$NCS Multistage Holdings, Inc.(NCSM)$ 8-K - Current report Filed: 2017-08-09 AccNo: 0001692427-17-000021 Size: 1 MBItem 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 Exhibit 网页链接