开普检测：董事长姚致清减持84.03万股

Core Insights - The chairman of Kaipu Testing, Yao Zhiqing, reduced his shareholding in the company by selling 840,260 shares, which represents 0.8079% of the total share capital [1] - Following the reduction, Yao's ownership percentage decreased from 16.76% to 15.96%, with his total shareholding dropping from 17,433,961 shares to 16,593,701 shares [1] Summary by Category - Shareholding Changes - Yao Zhiqing sold 840,260 shares through a centralized bidding process [1] - His shareholding percentage fell from 16.76% to 15.96% after the sale [1] - The total number of shares held by Yao decreased from 17,433,961 to 16,593,701 [1]