瑞茂通: 瑞茂通董事、高级管理人员持有和买卖本公司股票管理制度（2025年8月修订）

General Provisions - The company establishes a management system for the shares held and traded by its directors and senior management to strengthen oversight and clarify procedures [1][2] - The system is based on relevant laws and regulations, including the Company Law and Securities Law of the People's Republic of China [2] Information Reporting Regulations - The company secretary is responsible for managing the identity and shareholding data of directors and senior management, ensuring timely online reporting of personal information [4] - Directors and senior management must report their shareholding changes within two trading days of the occurrence [8] Trading Regulations - Directors and senior management must notify the company secretary of their trading plans before buying or selling shares, and the board should assess any potential risks [7] - Any changes in shareholding must be reported and announced through the stock exchange within two trading days [8] Prohibited Trading Conditions - Directors and senior management are prohibited from transferring shares under specific conditions, such as within one year of the company's stock listing or within six months after leaving their positions [11] - Trading is also restricted during certain periods, such as 15 days before the announcement of annual or semi-annual reports [12] Restricted Trading Conditions - Directors and senior management can only transfer up to 25% of their total shareholding in a year through various trading methods [14] - New shares acquired through various means are subject to specific transfer limits in the same year [16] Other Provisions - The rights associated with shares held during the lock-up period remain unaffected [17] - Directors and senior management engaging in margin trading must comply with relevant regulations and report to the stock exchange [19] Legal Responsibilities - Violations of this system by directors and senior management may result in penalties from regulatory authorities [20] Supplementary Provisions - The system is subject to amendments by the company's board and takes effect upon approval [22][23]