中矿资源: 中矿资源集团股份有限公司董事和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 management system for the holding and trading of company stocks by directors and senior management is established to strengthen oversight based on relevant laws and regulations [1][2] - This system applies to the management of shares held by the company's directors and senior management [1] Trading Restrictions - Directors and senior management are prohibited from engaging in margin trading or derivative transactions involving the company's stocks [2] - There are specific circumstances under which shares held by directors and senior management cannot be transferred, including within one year of the company's stock listing and within six months after leaving the company [6] Trading Periods - Directors and senior management are restricted from trading company stocks during certain periods, such as 15 days before the annual and semi-annual reports and 5 days before quarterly reports [3][4] Share Transfer Management - The number of shares that can be transferred by directors and senior management is calculated based on the last trading day of the previous year, with specific rules for newly acquired shares [5] - A reduction plan must be reported to the Shenzhen Stock Exchange 15 trading days before the first sale, detailing the number of shares, time frame, and reasons for the reduction [11] Disclosure Requirements - Directors and senior management must report any changes in their shareholdings within two trading days and disclose details such as the number of shares held before and after the transaction [28][29] - The company must ensure that related parties do not engage in insider trading based on confidential information [31] Compliance and Reporting - The company is responsible for managing the identity and shareholding data of its directors and senior management, ensuring compliance with reporting obligations [19][20] - Any violations of trading regulations will result in the company taking necessary actions, including recovering profits from illegal trades [16]