AtaiBeckley Inc. (ATAI) has 33 open-market insider trades by 14 insiders since 2021. The most active filer is Apeiron Investment Group Ltd., Director & 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Apeiron Investment Group Ltd. | Dir10% Owner | — | 7 | $89.7M | 2025-09-30 |
| Christian Angermayer | Dir10% Owner | — | 6 | $15.7M | 2026-04-08 |
| Florian Brand | — | — | 5 | $801K | 2024-05-16 |
| Srinivas Rao | — | — | 3 | $370K | 2025-03-21 |
| Sahil Kirpekar | — | — | 2 | $264K | 2025-03-21 |
| Cosmo Feilding-Mellen | Dir | — | 1 | $154K | 2026-01-02 |
| Anne Nagengast Johnson | CFO | — | 2 | $147K | 2025-03-21 |
| Michael Auerbach | Dir | — | 1 | $70K | 2022-01-14 |
| Andrea Heslin Smiley | Dir | — | 1 | $70K | 2021-06-22 |
| Alexis de Rosnay | Dir | — | 1 | $70K | 2021-06-22 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Robert Hershberg | Director | Sell | $496K | 2026-07-07 |
| Gerd Kochendoerfer | COO | Sell | $250K | 2026-06-26 |
| Kevin James Craig | — | Sell | $192K | 2026-06-25 |
| Kevin James Craig | — | Sell | $213K | 2026-04-20 |
| Kevin James Craig | — | Sell | $355K | 2026-03-20 |
| Cosmo Feilding-Mellen | Director | Sell | $154K | 2026-01-02 |
Companies that share insiders with ATAI, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Apeiron Investment Group Ltd. | Director & 10% Owner | Buy | $38.0M | 2025-08-14 |
| Apeiron Investment Group Ltd. | Director & 10% Owner | Buy | $2.5M | 2025-03-24 |
| Sahil Kirpekar | — | Sell | $131K | 2025-03-21 |
| Glenn Frank Short | Chief Scientific Officer | Sell | $18K | 2025-03-21 |
| Kevin James Craig | Chief Medical Officer | Sell | $16K | 2025-03-21 |
| Anne Nagengast Johnson | CFO | Sell | $45K | 2025-03-21 |
| Srinivas Rao | — | Sell | $204K | 2025-03-21 |
| Apeiron Investment Group Ltd. | Director & 10% Owner | Buy | $45.5M | 2025-02-14 |
| Florian Brand | — | Sell | $581K | 2024-05-16 |