JIADE LIMITED Files Form 6-K Regarding Director Change

This Form 6-K filing by JIADE LIMITED announces a change in its board of directors. Effective March 19, 2026, Dr. Shaoping Lu resigned from his positions as a director and member of various committees due to personal reasons. The company stated that his resignation was not due to any disagreements regarding its operations or policies. To fill the vacancy, the board appointed Dr. Yi Chen as an independent director on March 20, 2026. Dr. Chen has also been appointed to the audit, nominating and corporate governance, and compensation committees, and will serve as the chairperson of the nominating and corporate governance committee. The company has confirmed Dr. Chen meets the independence requirements for Nasdaq and relevant SEC rules, and is qualified as an audit committee financial expert. Dr. Chen’s background includes postdoctoral research and academic qualifications in Polymer Science, Chemical Engineering, and Business Administration.