SAB BIO Announces Closing of $85 Million Public Offering of Common Stock and Pre-Funded Warrants

MIAMI, March 19, 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 the closing of an underwritten public offering of 19,324,677 shares of its common stock at a public offering price of $3.85 per share, and, in lieu of common stock to certain investors, pre-funded warrants to purchase up to 2,753,246 shares of common stock at a public offering price of $3.8499 per pre-funded warrant, which represents the per share public offering price less the $0.0001 per share exercise price for each pre-funded warrant. Gross proceeds from the offering were approximately $85 million, before deducting underwriting discounts and commissions and offering expenses. SAB BIO has granted the underwriters a 30-day option to purchase up to an additional 3,311,688 shares of common stock on the same terms and conditions. All of the securities sold in the offering were offered by SAB BIO.