X0508 4 2025-12-23 1 0000783324 VISTA GOLD CORP VGZ 0001280493 SUN VALLEY GOLD LLC 620 SUN VALLEY ROAD 2ND FLOOR, PO BOX 2211 KETCHUM ID 83340 0 0 0 1 Former 10% Beneficial Owner 0001508389 Palmedo Peter F. C/O SUN VALLEY GOLD LLC 620 SUN VALLEY ROAD, 2ND FL, PO BOX 2211 KETCHUM ID 83340 0 0 0 1 Former 10% Beneficial Owner 0 Common Shares 2025-12-23 4 S 0 400000 2.20 D 12447985 I Footnote The Common Shares are held in the accounts of advisory clients of Sun Valley Gold LLC and may be deemed to be beneficially owned by Sun Valley Gold LLC. Sun Valley Gold LLC disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and affirmatively disclaim being a "group" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended. Sun Valley Gold LLC, By: Peter F. Palmedo, Managing Member, /s/ Peter F. Palmedo 2025-12-29 Peter F. Palmedo, /s/ Peter F. Palmedo 2025-12-29