Cosmo Feilding-Mellen

Director, Atai Beckley N.V.

Companies

AtaiBeckley Inc.Board member Jan 6, 2026 to now¹
Atai Beckley N.V.Board member Nov 6, 2025 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Atai Beckley N.V.7,702,990 shares³Nov 5, 2025
AtaiBeckley Inc.7,663,396 shares⁴Jan 2, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Jan 2, 2026Sold 39,594 shares at $3.90 of AtaiBeckley Inc.⁴
Nov 5, 2025Granted 7,702,990 shares of Atai Beckley N.V.³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARAtaiBeckley Inc., Board member
2
SEC EDGARAtai Beckley N.V., Board member
3
SEC EDGARAtai Beckley N.V. shares after the filing of Nov 5, 2025
4
SEC EDGARAtaiBeckley Inc. shares after the filing of Jan 2, 2026