Cosmo Feilding-Mellen - Nov 25, 2025 Form 4 Insider Report for Atai Beckley N.V. (ATAI)

Role
Director
Signature
/s/ Ryan Barrett, as attorney in fact
Stock symbol
ATAI
Transactions as of
Nov 25, 2025
Transactions value $
$0
Form type
4
Date filed
11/26/2025, 05:00 PM
Previous filing
Nov 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Feilding-Mellen Cosmo Director C/O ATAI BECKLEY N.V., PROF. J.H. BAVINCKLAAN 7, AMSTERDAM, NETHERLANDS /s/ Ryan Barrett, as attorney in fact 2025-11-26 0002094202

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 Disposed to Issuer $0 -40.4K -100% $0.00 0 Nov 25, 2025 Common Shares 40.4K $4.48 Direct F1
transaction ATAI Stock Option Award $0 +10K $0.00 10K Nov 25, 2025 Common Shares 10K $4.48 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On November 5, 2025, the Reporting Person received a stock option award ("Option"), vesting in 12 substantially equal monthly installments, beginning on December 5, 2025, as reported on the Form 4 filed by the Reporting Person on November 6, 2025. On November 25, 2025 the Reporting Person entered into a consulting agreement with the Company pursuant to which the Option was amended to reduce the number of ordinary shares subject to the Option and to provide that the Option shall vest in full on December 31, 2025, subject to the Reporting Person's continued service on such date.