IMMUNEONCO-B (01541) announced that the board was informed by Dr. Tian Wenzhi, the company's Executive Director, CEO, and Chairman of the Board, that he purchased a total of 50,000 H shares of the company in the open market on November 7, 2025, at an average price of approximately HKD 7.9500 per share. This represents about 0.01% of the company's total issued shares. Following the purchase, Dr. Tian holds an interest in a total of 116 million shares, accounting for 26.90% of the company's total issued share capital as of the announcement date. Dr. Tian expressed confidence in the overall development prospects and potential growth of the group. Subject to compliance with applicable laws and regulations, he did not rule out further increasing his holdings in the company at an appropriate time.