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Insider Trading

Cosmo Feilding-Mellen Net Worth

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Last Updated: 2 days, 16 hours ago

Cosmo Feilding-Mellen has an estimated net worth of at least $32.2 million*, as of April 29, 2026. They own 7.7 million shares of ATAI stock. They have sold 39,594 shares of ATAI stock since 2021, for an estimated $0.

Cosmo Feilding-Mellen $ATAI SEC Form 4 Insider Trading

Cosmo Feilding-Mellen has filed a total of 1 insider trades in $ATAI since 2021. Their most recent trade was a sale of 39,594 shares, made on Jan 02, 2026. Their largest trade was a sale of 39,594 shares, made on Jan 02, 2026. We estimate that they now own 7.7 million shares of $ATAI, worth an estimated $32.2 million.



Insider Trading at $ATAI

There have been a total of 42 insider trades reported at $ATAI since 2021, with 24.7 million shares purchased and 640,577 shares sold. The most active insider traders in $ATAI stock have been Florian Brand, Kevin James Craig, and Srinivas Rao. The most recent trade was a sale of 42,579 shares reported by Kevin James Craig (Chief Medical Officer), made on Apr 20, 2026.



History of Insider Stock Trades by Cosmo Feilding-Mellen

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ATAI logo ATAI Sale 39,594 Jan 02, 2026 Jan. 6, 2026, 9:22 p.m.




$ATAI Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.