Amylyx Pharmaceuticals, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Klee Justin B. | Co-Chief Executive Officer | Sale | 4,135 | $18.73 | $77,449 | 2,959,308 | Mar 5, 2024 |
| Mazzariello Gina | Chief Legal Officer | Sale | 1,540 | $18.73 | $28,844 | 81,372 | Mar 5, 2024 |
| FRATES JAMES M | Chief Financial Officer | Sale | 1,792 | $18.73 | $33,564 | 134,784 | Mar 5, 2024 |
| FRATES JAMES M | Chief Financial Officer | Award / Grant | 40,000 | — | — | 152,035 | Feb 26, 2024 |
| Cohen Joshua B | Co-Chief Executive Officer | Award / Grant | 126,667 | — | — | 3,027,137 | Feb 26, 2024 |
| Klee Justin B. | Co-Chief Executive Officer | Award / Grant | 126,667 | — | — | 2,963,443 | Feb 26, 2024 |
| Mazzariello Gina | Chief Legal Officer | Award / Grant | 36,667 | — | — | 82,912 | Feb 26, 2024 |
| Mazzariello Gina | Chief Legal Officer | Sale | 2,838 | $18.76 | $53,241 | 46,245 | Feb 23, 2024 |
| MILNE GEORGE M JR | — | Gift | 9,100 | — | — | 758,571 | Jan 25, 2024 |
| MILNE GEORGE M JR | — | Gift | 94,350 | — | — | 767,671 | Jan 16, 2024 |
| Klee Justin B. | Co-Chief Executive Officer | Sale | 5,841 | $16.33 | $95,384 | 2,836,776 | Jan 9, 2024 |
| FRATES JAMES M | Chief Financial Officer | Sale | 2,716 | $16.33 | $44,352 | 112,035 | Jan 9, 2024 |
| Cohen Joshua B | Co-Chief Executive Officer | Sale | 5,841 | $16.33 | $95,384 | 2,900,470 | Jan 9, 2024 |
| Yeramian Patrick D | Chief Medical Officer | Sale | 2,812 | $16.33 | $45,920 | 205,605 | Jan 9, 2024 |
| Olinger Margaret | Chief Commercial Officer | Option Exercise | 25,000 | $0.37 | $9,250 | 276,108 | Dec 27, 2023 |
| Firestone Karen | — | Purchase | 4,000 | $14.97 | $59,880 | 5,000 | Dec 15, 2023 |
| Bedrosian Camille L | Chief Medical Officer | Award / Grant | 58,333 | — | — | 58,333 | Nov 27, 2023 |
| Cohen Joshua B | Co-Chief Executive Officer | Option Exercise | 63,694 | $1.57 | $100,000 | 2,906,311 | Nov 16, 2023 |
| FRATES JAMES M | Chief Financial Officer | Gift | 11,072 | — | — | 11,072 | Oct 31, 2023 |
| FRATES JAMES M | Chief Financial Officer | Option Exercise | 18,165 | $6.88 | $124,975 | 73,841 | Aug 23, 2023 |
| FRATES JAMES M | Chief Financial Officer | Option Exercise | 18,165 | $6.88 | $124,975 | 106,341 | Aug 23, 2023 |
| Morningside Venture Investments Ltd | — | Gift | 2,000,000 | — | — | 4,997,302 | Aug 15, 2023 |
| Mazzariello Gina | Chief Legal Officer | Sale | 6,164 | $20.88 | $128,704 | 49,083 | Aug 15, 2023 |
| Olinger Margaret | Chief Commercial Officer | Option Exercise | 20,000 | $0.37 | $7,400 | 251,108 | Jul 12, 2023 |
| Olinger Margaret | Chief Commercial Officer | Gift | 1,580 | — | — | 231,108 | May 22, 2023 |
| Mazzariello Gina | Chief Legal Officer | Gift | 500 | — | — | 55,247 | May 17, 2023 |
| FRATES JAMES M | Chief Financial Officer | Sale | 500 | $27.60 | $13,800 | 55,676 | May 16, 2023 |
| Yeramian Patrick D | Chief Medical Officer | Option Exercise | 9,764 | $6.88 | $67,176 | 220,382 | May 15, 2023 |
| Yeramian Patrick D | Chief Medical Officer | Option Exercise | 4,718 | $6.88 | $32,460 | 257,996 | Apr 17, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 29,048 | $30.45 | $884,512 | 6,997,302 | Mar 29, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 100,000 | $30.37 | $3,037,000 | 7,026,350 | Mar 27, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 34,641 | $31.69 | $1,097,773 | 7,216,121 | Mar 21, 2023 |
| FRATES JAMES M | Chief Financial Officer | Option Exercise | 32,500 | $6.88 | $223,600 | 66,509 | Mar 16, 2023 |
| Yeramian Patrick D | Chief Medical Officer | Option Exercise | 30,041 | $0.37 | $11,115 | 237,129 | Mar 16, 2023 |
| Klee Justin B. | Co-Chief Executive Officer | Sale | 3,445 | $32.48 | $111,894 | 2,792,617 | Mar 16, 2023 |
| Olinger Margaret | Chief Commercial Officer | Award / Grant | 18,333 | — | — | 232,688 | Mar 16, 2023 |
| MILNE GEORGE M JR | — | Sale | 1,916 | $32.45 | $62,174 | 862,021 | Mar 16, 2023 |
| Yeramian Patrick D | Chief Medical Officer | Sale | 2,416 | $32.43 | $78,351 | 149,672 | Mar 16, 2023 |
| Mazzariello Gina | Chief Legal Officer | Award / Grant | 18,333 | — | — | 55,747 | Mar 16, 2023 |
| Firestone Karen | — | Purchase | 1,000 | $31.99 | $31,990 | 1,000 | Mar 16, 2023 |
| Cohen Joshua B | Co-Chief Executive Officer | Sale | 3,924 | $32.45 | $127,334 | 2,792,617 | Mar 16, 2023 |
| FRATES JAMES M | Chief Financial Officer | Award / Grant | 21,667 | — | — | 23,176 | Mar 16, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 9,122 | $32.55 | $296,921 | 7,250,762 | Mar 16, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 70,714 | $34.54 | $2,442,462 | 7,409,884 | Mar 15, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 50,000 | $33.75 | $1,687,500 | 7,480,598 | Mar 2, 2023 |
| Mazzariello Gina | Chief Legal Officer | Sale | 3,586 | $34.49 | $123,681 | 37,414 | Feb 24, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 39,916 | $35.91 | $1,433,384 | 7,640,682 | Feb 23, 2023 |
| Morningside Venture Investments Ltd | — | Sale | 47,888 | $34.70 | $1,661,714 | 7,532,710 | Feb 22, 2023 |
| Yeramian Patrick D | Chief Medical Officer | Sale | 1,405 | $36.08 | $50,692 | 204,928 | Jan 6, 2023 |
| Cohen Joshua B | Co-Chief Executive Officer | Sale | 1,846 | $36.79 | $67,914 | 2,892,617 | Jan 6, 2023 |