海天瑞声: 北京海天瑞声科技股份有限公司董事、高级管理人员和核心技术人员持有公司股份及其变动管理制度

General Provisions - The management system for the shares held by the company's directors, senior management, and core technical personnel is established to strengthen the management of shareholding and changes, ensuring market order [1] - This system applies to all shares held by directors, senior management, and core technical personnel, whether registered in their name or held through others' accounts [1] Prohibited Trading Activities - Directors and senior management are prohibited from transferring shares under specific circumstances, including within one year of the company's stock listing and within six months after leaving the company [1][2] - Core technical personnel must adhere to restrictions on selling pre-IPO shares, including a 12-month lock-up period post-listing and a maximum of 25% of their pre-IPO shares per year for four years thereafter [2] Trading Restrictions - Directors and senior management cannot trade company shares during certain periods, such as 15 days before the annual or semi-annual report announcements and five days before quarterly reports [2][3] - The maximum annual transfer of shares by directors and senior management is limited to a percentage of their total holdings, based on the previous year's end holdings [3] Information Disclosure and Reporting - The company secretary is responsible for managing the identity and shareholding data of directors and senior management, ensuring timely reporting of any changes [4][5] - Directors and senior management must report their share transactions within two trading days, including details such as the number of shares before and after the transaction [7][8] Additional Regulations - The company may impose additional restrictions on share transfers, such as longer lock-up periods or performance conditions, which must be disclosed [5][6] - Directors and senior management are prohibited from engaging in margin trading involving the company's shares [8]