$爱齐科技(ALGN)$ 8-K - Current report Filed: 2018-03-06 AccNo: 0001097149-18-000012 Size: 39 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