1. According to the relevant provisions of the Securities Law and the Measures for the Administration of Information Disclosure of Listed Companies, the change of securities representatives of listed companies needs to be disclosed in time. A listed company shall publicly disclose the name, position, work experience, education level, qualification certificate and other information of the replaced securities representative within two trading days after the replacement of the securities representative, and report it to the shareholders' meeting or the board of directors for deliberation and approval.
2. Listed companies also need to disclose the relevant information of securities representatives in their annual reports. Therefore, the change of securities representatives of listed companies needs to be disclosed.