| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/16/2023 | Amylyx Pharmaceuticals, Inc. | | Sale | Common Stock | 96.6k | $31.84 | $3.1M | | 03/16/2023 |
| 03/16/2023 | Amylyx Pharmaceuticals, Inc. | | Sale | Common Stock | 3.4k | $32.48 | $111.9k | | 03/16/2023 |
| 03/16/2023 | Amylyx Pharmaceuticals, Inc. | | Grant | Common Stock | 50k | $0.00 | $0 | | 03/16/2023 |
| 03/16/2023 | Amylyx Pharmaceuticals, Inc. | | Grant | Stock Option (right to buy) | 225k | $32.08 | $7.2M | | 03/16/2023 |
| 01/06/2023 | Amylyx Pharmaceuticals, Inc. | | Sale | Common Stock | 4.1k | $36.08 | $148.7k | | 01/06/2023 |
| 01/06/2023 | Amylyx Pharmaceuticals, Inc. | | Sale | Common Stock | 1.8k | $36.79 | $67.9k | | 01/06/2023 |
| 01/06/2022 | Amylyx Pharmaceuticals, Inc. | | Conversion | Common Stock | 4.9k | $0.00 | $0 | | 01/06/2022 |
| 01/06/2022 | Amylyx Pharmaceuticals, Inc. | | Grant | Common Stock | 75k | $0.00 | $0 | | 01/06/2022 |
| 01/06/2022 | Amylyx Pharmaceuticals, Inc. | | Conversion | Series C-1 Preferred Stock | 4.9k | $0.00 | $0 | | 01/06/2022 |
| 01/06/2022 | Amylyx Pharmaceuticals, Inc. | | Grant | Stock Option (right to buy) | 337.5k | $19.00 | $6.4M | | 01/06/2022 |