Christopher Ryan Cave Barrett - 01 Oct 2025 Form 4 Insider Report for ATAI Life Sciences N.V. (ATAI)

Role: Chief Legal and Business Officer
Signature: /s/ Ryan Barrett
Issuer symbol: ATAI
Transactions as of: 01 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Oct 2025, 18:24:41 UTC
Next filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Barrett Christopher Ryan Cave	Chief Legal and Business Officer	C/O ATAI LIFE SCIENCES N.V., PROF. J.H. BAVINCKLAAN 7, AMSTERDAM, NETHERLANDS	/s/ Ryan Barrett	03 Oct 2025	0002087548

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ATAI	Stock Option	Award	$0	+175,000		$0.000000	175,000	01 Oct 2025	Common Shares	175,000	$5.20	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The stock option shall vest as to 25% of the underlying shares on the first anniversary of the grant date, with the remaining underlying shares vesting in 36 substantially equal monthly installments thereafter.

Remarks:

Chief Legal and Business Officer