According to the latest data from the Hong Kong Stock Exchange, on May 15, CITIC SEC Asset Management Co., Ltd. sold 12.63 million shares of CHALCO (02600) at an average price of HK$10.6198 per share, with a total transaction value of approximately HK$134 million. Following this disposal, its latest shareholding stands at approximately 190 million shares, representing a stake of 4.82%.