List of insiders holdings for Amylyx Pharmaceuticals Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | ALS Invest 1 B.V. 10% Owner | 2022-07-08 18:44:37 | 5,895,280 0 | 5,895,280 | Form 4 |
| 2 | Cohen Joshua B Co-Chief Executive Officer | 2026-03-09 16:00:10 | 3,956,843 0 | 3,956,843 | Form 4 |
| 3 | Klee Justin B. Co-Chief Executive Officer | 2026-03-09 16:00:05 | 3,956,776 0 | 3,956,776 | Form 4 |
| 4 | VIKING GLOBAL INVESTORS LP Viking Global Opportunities Illiquid Investments Sub-Master LP Viking Global Opportunities Portfolio GP LLC Viking Global Opportunities GP LLC Viking Global Opportunities Parent GP LLC HALVORSEN OLE ANDREAS Ott David C. Shabet Rose Sharon DRAGSA 96 LLC 10% Owner | 2024-02-14 10:24:17 | 2,962,555 0 | 2,962,555 | Form 13G |
| 5 | Morningside Venture Investments Ltd MVIL LLC 10% Owner | 2023-10-04 16:19:00 | 2,313,227 0 | 2,313,227 | Form 13D |
| 6 | Morningside Venture Investments Ltd 10% Owner | 2023-10-04 16:19:00 | 2,313,227 0 | 2,313,227 | Form 13D |
| 7 | FRATES JAMES M Chief Financial Officer | 2026-03-09 16:00:07 | 405,613 126,531 | 532,144 | Form 4 |
| 8 | Bedrosian Camille L Chief Medical Officer | 2026-03-09 16:00:03 | 409,270 0 | 409,270 | Form 4 |
| 9 | Mazzariello Gina Chief Legal Officer | 2026-03-09 16:00:08 | 321,080 0 | 321,080 | Form 4 |
| 10 | Olinger Margaret Chief Commercial Officer | 2023-12-29 16:07:35 | 320,685 0 | 320,685 | Form 4 |
| 11 | Yeramian Patrick D Chief Medical Officer | 2024-01-11 17:04:56 | 205,605 0 | 205,605 | Form 4 |
| 12 | Zeiher Bernhardt G Director | 2026-06-08 16:00:20 | 24,372 0 | 24,372 | Form 4 |
| 13 | Firestone Karen Director | 2026-06-08 16:00:11 | 24,372 0 | 24,372 | Form 4 |
| 14 | Quimi Daphne Director | 2026-06-08 16:00:09 | 24,372 0 | 24,372 | Form 4 |
| 15 | MILNE GEORGE M JR Director | 2026-06-08 16:00:06 | 24,372 0 | 24,372 | Form 4 |
| 16 | FONTEYNE PAUL R. Director | 2026-06-08 16:00:05 | 24,372 0 | 24,372 | Form 4 |
| 17 | Cheng Isaac Director | 2022-06-10 16:05:22 | 19,000 0 | 19,000 | Form 4 |