$普拉格能源(PLUG)$ 8-K - Current report Filed: 2019-05-15 AccNo: 0001104659-19-029757 Size: 171 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 5.07: Submission of Matters to a Vote of Security HoldersItem 9.01: Financial Statements and Exhibits 网页链接