宇晶股份：控股股东、实际控制人杨宇红8月4日减持178.72万股

Group 1 - The core point of the article is that the controlling shareholder and chairman of Yujing Co., Yang Yuhong, reduced his shareholding in the company by 1,787,200 shares, which represents 0.88% of the total share capital after excluding shares held in the company's repurchase account [1] - Following this reduction, Yang Yuhong and his concerted parties' shareholding percentage decreased from 39.39% to 38.51% [1]