$NCS Multistage Holdings, Inc.(NCSM)$ 8-K - Current report Filed: 2017-08-30 AccNo: 0001692427-17-000032 Size: 1 MBItem 1.01: Entry into a Material Definitive AgreementItem 3.02: Unregistered Sales of Equity SecuritiesItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接