$Oil States International, Inc.(OIS)$ 8-K - Current report Filed: 2018-06-04 AccNo: 0001121484-18-000061 Size: 37 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