Cosmo Feilding-Mellen - 02 Jan 2026 Form 4 Insider Report for AtaiBeckley Inc.

Role
Director
Signature
/s/ Ryan Barrett, as attorney in fact
Issuer symbol
N/A
Transactions as of
02 Jan 2026
Net transactions value
-$154,377
Form type
4
Filing time
06 Jan 2026, 20:22:09 UTC
Previous filing
26 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Feilding-Mellen Cosmo Director C/O ATAI LIFE SCIENCES US, INC., C/O INDUSTRIOUS NYC, 250 WEST 34TH ST, NEW YORK /s/ Ryan Barrett, as attorney in fact 06 Jan 2026 0002094202

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATAI Common Stock Sale $154,377 -39,594 -0.51% $3.90 7,663,396 02 Jan 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares sold to satisfy the Reporting Person's tax liability on vesting of restricted stock units.
F2 The price reported is a weighted average price. The securities were sold in multiple transactions at per share prices ranging from $3.79 to $3.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.