$AtriCure(ATRC)$ 8-K - Current report Filed: 2016-04-28 AccNo: 0001323885-16-000037 Size: 1 MBItem 1.01: Entry into a Material Definitive AgreementItem 2.02: Results of Operations and Financial ConditionItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance 网页链接