$Hallador能源(HNRG)$ 8-K - Current report Filed: 2018-08-07 AccNo: 0000788965-18-000027 Size: 122 KBItem 2.02: Results of Operations and Financial ConditionItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of C 网页链接