Form 4 Filing Summary for Zhihong Zhang

Zhihong Zhang, a director at Burning Rock Biotech Ltd, was granted several tranches of share options on September 26, 2022, and April 30, 2023, 2024, and 2025. The vesting of these options is contingent upon the company's valuation reaching specific targets (US$2 billion by the fifth anniversary, US$4 billion by the seventh anniversary, and US$10 billion by the seventh anniversary) and Zhang's continued employment. Some options also have performance-based vesting conditions tied to annual performance ratings. The filing also details Zhang's direct ownership of 1,061,990 ordinary shares and grants powers of attorney for executing SEC filings.