Christian Angermayer - 08 Apr 2026 Form 4 Insider Report for AtaiBeckley Inc.

Reporting relationship
Director, 10%+ Owner
Issuer ticker
ATAI on Nasdaq
Reported as of
08 Apr 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
10 Apr 2026, 18:00:13 UTC
Prior SEC filing
27 Jun 2025
Next SEC filing
07 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Apeiron Investment Group Ltd. By: /s/ Mario Frendo, Director

Key filing fact

Christian Angermayer filed Form 4 for AtaiBeckley Inc. on 10 Apr 2026.

Key facts

  • This page summarizes Christian Angermayer's Form 4 filing for AtaiBeckley Inc..
  • 6 reported transactions and 6 derivative rows are listed below.
  • Accepted by SEC: 10 Apr 2026, 18:00.

Change

  • Previous filing in this sequence was filed on 27 Jun 2025.
  • 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 (2)

CIK 0001845872 Primary reporting owner

Angermayer Christian

Relationship
Director, 10%+ Owner
Address
66 & 67, BEATRICE, AMERY STREET, SLIEMA, MALTA
Signature
Apeiron Investment Group Ltd. By: /s/ Mario Frendo, Director
Signature date
10 Apr 2026
CIK 0001845711

Apeiron Investment Group Ltd.

Relationship
10%+ Owner
Address
66 & 67 AMERY STREET, SILEMA, MALTA
Signature
/s/ Christian Angermayer
Signature date
10 Apr 2026

Reported non-derivative transactions

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

No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+46,070
Change %
Price
$1.88*
Shares after
46,070
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+46,070
Change %
Price
$1.88*
Shares after
46,070
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+410,162
Change %
+890%
Price
$1.64*
Shares after
456,232
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+410,162
Change %
+890%
Price
$1.64*
Shares after
456,232
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+103,000
Change %
+23%
Price
$1.34*
Shares after
559,232
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker transaction

Common Stock

Options Exercise

Transaction value
Shares
+103,000
Change %
+23%
Price
$1.34*
Shares after
559,232
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
53,412,414
Date
08 Apr 2026
Ownership
By Apeiron Investment Group Ltd.
No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
53,412,414
Date
08 Apr 2026
Ownership
By Apeiron Investment Group Ltd.
No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,799,302
Date
08 Apr 2026
Ownership
By Apeiron Presight Capital Fund II, L.P.
No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,799,302
Date
08 Apr 2026
Ownership
By Apeiron Presight Capital Fund II, L.P.

Reported derivative securities

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

No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-46,070
Change %
-72%
Price
$0.000000*
Shares after
17,930
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
46,070
Exercise price
$1.88
Footnotes
F2
No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-46,070
Change %
-72%
Price
$0.000000*
Shares after
17,930
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
46,070
Exercise price
$1.88
Footnotes
F2
No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-410,162
Change %
-64%
Price
$0.000000*
Shares after
231,838
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
410,162
Exercise price
$1.64
Footnotes
F3
No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-410,162
Change %
-64%
Price
$0.000000*
Shares after
231,838
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
410,162
Exercise price
$1.64
Footnotes
F3
No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-103,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
103,000
Exercise price
$1.34
Footnotes
F2
No ticker transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares
-103,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
103,000
Exercise price
$1.34
Footnotes
F2
* 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

Represents shares acquired upon exercise of options and held by the Reporting Person.

Footnote F2

The stock option is fully vested and exercisable.

Footnote F3

The stock option vested with respect to 25% of the shares on January 5, 2025, and will vest with respect to the remaining shares in 36 monthly installments thereafter.

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