SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DECEMBER 16, 2002 Date of report (Date of earliest event reported) VISTA GOLD CORP. (Exact Name of Registrant as Specified in Its Charter) YUKON TERRITORY, CANADA (State or Other Jurisdiction of Incorporation) 1-9025 NOT APPLICABLE. (Commission File Number) (IRS Employer Identification No.) 7961 SHAFFER PARKWAY, SUITE 5 80127 LITTLETON, CO (Address of Principal Executive Offices) (Zip Code) (720) 981-1185 (Registrant's Telephone Number, Including Area Code) NOT APPLICABLE. (Former Name or Former Address, if Changed Since Last Report) VISTA GOLD CORP. ITEM 1. CHANGES IN CONTROL OF REGISTRANT. Not applicable. ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS. Not applicable. ITEM 3. BANKRUPTCY OR RECEIVERSHIP. Not applicable. ITEM 4. CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT. Not applicable. ITEM 5. OTHER EVENTS. PRESS RELEASE DATED DECEMBER 16, 2002 ITEM 6. RESIGNATIONS OF REGISTRANT'S DIRECTORS. Not applicable. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (a) Financial statements of businesses acquired: Not applicable. (b) PRO FORMA financial information: Not applicable. (c) Exhibits VISTA GOLD CORP EXTENDS MINERALIZATION AT MAVERICK SPRINGS IN NEVADA ITEM 8. CHANGE IN FISCAL YEAR. Not applicable. ITEM 9. SALES OF EQUITY SECURITIES PURSUANT TO REGULATION S. Not applicable. -2- SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. VISTA GOLD CORP. (Registrant) Date: December 16, 2002 By: /s/ John F. Engele ---------------------- John F. Engele Vice President Finance -3- EXHIBIT INDEX EXHIBIT NO. 99.1 PAGE NO. Press release dated December 16, 2002 Vista Gold Corp. 5 Extends Mineralization at Maverick Springs Project in Nevada. -4-