Richful(SZ:300910) Sou Hu Cai Jing·2025-12-18 14:44Summary of Key Points Core Viewpoint - 瑞丰新材 (300910) has experienced a slight increase in stock price, with a recent announcement regarding a significant share reduction by a major shareholder, which does not affect the company's control structure [1]. Group 1: Stock Performance - As of December 18, 2025, 瑞丰新材 closed at 58.3 yuan, up 0.66% from the previous trading day [1]. - The stock opened at 57.65 yuan, reached a high of 59.2 yuan, and a low of 57.51 yuan, with a trading volume of 81.05 million yuan and a turnover rate of 0.67% [1]. Group 2: Shareholder Activity - 中国石化集团资本有限公司, a shareholder with over 5% ownership, completed a share reduction plan, selling a total of 2,959,300 shares, which represents 1.00% of the company's total share capital [1]. - The reduction occurred between November 25 and December 18, 2025, with an average selling price of 57.17 yuan per share [1]. - Following this reduction, 中石化资本's ownership percentage decreased from 12.18% to 11.18% [1]. - The share reduction was conducted in compliance with relevant laws and regulations and did not lead to a change in the company's control [1].