CAMBRIDGE, Mass.--(BUSINESS WIRE)--Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) today filed its Annual Report on Form 10-K for the year ended December 31, 2009 with the U.S. Securities and Exchange Commission. The report is available on the Investors section of Ironwood’s website at www.ironwoodpharma.com. In addition, any Ironwood stockholder can request a printed copy of the annual report free of charge by contacting Investor Relations at +1.617.621.8304 or ir@ironwoodpharma.com.
