建研院：董事吴其超、监事褚莹合计减持30.55万股，减持计划时间区间届满

Group 1 - The company Jianyan Institute (SH 603183) announced a share reduction plan by major shareholders due to personal funding needs, with a maximum of 4.95 million shares (0.9957% of total shares) to be sold by director Wu Qichao and 36,000 shares (0.0072% of total shares) by supervisor Chu Ying [1] - As of the announcement date, Wu Qichao has already reduced his holdings by 269,500 shares, representing 0.0542% of the company's current shares, while Chu Ying has reduced his holdings by 36,000 shares, also representing 0.0072% [1] - For the year 2024, the revenue composition of Jianyan Institute is projected to be 93.25% from professional technical services, 6.32% from sales of new building materials, and 0.44% from other businesses [1] Group 2 - The current market capitalization of Jianyan Institute is 2.4 billion yuan [2]