iBio, Inc. announced that it has entered into a securities purchase agreement with existing healthcare-focused, high-quality institutional investors to issue 11,061,738 shares of common stock or pre-funded warrant at an issue price of $2.35 per share or $2.349 per pre-funded warrant for gross proceeds of $26,000,000 before placement agent fees and offering expenses on January 9, 2026. The transaction is led by Frazier Life Sciences Management, LP and includes participation from other existing investors. The offering is expected to close on or about January 13, 2026, subject to customary closing conditions.

The unregistered shares of common stock and pre-funded warrants sold in the PIPE financing were offered under section 4(a)(2) of the securities Act of 1933, as amended and Regulation D promulgated thereunder and, along with the shares of common stock underlying the pre-funded warrants, have not been registered under the act or applicable state securities laws.