IDEAYA Biosciences (IDYA) Proxy filing summary

Executive summary

• The annual meeting will be held online on June 16, 2026, with voting on director elections, auditor ratification, and executive compensation proposals.

• Shareholders of record as of April 20, 2026, are eligible to vote, with 87,860,920 shares outstanding.

• The company uses a notice-only proxy delivery system, with materials available online and by request.

Voting matters and shareholder proposals

• Three Class I directors are nominated for election to serve until 2029: Yujiro S. Hata, M. Garret Hampton, Ph.D., and Catherine J. Mackey, Ph.D.

• Ratification of PricewaterhouseCoopers LLP as independent auditor for fiscal year ending December 31, 2026.

• Advisory vote on executive compensation (say-on-pay) is included.

• Board recommends voting FOR all proposals.

Board of directors and corporate governance

• Board consists of seven directors divided into three staggered classes, with detailed biographies and qualifications provided.

• Majority of directors are independent per Nasdaq standards; only the CEO is not independent.

• Board committees include Audit, Compensation, and Nominating and Corporate Governance, all composed of independent directors.

• Board met six times in 2025; all directors attended at least 75% of meetings.

• Anti-hedging and insider trading policies are in place for directors and employees.