$Hallador能源(HNRG)$ 8-K - Current report Filed: 2016-03-18 AccNo: 0000788965-16-000033 Size: 53 KBItem 1.01: Entry into a Material Definitive AgreementItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certa 网页链接