$Frontier电信(FTR)$ 8-K - Current report Filed: 2017-07-10 AccNo: 0001193125-17-224772 Size: 72 KBItem 3.03: Material Modifications to Rights of Security HoldersItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal YearItem 8.01: Other EventsItem 9.01: Financial Statemen 网页链接