Following its 2022 debut on Shanghai’s STAR Market, Mabwell (Shanghai) Bioscience Co. Ltd. is aiming to raise up to HK$1.44 billion (US$184.78 million) in an IPO on the Hong Kong Stock Exchange to advance its Nectin4-targeting antibody-drug conjugate (ADC) 9MW-2821 (bulumtatug fuvedotin).