长江材料：实控人拟减持公司股份不超438.61万股

Group 1 - The core point of the article is that the controlling shareholder and chairman of Changjiang Materials, Xiong Ying, plans to reduce his stake in the company by up to 4.3861 million shares within three months, which represents no more than 3% of the total share capital after excluding shares in the repurchase account [1] Group 2 - The reduction of shares will occur through centralized bidding and block trading methods [1] - The announcement was made on the evening of September 5 [1] - The planned reduction will take place 15 trading days after the announcement [1]