Ironwood Pharmaceuticals Inc was incorporated in Delaware on January 5, 1998. On April 7, 2008, the Company changed its name from Microbia, Inc. to Ironwood Pharmaceuticals, Inc. The Company is an entrepreneurial pharmaceutical company that discovers, develops and intends to commercialize differentiated medicines that improve patients' lives. The Company operates in one reportable segment; human therapeutics Human therapeutics segment consists of the development and commercialization of its product candidates, including linaclotide. It is advancing two therapeutic platforms, which include product opportunities in the areas of large unmet need, including irritable bowel syndrome with constipation, or IBS-C, and chronic idiopathic constipation, or CIC, vascular and fibrotic diseases, and refractory gastroesophageal reflux disease, or GERD. The Company is subject to federal, state, city and local laws and regulations governing the use, manufacture, storage, handling and disposal of these hazardous materials.