Five Prime Announces Proposed Public Offering of Common Stock

SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Five Prime Therapeutics, Inc. (Nasdaq: FPRX), a clinical-stage biotechnology company focused on developing immune modulators and precision therapies for solid tumor cancers, announced today that it plans to offer and sell, subject to market and other conditions, 5,000,000 shares of its common stock in an underwritten public offering. In connection with the offering, Five Prime intends to grant the underwriters in the offering a 30-day option to purchase up to an additional 750,000 shares of common stock offered in the public offering.