$Ironwood医药(IRWD)$ 8-K - Current report Filed: 2015-06-25 AccNo: 0001104659-15-047665 Size: 22 KBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 3.02: Unregister 网页链接