$FTS International, Inc.(FTSI)$ 8-K - Current report Filed: 2018-04-26 AccNo: 0001104659-18-027236 Size: 42 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 9.01: Financial Statements and Exhibi 网页链接