X0609 4 2026-06-04 0002081043 AtaiBeckley Inc. ATAI 0001403646 Kalali Amir H false C/O ATAI LIFE SCIENCES US, INC. C/O INDUSTRIOUS NYC, 250 WEST 34TH ST NEW YORK NY 10119 true false Stock Option 4.5 2026-06-04 4 A 0 121968 0 A 2036-06-04 Common Stock 121968 121968 D The stock option shall vest on the earlier of the day before AtaiBeckley Inc.'s next annual meeting or June 4, 2027, subject to continued service on AtaiBeckley Inc.'s board of directors through the applicable vesting date. /s/ Ryan Barrett, as attorney in fact 2026-06-08