$VISTA GOLD CORP(VGZ)$ 8-K - Current report Filed: 2016-04-29 AccNo: 0000783324-16-000071 Size: 78 KBItem 5.07: Submission of Matters to a Vote of Security HoldersItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接