MBX Biosciences Announces Proposed Public Offering

CARMEL, Ind., Sept. 22, 2025 (GLOBE NEWSWIRE) -- MBX Biosciences, Inc. (Nasdaq: MBX), a clinical-stage biopharmaceutical company focused on the discovery and development of novel precision peptide therapies for the treatment of endocrine and metabolic disorders, today announced that it has filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission (SEC) relating to a proposed underwritten public offering of 10,000,000 shares of its common stock. Furthermore, MBX Biosciences intends to grant the underwriters a 30-day option to purchase from MBX Biosciences up to an additional 1,500,000 shares of its common stock at the public offering price, less underwriting discounts and commissions. The public offering price has not yet been determined. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed or as to the actual size or terms of the offering.