IDEAYA Biosciences Grants Options to Buy 99,600 Shares to Four New Employees

• IDEAYA Biosciences granted four newly hired employees non-qualified stock options covering 99,600 common shares on October 29, 2026.
• The awards fall under the 2023 Employment Inducement Incentive Award Plan and have a 10-year term.
• Options vest over four years, with 25% vesting on the first anniversary of the vesting commencement date.
• The remaining 75% vest in equal monthly installments over the following three years, subject to continued service on each vesting date.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. IDEAYA Biosciences Inc. published the original content used to generate this news brief via PR Newswire (Ref. ID: 202610300600PR_NEWS_USPR_____SF85210) on October 30, 2026, and is solely responsible for the information contained therein.