An IPO prospectus for a Hong Kong listing submitted by Suzhou Zelgen Biopharmaceutical Co., Ltd. has lapsed. The document, which was filed on December 19, 2025, became invalid on June 19, 2026, after the standard six-month period. At the time of the initial filing, China International Capital Corporation Limited was the sole sponsor.
According to the prospectus, Suzhou Zelgen Biopharmaceutical Co., Ltd. (SSE: 688266) is a comprehensive biopharmaceutical company. It focuses on the discovery, development, and commercialization of innovative small-molecule and biologic therapies, with a strategic emphasis on oncology, autoimmune diseases, and hemostasis/hematological disorders.