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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| URG | Chang Robby Sai Kit | Director | Dec 24 '25 | Option Exercise | 1.45 | 16,407 | 23,869 | 100,586 | Dec 29 |
| URG | Chang Robby Sai Kit | Director | Sep 25 '25 | Option Exercise | 0.45 | 213,914 | 96,753 | 298,093 | Sep 26 |
| URG | Chang Robby Sai Kit | Director | Sep 25 '25 | Sale | 1.75 | 213,914 | 374,563 | 84,179 | Sep 26 |
| URG | Chang Robby Sai Kit | Director | Jan 17 '25 | Option Exercise | 0.35 | 33,433 | 11,831 | 84,179 | Jan 21 |
| URG | Chang Robby Sai Kit | Director | Jun 24 '24 | Option Exercise | 0.58 | 73,474 | 42,483 | 147,046 | Jun 25 |
| URG | Chang Robby Sai Kit | Director | Jun 24 '24 | Sale | 1.38 | 73,474 | 101,739 | 73,572 | Jun 25 |
| URG | Chang Robby Sai Kit | Director | Jun 21 '24 | Option Exercise | 0.58 | 60,000 | 34,590 | 133,572 | Jun 24 |
| URG | Chang Robby Sai Kit | Director | Jun 21 '24 | Sale | 1.43 | 60,000 | 85,842 | 73,572 | Jun 24 |
| URG | Chang Robby Sai Kit | Director | Jun 20 '24 | Option Exercise | 0.58 | 60,100 | 34,660 | 133,672 | Jun 21 |
| URG | Chang Robby Sai Kit | Director | Jun 20 '24 | Sale | 1.47 | 60,100 | 88,623 | 73,572 | Jun 21 |
| URG | Chang Robby Sai Kit | Director | Nov 17 '23 | Option Exercise | 0.66 | 50,527 | 33,510 | 124,099 | Nov 20 |
| URG | Chang Robby Sai Kit | Director | Nov 17 '23 | Sale | 1.66 | 50,527 | 84,026 | 73,572 | Nov 20 |
| URG | Chang Robby Sai Kit | Director | Aug 28 '23 | Option Exercise | 0.40 | 32,170 | 12,986 | 73,572 | Aug 30 |
| URG | Chang Robby Sai Kit | Director | Aug 10 '23 | Option Exercise | 0.69 | 55,653 | 38,601 | 119,019 | Aug 14 |
| URG | Chang Robby Sai Kit | Director | Aug 10 '23 | Sale | 1.14 | 55,653 | 63,506 | 63,366 | Aug 14 |
| URG | Chang Robby Sai Kit | Director | Jan 30 '23 | Option Exercise | 0.58 | 24,500 | 14,124 | 87,866 | Feb 01 |
| URG | Chang Robby Sai Kit | Director | Jan 30 '23 | Sale | 1.28 | 24,500 | 31,367 | 63,366 | Feb 01 |
| URG | Chang Robby Sai Kit | Director | Jan 27 '23 | Option Exercise | 0.58 | 175,500 | 101,492 | 238,866 | Jan 30 |
| URG | Chang Robby Sai Kit | Director | Jan 27 '23 | Sale | 1.28 | 175,500 | 224,535 | 63,366 | Jan 30 |
| URG | Chang Robby Sai Kit | Director | Nov 14 '22 | Option Exercise | 0.44 | 78,330 | 34,227 | 63,366 | Nov 16 |
| URG | Chang Robby Sai Kit | Director | Nov 05 '21 | Option Exercise | 0.60 | 70,882 | 42,622 | 75,443 | Nov 09 |
| URG | Chang Robby Sai Kit | Director | Dec 14 '20 | Option Exercise | 0.20 | 18,502 | 3,681 | 101,873 | Dec 16 |
| RIOT | Chang Robby Sai Kit | Chief Financial Officer | Sep 20 '18 | Option Exercise | 0.00 | 24,000 | 0 | 72,000 | Sep 24 |