, Inc. (AMLX) over the past 18 months (most recent 2026-09-14). Recent activity: Bedrosian Camille L (Chief Medical Officer) Sell 7,947 shares, Cohen Joshua B (Co-Chief Executive Officer) Sell 29,545 shares, Klee Justin B. (Co-Chief Executive Officer) Sell 29,025 shares, FRATES JAMES M (Chief Financial Officer) Sell 9,768 shares, Mazzariello Gina (Chief Legal Officer) Sell 9,525 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | Bedrosian Camille L | Chief Medical Officer | Sell | 7,947 | $256,004 |
| 2026-09-14 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 29,545 | $950,040 |
| 2026-09-14 | Klee Justin B. | Co-Chief Executive Officer | Sell | 29,025 | $932,553 |
| 2026-09-14 | FRATES JAMES M | Chief Financial Officer | Sell | 9,768 | $315,195 |
| 2026-09-14 | Mazzariello Gina | Chief Legal Officer | Sell | 9,525 | $309,140 |
| 2026-09-14 | FRATES JAMES M | Chief Financial Officer | Sell | 1,042 | $34,626 |
| 2026-09-14 | Bedrosian Camille L | Chief Medical Officer | Sell | 2,081 | $68,864 |
| 2026-09-14 | Klee Justin B. | Co-Chief Executive Officer | Sell | 1,439 | $47,710 |
| 2026-09-14 | Cohen Joshua B | Co-Chief Executive Officer | Sell | 919 | $30,464 |
| 2026-09-14 | Mazzariello Gina | Chief Legal Officer | Sell | 11 | $367 |
| 2026-09-02 | Firestone Karen | Director | Buy | 25,000 | $44,000 |
| 2026-09-02 | Firestone Karen | Director | Buy | 25,000 | $126,250 |
| 2026-08-20 | Bedrosian Camille L | Chief Medical Officer | Buy | 22,807 | $0 |
| 2026-08-20 | Klee Justin B. | Co-Chief Executive Officer | Buy | 60,039 | $0 |
| 2026-08-20 | Cohen Joshua B | Co-Chief Executive Officer | Buy | 60,039 | $0 |
| 2026-08-20 | Mazzariello Gina | Chief Legal Officer | Buy | 21,284 | $0 |
| 2026-08-20 | FRATES JAMES M | Chief Financial Officer | Buy | 22,807 | $0 |
| 2026-07-13 | Mazzariello Gina | Chief Legal Officer | Sell | 15,000 | $274,746 |
| 2026-07-13 | Mazzariello Gina | Chief Legal Officer | Sell | 15,000 | $264,122 |
| 2026-05-26 | Firestone Karen | Director | Buy | 3,800 | $51,338 |
| 2026-03-09 | FRATES JAMES M | Chief Financial Officer | Buy | 95,990 | $0 |
| 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 |
Source: SEC Form 4 filings · as of 2026-09-14