Apeiron Investment Group Ltd. and Christian Angermayer Exercises Options at AtaiBeckley Inc (ATAI) — SEC Form 4, Apr 10, 2026

SEC Form 4 · No Market Transaction
Option Exercise

Derivative exercise — no open market transaction.

Reporting Owners
Apeiron Investment Group Ltd.
10%+
Christian Angermayer
Director 10% Owner
TXN 2026-04-08 · FILED 2026-04-10
Equity Position 55.8M sh 55,211,716 → 55,770,948
Equity Change +1.0% shares held after vs before
Filing Lag 2 business days within 2-day SEC deadline
Form 4 · Statement of Changes in Beneficial Ownership

AtaiBeckley Inc

ATAI CIK 0002081043
All AtaiBeckley Inc insider activity
Filing Date
2026-04-10
Report Date
2026-04-10
Accession No.
0001140361-26-014300
Accepted At
2026-04-10 22:00 UTC
Reporting Owners
Name Relationship
Apeiron Investment Group Ltd. CIK 0001845711
10% Owner
Christian Angermayer CIK 0001845872
Director 10% Owner
Apeiron Investment Group Ltd. at AtaiBeckley Inc Full insider history
Bought (12 mo) —
Sold (12 mo) —
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2026-09-11 - — View
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Non-Derivative Securities Transactions
Title Date Type Shares Price Net Total Post-Txn Ownership
Common StockF1 2026-04-08 M - Exercise 46,070 A $1.88 +$86,612 46,070 Direct
Common StockF1 2026-04-08 M - Exercise 410,162 A $1.64 +$672,666 456,232 Direct
Common StockF1 2026-04-08 M - Exercise 103,000 A $1.34 +$138,020 559,232 Direct
Derivative Securities Transactions
Title Strike Date Type Shares Price Expiration Underlying Ownership
Stock OptionF2 $1.88 2026-04-08 M - Exercise 46,070 D $0.00 2033-05-23 46,070 Common Stock Direct
Stock OptionF3 $1.64 2026-04-08 M - Exercise 410,162 D $0.00 2034-01-05 410,162 Common Stock Direct
Stock OptionF2 $1.34 2026-04-08 M - Exercise 103,000 D $0.00 2034-06-13 103,000 Common Stock Direct
Non-Derivative Holdings
Title Shares Held Ownership
Common Stock 53,412,414 Indirect By Apeiron Investment Group Ltd.
Common Stock 1,799,302 Indirect By Apeiron Presight Capital Fund II, L.P.
Footnotes (3)
F1
Represents shares acquired upon exercise of options and held by the Reporting Person. Show more
F2
The stock option is fully vested and exercisable. Show more
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. Show more

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Institutional Holders
13F holders · Jun 30, 2026 240 institutional managers reporting a position
Largest by reported value
  1. Black Rock, Inc. $135M
  2. Deep Track Capital, Lp $76M
  3. Vanguard Capital Management Llc $61.9M
5%+ Holders · 13D/G 1 filer

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at AtaiBeckley Inc
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