$Vanguard Natural Resources(VNR)$ 8-K - Current report Filed: 2018-01-18 AccNo: 0001144204-18-002553 Size: 411 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: Financi 网页链接