 NEWTOWN, Pa., Sept. 23, 2021 GLOBE NEWSWIRE -- Onconova Therapeutics, Inc. NASDAQ: ONTX Onconova, a biopharmaceutical company focused on discovering and developing novel products to treat cancer, today announced that it intends to offer and sell shares of its common stock in an underwritten public offering. All of the shares to be sold in the offering will be offered by Onconova. The offering is subject to market 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. In addition, Onconova intends to grant the underwriters a thirty-day option to purchase up to an additional 15 percent of shares of its common stock offered in the public offering. 