$Extra Space Storage Inc(EXR)$ 8-K - Current report Filed: 2018-05-31 AccNo: 0001628280-18-007425 Size: 2 MBItem 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 9.01: Financial S 网页链接