*ST大晟(600892.SH)：股东许锦光拟减持合计不超过621.5万股

Group 1 - The core point of the article is that *ST Dazheng (600892.SH) has received a notice from shareholder Xu Jinguang regarding a planned reduction of shares due to personal financial needs [1] - Xu Jinguang intends to reduce a total of up to 6.215 million shares, which represents no more than 1.11% of the company's total share capital [1] - The reduction will be executed through centralized bidding and block trading, with up to 5.5946 million shares (1.00%) to be sold via centralized bidding and up to 620,400 shares (0.11%) through block trading [1]