$洛克希德-马丁(LMT)$ 8-K - Current report Filed: 2017-12-11 AccNo: 0000936468-17-000019 Size: 389 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 5.03: Amendments to Articles of Inco 网页链接