$Unum Group(UNM)$ 8-K - Current report Filed: 2018-02-27 AccNo: 0000005513-18-000022 Size: 100 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 Exhib 网页链接