| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Apeiron Investment Group Ltd. | 10%+ Owner | 66 & 67 BEATRICE, AMERY STREET, SILEMA, MALTA | Apeiron Investment Group Ltd. By: /s/ Mario Frendo, Director | 2025-08-18 | 0001845711 |
| Angermayer Christian | Director, 10%+ Owner | 66 & 67 AMERY STREET, SILEMA, MALTA | /s/ Christian Angermayer | 2025-08-18 | 0001845872 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATAI | Common Shares | Purchase | $19M | +8.68M | +20.48% | $2.19 | 51M | Aug 14, 2025 | By Apeiron Investment Group Ltd. | |
| holding | ATAI | Common Shares | 1.8M | Aug 14, 2025 | By Apeiron Presight Capital Fund II, L.P. |