$核心能源(EFOI)$ 8-K - Current report Filed: 2019-04-01 AccNo: 0000924168-19-000020 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 Sheet Arrangement of a RegistrantItem 3.02: Unregistered Sales of Equity SecuritiesItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal YearItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接