Hong Kong-listed pharmaceutical company Bonsun Pharmaceuticals' IPO prospectus has expired. The prospectus for Hangzhou Bonsun Pharmaceuticals Co., Ltd., submitted to the Hong Kong Stock Exchange on January 22, 2026, has lapsed as of July 22, 2026, after the standard six-month validity period. China Securities (International) Corporate Finance Limited was the sole sponsor for the offering.
According to the lapsed document, Bonsun Pharmaceuticals is a biotechnology company focused on the fields of oncology and autoimmune diseases. The company has established a pipeline that includes one New Drug Application (NDA) stage candidate (Bezexitinib), one registration-stage clinical candidate (CX1440), and five preclinical-stage candidates (CX03, CX12, CX13, CX15, and CX16).