According to the latest disclosure from the Hong Kong Stock Exchange, Chairman Wang Xiaoguang purchased an additional 50,000 shares of CSC DEVELOPMENT (00830) on August 21st at a price of HK$1.5 per share, representing a total transaction value of HK$75,000. Following this acquisition, his total shareholding reaches 5.13 million shares, accounting for 0.23% of the company's total share capital.