长阳科技：四位高管杨衷核、李辰、杨承翰、周玉波完成减持计划

Group 1 - The core point of the article is that four executives of Changyang Technology have completed their share reduction plan as of July 29, 2025 [1] Group 2 - Executive Yang Zhonghe reduced 18,700 shares, accounting for 0.0065% of the total share capital, with a reduction amount of 358,100 yuan [1] - Executive Li Chen reduced 20,625 shares, accounting for 0.0072% of the total share capital, with a reduction amount of 394,600 yuan [1] - Executive Yang Chenghan reduced 12,500 shares, accounting for 0.0043% of the total share capital, with a reduction amount of 239,800 yuan [1] - Executive Zhou Yubo reduced 19,000 shares, accounting for 0.0066% of the total share capital, with a reduction amount of 364,300 yuan [1]