Capstead Mortgage Corp. on Aug. 1 closed an underwritten public offering of 9 million shares of its common stock.

The shares were issued pursuant to an underwriting agreement dated July 29. Capstead Mortgage agreed to sell the shares to Credit Suisse Securities (USA) LLC, BofA Securities Inc., J.P. Morgan Securities LLC and JMP Securities LLC at $8.385 per share. The company also granted underwriters the option to purchase up to 1,350,000 additional common shares.