Christopher Ryan Cave Barrett - 01 Oct 2025 Form 3 Insider Report for ATAI Life Sciences N.V. (ATAI)

Reporting relationship
Chief Legal and Business Officer Exhibit 24 - Power of Attorney.
Issuer ticker
ATAI
Reported as of
01 Oct 2025
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
3
Accepted by SEC
03 Oct 2025, 18:17:40 UTC
Next SEC filing
03 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Ryan Barrett

Key filing fact

Christopher Ryan Cave Barrett filed Form 3 for ATAI Life Sciences N.V. (ATAI) on 03 Oct 2025.

Key facts

  • This page summarizes Christopher Ryan Cave Barrett's Form 3 filing for ATAI Life Sciences N.V. (ATAI).
  • 0 reported transactions and 9 derivative rows are listed below.
  • Accepted by SEC: 03 Oct 2025, 18:17.

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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002087548 Primary reporting owner

Barrett Christopher Ryan Cave

Relationship
Chief Legal and Business Officer Exhibit 24 - Power of Attorney.
Address
C/O ATAI LIFE SCIENCES N.V., PROF. J.H. BAVINCKLAAN 7, AMSTERDAM, NETHERLANDS
Signature
/s/ Ryan Barrett
Signature date
03 Oct 2025

Reported non-derivative transactions

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

ATAI holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
155,066
Date
01 Oct 2025
Ownership
Direct

Reported derivative securities

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

ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
347,000
Exercise price
$2.44
Footnotes
F1
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
284,832
Exercise price
$5.68
Footnotes
F1
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
53,680
Exercise price
$11.71
Footnotes
F1
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
221,764
Exercise price
$15.00
Footnotes
F1
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
231,900
Exercise price
$5.54
Footnotes
F2
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
71,620
Exercise price
$2.86
Footnotes
F3
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
400,000
Exercise price
$1.18
Footnotes
F4
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
550,000
Exercise price
$1.84
Footnotes
F5
ATAI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
01 Oct 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
757,915
Exercise price
$1.50
Footnotes
F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The stock option is fully vested.

Footnote F2

The stock option vested as to 25% of the underlying shares on January 1, 2023, with the remaining underlying shares vesting in 36 substantially equal monthly installments thereafter.

Footnote F3

The stock option vested as to 25% of the underlying shares on September 1, 2023, with the remaining underlying shares vesting in 36 substantially equal monthly installments thereafter.

Footnote F4

The stock option vested as to 25% of the underlying shares on March 14, 2024, with the remaining underlying shares vesting in 36 substantially equal monthly installments thereafter.

Footnote F5

The stock option vested as to 25% of the underlying shares on January 1, 2025, with the remaining underlying shares vesting in 36 substantially equal monthly installments thereafter.

Footnote F6

The stock option shall vest as to 25% on January 1, 2026, with the remaining shares vesting in 36 substantially equal monthly installments thereafter.

SEC remarks

Chief Legal and Business Officer Exhibit 24 - Power of Attorney.

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