$美国铝业(AA)$ 8-K - Current report Filed: 2017-05-08 AccNo: 0001193125-17-162763 Size: 39 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 8.01: Other EventsItem 9.01: Financia 网页链接