CHAPEL HILL, N.C., Nov. 8, 2012 /PRNewswire/ -- Cempra, Inc. (CEMP), a clinical-stage pharmaceutical company focused on developing antibiotics to meet critical medical needs in the treatment of bacterial infectious diseases, today reported financial results for the third quarter ended Sept. 30, 2012. The company will host a conference call and webcast at 4:30 p.m. EST, today.