LEXINGTON, Mass.--(BUSINESS WIRE)--Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) today announced that it will issue its third quarter 2009 financial results at 4:00 p.m. ET on Thursday, October 15th, 2009. In connection with this announcement, Cubist will host a conference call and webcast (with slides) at 5:00 p.m. ET on the same day to discuss its third quarter financial results, business activities, and financial outlook.