X0508 4 2026-03-13 0000783324 VISTA GOLD CORP VGZ 0001780888 Tobler Douglas L. C/O VISTA GOLD CORP. 8310 S. VALLEY HIGHWAY, SUITE 300 ENGLEWOOD CO 80112 false true false false CFO false Common Shares 2026-03-13 4 M false 20000 0 A 453333 D Common Shares 2026-03-13 4 M false 247000 0 A 700333 D Common Shares 2026-03-13 4 M false 16667 0 A 717000 D Common Shares 2026-03-13 4 F false 127304 2.06 D 589696 D Restricted Stock Units 2026-03-13 4 M false 20000 0 D Common Shares 20000 0 D Restricted Stock Units 2026-03-13 4 M false 247000 0 D Common Shares 247000 31000 D Restricted Stock Units 2026-03-13 4 M false 16667 0 D Common Shares 16667 150333 D Restricted Stock Units 2026-03-13 4 A false 163000 0 A Common Shares 163000 163000 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs reported in Table II. Represents grant of 200,000 RSUs on March 5, 2023, which vest as follows: 60,000 over a 36-month period (1/3 at 12 months, 1/3 at 24 months and 1/3 at 36 months), subject to the reporting person's continuing service as an officer of the Issuer; and 140,000 two years following the grant date, contingent on share price performance criteria for the Issuer's common shares during the 2-year vesting period. Settlement of vested RSUs to occur as soon as administratively feasible following the vesting date. Represents grant of 309,000 RSUs on February 26, 2024, which vest as follows: 93,000 over a 36-month period (1/3 at 12 months, 1/3 at 24 months and 1/3 at 36 months), subject to the reporting person's continuing service as an officer of the Issuer; and 216,000 two years following the grant date, contingent on share price performance criteria for the Issuer's common shares during the 2-year vesting period. Settlement of vested RSUs to occur as soon as administratively feasible following the vesting date. Represents grant of 167,000 RSUs on March 4, 2025, which vest as follows: 50,000 over a 36-month period (1/3 at 12 months, 1/3 at 24 months, and 1/3 at 36 months), subject to the reporting person's continuing service as an officer of the Issuer; and 117,000 two years following the grant date, contingent on share price performance criteria for the Issuer's common shares during the 2-year vesting period. Settlement of vested RSUs will occur as soon as administratively feasible following the vesting date. The RSUs vest as follows: 43,000 on 3/13/2027, subject to performance criteria; 60,000 on 3/13/2029, contingent on share price performance criteria for the Issuer's common shares during the 3-year vesting period; and 60,000 on 3/13/2029, subject to performance criteria. Settlement of vested RSUs will occur as soon as administratively feasible following the vesting date. /s/ Glenn Cowan as attorney-in-fact for Douglas L. Tobler 2026-03-17