$Arconic(ARNC)$ 8-K - Current report Filed: 2019-08-02 AccNo: 0001144204-19-037483 Size: 103 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 Exhibits 网页链接