WOBURN, Mass.--(BUSINESS WIRE)--ArQule, Inc. (“ArQule” or the “Company”) (NASDAQ: ARQL) announced today that it has filed a preliminary prospectus supplement to an existing shelf registration statement with the Securities and Exchange Commission relating to a proposed public offering of 7,000,000 shares of its common stock. In connection with the offering, ArQule expects to grant its underwriters a 30-day option to purchase up to 1,050,000 shares at the public offer price to cover over-allotments, if any.