辽宁成大生物股份有限公司 董事、高级管理人员持股变动管理办法 董事、高级管理人员持股变动管理办法 第一章 总则 第一条 为加强辽宁成大生物股份有限公司（以下简称"公司"或"本公司"） 对董事、高级管理人员持有及买卖本公司股份的管理工作，根据《中华人民共和 国公司法》（以下简称"《公司法》"）《中华人民共和国证券法》（以下简称 "《证券法》"）《上市公司股东减持股份管理暂行办法》《上市公司董事和高 级管理人员所持本公司股份及其变动管理规则》《上海证券交易所科创板上市公 司自律监管指引第 1 号——规范运作》《上海证券交易所上市公司自律监管指引 第 8 号——股份变动管理》《上海证券交易所上市公司自律监管指引第 15 号— —股东及董事、高级管理人员减持股份》等法律、行政法规、部门规章、规范性 文件及《辽宁成大生物股份有限公司章程》（以下简称"《公司章程》"）的有 关规定，结合公司实际情况，制定本办法。 第二条 本办法适用于公司董事、高级管理人员所持本公司股份及其变动的 管理。 公司董事、高级管理人员所持本公司股份，是指登记在其名下和利用他人账 户持有的所有本公司股份。董事、高级管理人员拥有多个证券账户的，应当合 ...

General Principles - The management system for shareholding changes of directors and senior management of Donghao Lansheng Exhibition Group Co., Ltd. is established to regulate the management of shares held by these individuals in accordance with relevant laws and regulations [2][3] - Directors and senior management must comply with the restrictions on share changes as stipulated in the Company Law, Securities Law, and other relevant regulations [2][3] Shareholding Commitments - Directors and senior management are required to strictly adhere to any commitments made regarding the proportion, duration, method, quantity, and price of shareholding changes [3] - They must be aware of the prohibitions against insider trading and market manipulation before engaging in any transactions involving the company's shares [3] Reporting and Disclosure - Directors and senior management must report their personal information and any changes in shareholding within specified timeframes, including new appointments and changes in personal information [4][5] - Any changes in shareholding must be reported within two trading days, including details such as the number of shares held before and after the change, the date, quantity, price, and reasons for the change [6][8] Share Reduction Plans - If directors and senior management plan to reduce their shareholdings, they must submit a reduction plan to the Shanghai Stock Exchange, detailing the number of shares, time frame, price range, and reasons for the reduction [7] - After completing a reduction plan, they must report and announce the results within two trading days [10] Prohibited Trading Periods - Directors and senior management are prohibited from trading the company's shares during specific periods, such as 15 days before the announcement of annual or semi-annual reports [11] - They are also restricted from engaging in margin trading or derivative transactions involving the company's shares [12] Transfer Limitations - During their term and for six months after, directors and senior management can only transfer up to 25% of their total shareholdings each year, with certain exceptions [9][12] - Shares held for less than one year or during specific legal investigations cannot be transferred [12] Legal Compliance - The company and its directors and senior management must ensure that all reported data is truthful, accurate, timely, and complete, and they bear legal responsibility for any discrepancies [8] - Any violations of the Securities Law regarding share trading must result in the company recovering any profits made from such transactions [11]

General Principles - The document outlines the management system for the shares held by the board members and senior management of Guangzhou Seagull Housing Industrial Co., Ltd, aiming to strengthen the management of shareholding and trading activities [1][2]. - The system is applicable to all shares held by the company's directors and senior management, including those held in others' accounts and through margin trading [1][2]. Share Trading Management - Directors and senior management must notify the board secretary in writing before trading shares, who will verify compliance with relevant laws and regulations [2]. - There are restrictions on share transfers during specific periods, such as within one year of the company's stock listing and within six months after leaving the company [2][3]. - A prohibition on trading exists during certain windows, including 15 days before the annual and semi-annual reports and 5 days before quarterly reports [3][4]. Short-term Trading Restrictions - Directors and senior management are prohibited from short-term trading, defined as selling shares within six months of purchase or buying shares within six months of selling [4][5]. Reporting Requirements - Any changes in shareholding must be reported within two trading days, including details such as the number of shares held before and after the change [5][6]. Transfer Limits - During their term and for six months after, directors and senior management can only transfer up to 25% of their shares each year, with specific exceptions for legal circumstances [6][7]. Shareholding Increase Regulations - Directors and senior management must disclose any plans for increasing their shareholdings and report on the progress of such plans [7][8]. Accountability Measures - The company is responsible for monitoring compliance with shareholding and trading regulations, with the board secretary overseeing the reporting and disclosure of shareholding changes [9][10]. - Violations of these regulations may result in penalties from regulatory authorities and internal disciplinary actions [10][11].