Feilding-Mellen Cosmo has filed 6 insider transactions across 2 companies since November 2025.
Most recent transaction: a sale of 39594 shares of AtaiBeckley Inc. ($ATAI) on January 02, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | AtaiBeckley Inc. | $ATAI | Feilding-Mellen Cosmo | Not found | S | Common Stock | 39594 | $3.90 | 7,663,396.0000 | 0 | 0.51% | 0.00% |
| Nov. 25, 2025 | Atai Beckley N.V. | $ATAI | Feilding-Mellen Cosmo | Not found | D | Stock Option | 40400 | $0.00 | 0.0000 | 363,190,522 | 100.00% | 0.01% |
| Nov. 25, 2025 | Atai Beckley N.V. | $ATAI | Feilding-Mellen Cosmo | Not found | A | Stock Option | 10000 | $0.00 | 10,000.0000 | 363,190,522 | 9999.99% | 0.00% |
| Nov. 5, 2025 | Atai Beckley N.V. | $ATAI | Feilding-Mellen Cosmo | Not found | A | Common Shares | 7702990 | $0.00 | 7,702,990.0000 | 198,306,455 | 9999.99% | 3.88% |
| Nov. 5, 2025 | Atai Beckley N.V. | $ATAI | Feilding-Mellen Cosmo | Not found | A | Stock Option | 103000 | $0.00 | 103,000.0000 | 198,306,455 | 9999.99% | 0.05% |
| Nov. 5, 2025 | Atai Beckley N.V. | $ATAI | Feilding-Mellen Cosmo | Not found | A | Stock Option | 40400 | $0.00 | 40,400.0000 | 198,306,455 | 9999.99% | 0.02% |