IDYA · IDEAYA Biosciences Inc. Common Stock
View on chartInsiders & Stakes
| Hata Yujiro S President and CEO | ▲ Buy | Option Exercise | 690,695 Shares held | 2/18/2025 | View profile |
| Dillon Michael P. SVP, Chief Scientific Officer | ▼ Sell | Open Market | 78,789 Shares held | 10/4/2021 | View profile |
| Throne Jason Chief Legal Officer | ▲ Buy | Option Exercise | 63,484 Shares held | 6/27/2024 | View profile |
| Stein Jeffrey | ▲ Buy | Open Market | 54,281 Shares held | 3/2/2026 | View profile |
| Ruiz Briseno Andres See Remarks | ▼ Sell | Open Market | 26,466 Shares held | 7/7/2026 | View profile |
| Stone Paul A. SVP, Chief Financial Officer | ▼ Sell | Open Market | 9,303 Shares held | 8/29/2023 | View profile |
| Snyder Douglas B. SVP, General Counsel | ▲ Buy | Grant | 2,080 Shares held | 11/28/2025 | View profile |
| WHITE MICHAEL ANTHONY Chief Scientific Officer | ▼ Sell | Open Market | 0 Shares held | 5/29/2024 | View profile |
Transaction History
| Ruiz Briseno Andres | ▲ Buy | Option Exercise | 9,550 | $123K | 7/7/2026 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 9,550 | $382K | 7/7/2026 |
| Stein Jeffrey | ▲ Buy | Open Market | 50,000 | $1.6M | 3/2/2026 |
| Snyder Douglas B. | ▲ Buy | Grant | 1,041 | $18K | 11/28/2025 |
| Ruiz Briseno Andres | ▲ Buy | Grant | 1,253 | $21K | 11/28/2025 |
| Snyder Douglas B. | ▲ Buy | Grant | 1,039 | $18K | 5/30/2025 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 12,808 | $250K | 2/18/2025 |
| Ruiz Briseno Andres | ▲ Buy | Grant | 682 | $16K | 11/29/2024 |
| Throne Jason | ▲ Buy | Option Exercise | 6,424 | $86K | 6/27/2024 |
| Throne Jason | ▲ Buy | Option Exercise | 47,060 | $330K | 6/27/2024 |
| WHITE MICHAEL ANTHONY | ▲ Buy | Option Exercise | 28,500 | $367K | 5/29/2024 |
| WHITE MICHAEL ANTHONY | ▼ Sell | Open Market | 27,649 | $1.0M | 5/29/2024 |
| WHITE MICHAEL ANTHONY | ▼ Sell | Open Market | 851 | $31K | 5/29/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 34,433 | $148K | 5/16/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 30,084 | $1.3M | 5/16/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 4,349 | $184K | 5/16/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 83,856 | $361K | 5/15/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 53,592 | $2.3M | 5/15/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 29,761 | $1.3M | 5/15/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 503 | $22K | 5/15/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 56,711 | $244K | 5/14/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 54,408 | $2.3M | 5/14/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 2,303 | $96K | 5/14/2024 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 2,000 | $92K | 2/9/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 23,557 | $102K | 2/9/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 23,557 | $1.1M | 2/9/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 75,815 | $327K | 2/8/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 75,815 | $3.4M | 2/8/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 628 | $3K | 2/1/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 624 | $28K | 2/1/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 4 | $180 | 2/1/2024 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 2,000 | $84K | 1/22/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 62,739 | $270K | 1/16/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 62,739 | $2.5M | 1/16/2024 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 2,000 | $76K | 1/12/2024 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 12,261 | $53K | 1/12/2024 |
| Hata Yujiro S | ▼ Sell | Open Market | 12,261 | $491K | 1/12/2024 |
| Throne Jason | ▲ Buy | Option Exercise | 10,000 | $70K | 12/18/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 10,000 | $133K | 12/15/2023 |
| Throne Jason | ▼ Sell | Open Market | 10,000 | $350K | 12/15/2023 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 75,000 | $323K | 12/15/2023 |
| Hata Yujiro S | ▼ Sell | Open Market | 75,000 | $2.6M | 12/15/2023 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 1,672 | $57K | 12/14/2023 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 328 | $11K | 12/14/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 5,163 | $66K | 11/3/2023 |
| Throne Jason | ▼ Sell | Open Market | 5,163 | $155K | 11/3/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 1,000 | $13K | 9/12/2023 |
| Throne Jason | ▼ Sell | Open Market | 500 | $15K | 9/12/2023 |
| Throne Jason | ▼ Sell | Open Market | 500 | $15K | 9/12/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 1,737 | $22K | 9/5/2023 |
| Throne Jason | ▼ Sell | Open Market | 1,737 | $52K | 9/5/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 2,100 | $27K | 9/1/2023 |
| Throne Jason | ▼ Sell | Open Market | 2,100 | $63K | 9/1/2023 |
| Ruiz Briseno Andres | ▼ Sell | Open Market | 2,000 | $60K | 9/1/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 5,000 | $144K | 8/29/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 978 | $26K | 8/21/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 3,822 | $101K | 8/18/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 100 | $3K | 8/16/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 100 | $3K | 8/16/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 5,000 | $67K | 8/9/2023 |
| Throne Jason | ▼ Sell | Open Market | 5,000 | $125K | 8/9/2023 |
| Stone Paul A. | ▼ Sell | Open Market | 2,500 | $63K | 8/9/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 4,485 | $31K | 7/10/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 5,000 | $64K | 7/10/2023 |
| Throne Jason | ▼ Sell | Open Market | 9,485 | $218K | 7/10/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 3,553 | $25K | 6/1/2023 |
| Throne Jason | ▼ Sell | Open Market | 3,553 | $82K | 6/1/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 432 | $3K | 5/31/2023 |
| Throne Jason | ▼ Sell | Open Market | 432 | $10K | 5/31/2023 |
| Throne Jason | ▲ Buy | Option Exercise | 500 | $4K | 5/22/2023 |
| Throne Jason | ▼ Sell | Open Market | 500 | $12K | 5/22/2023 |
| Stone Paul A. | ▲ Buy | Option Exercise | 8,000 | $37K | 4/13/2023 |
| Hata Yujiro S | ▲ Buy | Option Exercise | 11,601 | $50K | 4/12/2023 |
| Dillon Michael P. | ▲ Buy | Option Exercise | 1,500 | $17K | 10/4/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 500 | $13K | 10/4/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 1,000 | $27K | 10/4/2021 |
| Dillon Michael P. | ▲ Buy | Option Exercise | 7,071 | $30K | 9/8/2021 |
| Dillon Michael P. | ▲ Buy | Option Exercise | 4,313 | $48K | 9/8/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 11,184 | $307K | 9/8/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 200 | $6K | 9/8/2021 |
| Dillon Michael P. | ▲ Buy | Option Exercise | 116 | $500 | 9/7/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 116 | $3K | 9/7/2021 |
| Stone Paul A. | ▼ Sell | Open Market | 2,500 | $69K | 9/7/2021 |
| Dillon Michael P. | ▼ Sell | Open Market | 10,000 | $251K | 9/2/2021 |
| Stone Paul A. | ▲ Buy | Grant | 859 | $10K | 5/28/2021 |