Abivax Announces Pricing of $650M (€554M) Public Offering of American Depositary Shares

Core Viewpoint - Abivax SA has announced a public offering of American Depositary Shares (ADSs) priced at $64.00 per ADS, aiming to raise approximately $650 million to support its clinical development efforts [1][9][10]. Offering Details - The offering consists of 10,156,000 ADSs, each representing one ordinary share with a nominal value of €0.01 [1]. - The offering price reflects a 21.0% premium over the volume weighted average price of the ordinary shares on Euronext Paris over the last three trading sessions prior to pricing [2]. - The offering is managed by Leerink Partners, Piper Sandler & Co., and Guggenheim Securities, with LifeSci Capital as the lead manager [3]. Financial Proceeds - The gross proceeds from the offering are expected to be approximately $650 million, or €554 million, before deducting expenses [9]. - If the underwriters' option to purchase additional shares is fully exercised, total gross proceeds could reach approximately $747.5 million, or €637.5 million [10]. Use of Proceeds - The company plans to use the net proceeds to fund clinical development for its lead drug candidate, obefazimod, targeting ulcerative colitis and Crohn's disease, as well as for general corporate purposes [11][16]. - Specific allocations include approximately $140 million to $185 million for ulcerative colitis, and $30 million to $65 million for Crohn's disease [16]. Closing and Lock-up - The offering is expected to close on July 28, 2025, subject to customary conditions [6]. - Company board members and executive officers are subject to a 60-day lock-up period following the final prospectus supplement [13]. Dilution Impact - The issuance of ADSs will result in a dilution of approximately 16.0% of the company's share capital on a non-diluted basis, increasing to 18.4% if the underwriters' option is exercised [14]. Company Overview - Abivax is a clinical-stage biotechnology company focused on developing therapeutics that modulate the immune response in chronic inflammatory diseases, with its lead candidate currently in Phase 3 trials for ulcerative colitis [20].