Financings Roundup

• Cempra Inc., of Chapel Hill, N.C., said underwriters of its initial public offering exercised in full their option to purchase an additional 1.26 million shares of common stock at $6 per share, closing the overallotment on Feb. 27 and netting the company about $54.7 million from the offering. Cempra plans to use the proceeds to develop two of its product candidates, CEM-101 and Taksta.