Gerd Kochendoerfer - 26 Jun 2026 Form 4 Insider Report for AtaiBeckley Inc. (ATAI)

Reporting relationship: Chief Operating Officer
Issuer ticker: ATAI
Reported as of: 26 Jun 2026
Net transaction value: -$250,000
SEC form: 4
Accepted by SEC: 29 Jun 2026, 18:00:30 UTC
Prior SEC filing: 03 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Ryan Barrett, as attorney in fact

Key filing fact

Gerd Kochendoerfer filed Form 4 for AtaiBeckley Inc. (ATAI) on 29 Jun 2026.

Key facts

This page summarizes Gerd Kochendoerfer's Form 4 filing for AtaiBeckley Inc. (ATAI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 29 Jun 2026, 18:00.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: -$250,000.

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 0002047433 Primary reporting owner

Kochendoerfer Gerd

Relationship: Chief Operating Officer
Address: C/O ATAI LIFE SCIENCES US, INC., C/O INDUSTRIOUS NYC 250 WEST 34TH STREET, NEW YORK
Signature: /s/ Ryan Barrett, as attorney in fact
Signature date: 29 Jun 2026

Reported non-derivative transactions

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

ATAI transaction

Common Stock

Options Exercise

Transaction value
Shares: +50,000
Change %
Price: $1.60^*
Shares after: 50,000
Date: 26 Jun 2026
Ownership: Direct
Footnotes: F1

ATAI transaction

Common Stock

Sale

Transaction value: $250,000
Shares: -50,000
Change %: -100%
Price: $5.00
Shares after: 0
Date: 26 Jun 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

ATAI transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares: -50,000
Change %: -3.4%
Price: $0.000000^*
Shares after: 1,400,000
Date: 26 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 50,000
Exercise price: $1.60
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 27, 2026.

Footnote F2

The stock option vested (subject to continued service through each such vesting date) as to 25% of the total number of shares underlying the option on December 3, 2025 and as to the remaining 75% of the total number of shares in 36 substantially equal monthly installments thereafter.