https://investor.ironwoodpharma.com/press-releases/press-release-details/2013/Ironwood-Pharmaceuticals-Announces-Partial-Exercise-of-Underwriters-Option-in-Public-Offering-of-Common-Stock/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2013/Ironwood-Pharmaceuticals-Announces-Partial-Exercise-of-Underwriters-Option-in-Public-Offering-of-Common-Stock/default.aspx