$斯通能源(SGY)$ 8-K12B - Notification that a class of securities of successor issuer is deemed to be registered pursuant to section 12(b) Filed: 2018-05-14 AccNo: 0001193125-18-162766 Size: 386 KBItem 1.01: Entry into a Material Definitive AgreementItem 1.02: Termination of a Material Definitive AgreementItem 2.01: Completion of Acquisition or Disposition of AssetsItem 3.03: Material Modifi 网页链接