SAN DIEGO--(BUSINESS WIRE)--DexCom, Inc. (Nasdaq: DXCM), today announced the sale of 3.5 million shares of its common stock pursuant to an underwriting agreement with Canaccord Adams acting as the sole bookrunner. The last reported sale price of our common stock as reported by the Nasdaq Global Market on January 14, 2010 was $9.22 per share.