SAB BIO Announces Proposed Public Offering of Common Stock and Pre-Funded Warrants

MIAMI, March 17, 2026 (GLOBE NEWSWIRE) -- SAB Biotherapeutics, Inc. (Nasdaq: SABS), a clinical-stage biopharmaceutical company developing a fully human anti-thymocyte immunoglobulin (hATG) for type 1 diabetes (T1D) and other autoimmune diseases, today announced that it has commenced an underwritten public offering of shares of its common stock (and, in lieu of common stock to certain investors, pre-funded warrants to purchase shares of common stock). SAB BIO also intends to grant the underwriters a 30-day option to purchase up to an additional 15% of the of the securities to be sold in the proposed offering at the public offering price, less underwriting discounts and commissions. All of the shares (and any pre-funded warrants) in the proposed offering are to be sold by SAB BIO.