$卡特彼勒(CAT)$ 8-K - Current report Filed: 2017-04-12 AccNo: 0000018230-17-000127 Size: 56 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