REDWOOD CITY, Calif.--(BUSINESS WIRE)--A.P. Pharma, Inc. (NASDAQ:APPA), a specialty pharmaceuticals company, announced today that it has filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission for a proposed public offering of up to $28,750,000 of its common stock. All of the shares in the proposed offering are being sold by the Company.