Cosmo Feilding-Mellen Net Worth
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Cosmo Feilding-Mellen has an estimated net worth of at least $29.3 million*, as of April 8, 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 $29.3 million.
Insider Trading at $ATAI
There have been a total of 41 insider trades reported at $ATAI since 2021, with 24.7 million shares purchased and 597,998 shares sold. The most active insider traders in $ATAI stock have been Florian Brand, Srinivas Rao, and Anne Nagengast Johnson. The most recent trade was a sale of 100,000 shares reported by Kevin James Craig (Chief Medical Officer), made on Mar 20, 2026.
History of Insider Stock Trades by Cosmo Feilding-Mellen
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
ATAI
|
Sale | 39,594 | Jan 02, 2026 | Jan. 6, 2026, 9:22 p.m. |
$ATAI Executives and Stock Owners with Insider Trades
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Florian Brand, See Remarks
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Srinivas Rao, See Remarks
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Anne Nagengast Johnson, Chief Financial Officer
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Kevin James Craig, Chief Medical Officer
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Sahil Kirpekar, Chief Business Officer
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Gregory L Weaver, Chief Financial Officer
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Glenn Frank Short, Chief Scientific Officer
*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.