Alumis Announces Closing of Upsized Public Offering and Full Exercise of Underwriters' Option to Purchase Additional Shares

Company Overview - Alumis Inc. is a clinical-stage biopharmaceutical company focused on developing next-generation targeted therapies for immune-mediated diseases [5] - The company utilizes a proprietary data analytics platform and precision approach to enhance patient health and outcomes [5] Recent Offering - Alumis announced the closing of an upsized underwritten public offering of 20,297,500 shares of common stock at a price of $17.00 per share, resulting in gross proceeds of approximately $345.1 million before deductions [1] - The offering included the full exercise of the underwriters' option to purchase an additional 2,647,500 shares [1] Underwriters - Morgan Stanley, Leerink Partners, Cantor, and Wells Fargo Securities served as joint book-running managers for the offering, while Baird and Oppenheimer & Co. acted as co-lead managers [2] Regulatory Compliance - The public offering was conducted under a shelf registration statement on Form S-3, which was previously filed and declared effective by the SEC on August 19, 2025 [3]

Alumis Inc.-Alumis Announces Closing of Upsized Public Offering and Full Exercise of Underwriters' Option to Purchase Additional Shares - Reportify