11.20.09 Ironwood Pharmaceuticals Files Registration Statement for Initial Public Offering 11.10.09 Ironwood and Astellas Announce Japan Licensing Agreement for Linaclotide 11.02.09 Ironwood and Forest Announce Positive Linaclotide Results from Two Pivotal Phase 3 Trials in Patients with Chronic Constipation - Top-line Results Show Each Trial Met Primary and All Secondary Endpoints