Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Cosmo Feilding-Mellen files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Kevin James Craig - $760K in ATAI purchases and sales in the last 12 months
- Robert Hershberg - $496K in ATAI purchases and sales in the last 12 months
- Gerd Kochendoerfer - $250K in ATAI purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Cosmo Feilding-Mellen?
Cosmo Feilding-Mellen is a corporate insider of AtaiBeckley Inc. (ATAI). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Cosmo Feilding-Mellen last file a Form 4?
The most recent primary Form 4 on record is dated 7 January 2026, one of 3 filings going back to 2025.
Has Cosmo Feilding-Mellen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($154K) across all tracked filings.
