10 insiders reported 38 Form 4 transactions for ATAI Life Sciences N.V. (ATAI) over the past 18 months (most recent 2026-07-09). Recent activity: HERSHBERG ROBERT (Director) Buy 48,858 shares, HERSHBERG ROBERT (Director) Buy 51,142 shares, HERSHBERG ROBERT (Director) Sell 100,000 shares, Kochendoerfer Gerd (Chief Operating Officer) Buy 50,000 shares, Craig Kevin James (Chief Medical Officer) Buy 33,051 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-09 | HERSHBERG ROBERT | Director | Buy | 48,858 | $65,958 |
| 2026-07-09 | HERSHBERG ROBERT | Director | Buy | 51,142 | $69,042 |
| 2026-07-09 | HERSHBERG ROBERT | Director | Sell | 100,000 | $496,000 |
| 2026-06-29 | Kochendoerfer Gerd | Chief Operating Officer | Buy | 50,000 | $80,000 |
| 2026-06-29 | Craig Kevin James | Chief Medical Officer | Buy | 33,051 | $49,576 |
| 2026-06-29 | Kochendoerfer Gerd | Chief Operating Officer | Sell | 50,000 | $250,000 |
| 2026-06-29 | Craig Kevin James | Chief Medical Officer | Buy | 9,528 | $11,243 |
| 2026-06-29 | Craig Kevin James | Chief Medical Officer | Sell | 42,579 | $192,031 |
| 2026-04-22 | Craig Kevin James | Chief Medical Officer | Buy | 15,299 | $28,150 |
| 2026-04-22 | Craig Kevin James | Chief Medical Officer | Buy | 27,280 | $40,920 |
| 2026-04-22 | Craig Kevin James | Chief Medical Officer | Sell | 42,579 | $212,895 |
| 2026-04-10 | Angermayer Christian | Director | Buy | 46,070 | $86,612 |
| 2026-04-10 | Apeiron Investment Group Ltd. | 10% Owner | Buy | 410,162 | $672,666 |
| 2026-04-10 | Angermayer Christian | Director | Buy | 410,162 | $672,666 |
| 2026-04-10 | Angermayer Christian | Director | Buy | 103,000 | $138,020 |
| 2026-04-10 | Apeiron Investment Group Ltd. | 10% Owner | Buy | 103,000 | $138,020 |
| 2026-04-10 | Apeiron Investment Group Ltd. | 10% Owner | Buy | 46,070 | $86,612 |
| 2026-03-24 | Craig Kevin James | Chief Medical Officer | Buy | 76,224 | $89,944 |
| 2026-03-24 | Craig Kevin James | Chief Medical Officer | Buy | 23,776 | $35,664 |
| 2026-03-24 | Craig Kevin James | Chief Medical Officer | Sell | 100,000 | $355,000 |
| 2026-01-06 | Feilding-Mellen Cosmo | Director | Sell | 39,594 | $154,417 |
| 2025-11-06 | Feilding-Mellen Cosmo | Director | Buy | 7.7M | $0 |
| 2025-10-02 | Apeiron Investment Group Ltd. | Insider | Buy | 2.4M | $0 |
| 2025-10-02 | Angermayer Christian | Director | Buy | 2.4M | $0 |
| 2025-08-18 | Apeiron Investment Group Ltd. | Insider | Buy | 8.7M | $19.0M |
Source: SEC Form 4 filings · as of 2026-07-09