Ideaya Biosciences is trading 4.4% up at $38.31 alongside same-day leadership news, though available reporting does not link it to the gain. - On September 28, 2026, CSO Dr. Michael White was promoted to President, Research and Development, effective immediately. - The company cited his leadership and contributions to advancing its oncology research and development pipeline; the announcement did not report a market reaction. - Broader indices were lower amid rising oil prices and Treasury yields; no volume or trading-activity data was available.