| Filed | Form | Description | |
|---|---|---|---|
| 10/16/25 | DEFA14A | DEFA14A | → |
| 10/10/25 | DEFA14A | DEFA14A | → |
| 9/29/25 | DEFA14A | DEFA14A | → |
| 9/24/25 | DEFM14A | DEFM14A | → |
| 9/23/25 | DEFA14A | DEFA14A | → |
| 8/14/25 | DEFA14A | DEFA14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 11/26/25 | 4 | 4 | → |
| 11/6/25 | 4 | 4 | → |
| 11/6/25 | 4 | 4 | → |
| 11/6/25 | 4 | 4 | → |
| 11/6/25 | 3 | FORM 3 | → |
| 11/6/25 | 3 | FORM 3 | → |
| ↓ | |||
atai Life Sciences is a pharmaceutical company that is developing psychedelics, other hallucinogens, entactogens, and related drugs for treatment of psychiatric conditions. It was founded in 2018 and is headquartered in Berlin, Germany.