基石控股(01592.HK)：严建国辞任独立非执行董事

Core Viewpoint - The resignation of Yan Jianguo from the position of independent non-executive director and member of the audit committee of Cornerstone Holdings is effective from August 27, 2025, due to his pursuit of other career and personal matters [1] Company Summary - Yan Jianguo has resigned from his roles at Cornerstone Holdings [1] - The resignation is attributed to personal and career pursuits [1] - The effective date of the resignation is set for August 27, 2025 [1]