$普拉格能源(PLUG)$ 8-K - Current report Filed: 2017-06-30 AccNo: 0001104659-17-042805 Size: 168 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 5.03: Amendments to Articles of Inco 网页链接