Company profile
ATAI Life Sciences N.V. Insider Trading
ATAIEvery SEC Form 4 insider trading filing for ATAI Life Sciences N.V. (ATAI) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Sector
- Pharmaceutical Preparations
- CIK
- 0001840904
- Filings
- 62
- Insiders
- 20
- Last filing
- 2026-09-11
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $0 across 50 transactions.
Three year balance
Buy and sell value by quarter, Q2 23 to Q4 25. ATAI Life Sciences N.V. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $25.3M.
90 day insight
Over the last 90 days, ATAI Life Sciences N.V. insiders sold $0 across 50 transactions with no open-market purchases.
- Most active insider: Christopher Ryan Cave Barrett with 11 transactions totaling $0.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Gerd Kochendoerfer | ATAI | Disposition | 1,400,000 | — | — |
| Sep 11, 2026 | Gerd Kochendoerfer | ATAI | Disposition | 675,000 | — | — |
| Sep 11, 2026 | Gerd Kochendoerfer | ATAI | Disposition | 150,000 | — | — |
| Sep 11, 2026 | Kevin James Craig | ATAI | Disposition | 8,437 | — | — |
| Sep 11, 2026 | Kevin James Craig | ATAI | Disposition | 10,000 | — | — |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=ATAI" \
-H "X-Api-Key: $KEY"Get a keyInstitutional Ownership
Top 13F-HR holders of ATAI Life Sciences N.V. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →