ATAI Life Sciences N.V. (ATAI) is a publicly traded company in the Unknown sector. Across all available filings, 12 corporate insiders have executed 38 transactions totaling $45.7M, demonstrating a bullish sentiment with $44.7M in net insider flow. The most recent transaction on Sep 30, 2025 involved a transaction of 2,367,200 shares valued at $0.
No significant insider buying has been recorded for ATAI in the recent period.
No significant insider selling has been recorded for ATAI in the recent period.
Based on recent SEC filings, insider sentiment for ATAI is bullish with an Insider Alignment Score of 99/100 and a net flow of $44.7M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at ATAI Life Sciences N.V. (ATAI) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 12 insiders are actively trading ATAI stock, having executed 38 transactions in the past 90 days. The most active insider is Investment Group Ltd. Apeiron (Executive), who has made 9 transactions totaling $20.9M.
Get notified when executives and directors at ATAI file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | Group Ltd. Apeiron Investment | Executive | Conversion | 2,367,200 | $N/A | $0 | |
| Aug 14, 2025 | Group Ltd. Apeiron Investment | Executive | Purchase | 8,675,799 | $2.19 | $19.0M | Large |
| May 16, 2024 | Brand Florian | Executive | Sale | 151,303 | $1.92 | $290.5K | |
| Apr 2, 2024 | Kirpekar Sahil | Executive | Sale | 35,801 | $1.85 | $66.2K | |
| Apr 2, 2024 | Rao Srinivas | Executive | Sale | 61,640 | $1.85 | $114.0K | |
| Apr 2, 2024 | Nagengast Johnson Anne | Executive | Sale | 27,410 | $1.85 | $50.7K | |
| Mar 14, 2024 | Brand Florian | Executive | Option Exercise | 350,000 | $N/A | $0 | |
| Mar 14, 2024 | Rao Srinivas | Executive | Option Exercise | 175,000 | $N/A | $0 | |
| Mar 14, 2024 | Kirpekar Sahil | Executive | Option Exercise | 100,000 | $N/A | $0 | |
| Mar 14, 2024 | Nagengast Johnson Anne | Executive | Option Exercise | 100,000 | $N/A | $0 | |
| Nov 16, 2023 | Brand Florian | Executive | Purchase | 20,000 | $1.16 | $23.2K | |
| Sep 13, 2023 | Brand Florian | Executive | Purchase | 40,000 | $1.45 | $58.0K | |
| Mar 29, 2023 | Angermayer Christian | Executive | Purchase | 1,214,297 | $1.32 | $1.6M | Large |
| Mar 29, 2023 | Brand Florian | Executive | Purchase | 70,000 | $1.48 | $103.6K | |
| Apr 29, 2022 | Angermayer Christian | Executive | Purchase | 21,900 | $4.47 | $97.9K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 28 | $45.2M | 98.9% |
Sale(S) | 4 | $521.5K | 1.1% |
Conversion(C) | 1 | $0 | 0.0% |
Exercise(M) | 4 | $0 | 0.0% |
Other(J) | 1 | $0 | 0.0% |
Insiders at ATAI Life Sciences N.V. are accumulating shares at an accelerated pace. With 12 insiders making 38 transactions totaling $45.2M in purchases versus $521.5K in sales, the net buying activity of $44.7M signals strong executive confidence. Investment Group Ltd. Apeiron (Executive) leads the buying activity with $20.9M in transactions across all time.