Cosmo Feilding-Mellen - 05 Nov 2025 Form 4 Insider Report for Atai Beckley N.V. (ATAI)

Reporting relationship: Director
Issuer ticker: ATAI
Reported as of: 05 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Nov 2025, 20:49:06 UTC
Next SEC filing: 26 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Ryan Barrett, as attorney in fact

Key filing fact

Cosmo Feilding-Mellen filed Form 4 for Atai Beckley N.V. (ATAI) on 06 Nov 2025.

Key facts

This page summarizes Cosmo Feilding-Mellen's Form 4 filing for Atai Beckley N.V. (ATAI).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 06 Nov 2025, 20:49.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002094202 Primary reporting owner

Feilding-Mellen Cosmo

Relationship: Director
Address: C/O ATAI BECKLEY N.V., PROF. J.H. BAVINCKLAAN 7, AMSTERDAM, NETHERLANDS
Signature: /s/ Ryan Barrett, as attorney in fact
Signature date: 06 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATAI transaction

Common Shares

Award

Transaction value
Shares: +7,702,990
Change %
Price
Shares after: 7,702,990
Date: 05 Nov 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ATAI transaction Derivative

Stock Option

Award

Transaction value: $0
Shares: +103,000
Change %
Price: $0.000000
Shares after: 103,000
Date: 05 Nov 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 103,000
Exercise price: $4.48
Footnotes: F2

ATAI transaction Derivative

Stock Option

Award

Transaction value: $0
Shares: +40,400
Change %
Price: $0.000000
Shares after: 40,400
Date: 05 Nov 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 40,400
Exercise price: $4.48
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On November 5, 2025, the Issuer completed its previously announced acquisition of the entire issued share capital of Beckley Psytech Limited ("Beckley Psytech") not already owned by the Issuer (the "Acquisition") from the shareholders of Beckley Psytech, pursuant to that certain Share Purchase Agreement, dated as of June 2, 2025, by and among the parties thereto, as amended (the "Purchase Agreement"). In connection with the Acquisition, the Company acquired all of the issued and outstanding equity interests of Beckley Psytech in exchange for an aggregate of 103,000,066 common shares of the Issuer, issued directly as share consideration or as underlying replacement awards pursuant to the Purchase Agreement.

Footnote F2

The stock option shall vest in full on the first anniversary of the grant date.

Footnote F3

The stock option shall vest in 12 substantially equal monthly installments, beginning on December 5, 2025.