$Rex Energy Corporation(REXX)$ 8-K - Current report Filed: 2018-05-18 AccNo: 0001193125-18-167436 Size: 3 MBItem 1.01: Entry into a Material Definitive AgreementItem 1.03: Bankruptcy or ReceivershipItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement 网页链接