Christian Angermayer
CIK 1845872 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: Aug. 25, 2021 · Latest: June 16, 2026
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 9 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
9 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 22, 2021 | ATAI | P | 700,000 | $15.00 | $10,500,000 | 20,185,200 Indirect | +3.59% | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 26, 2025 | ATAI | Stock Option | Common Shares (103,000) | $2.25 | June 26, 2035 | 103,000 | Acquired |
| June 2, 2025 | ATAI | Stock Option [F1] | Common Shares (131,698) | $2.49 | June 2, 2035 | 131,698 | Acquired |
| Oct. 4, 2024 | ATAI | Stock Option [F1] | Common Shares (624,000) | $5.68 | Aug. 20, 2030 | 624,000 | Acquired |
| Oct. 4, 2024 | ATAI | Stock Option [F1] | Common Shares (624,000) | $5.68 | Aug. 20, 2025 | 624,000 | Disposed |
| June 13, 2024 | ATAI | Stock Option | Common Shares (103,000) | $1.34 | June 13, 2034 | 103,000 | Acquired |
| Jan. 5, 2024 | ATAI | Stock Option | Common Shares (642,000) | $1.64 | Jan. 5, 2034 | 642,000 | Acquired |
| May 23, 2023 | ATAI | Stock Option | Common Shares (64,000) | $1.88 | May 23, 2033 | 64,000 | Acquired |
| May 25, 2022 | ATAI | Stock Option | Common Shares (64,000) | $3.84 | May 25, 2032 | 64,000 | Acquired |
| Sept. 10, 2021 | ATAI | Stock Option | Common Shares (128,000) | $16.46 | Sept. 10, 2031 | 128,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 25, 2021 | ATAI | Common Shares | — | Indirect |
| Aug. 25, 2021 | ATAI | Convertible Notes→ Common Shares | — | Indirect |
| June 17, 2021 | ATAI | Common Shares | 19,485,200 | Indirect |
| June 17, 2021 | ATAI | Common Shares | 1,187,104 | Indirect |
| June 17, 2021 | ATAI | Convertible Notes→ Common Shares (8,320,000) | 8,320,000 | Indirect |