Insider · CIK 0001732700
Robby Sai Kit Chang
Files at: URG, RIOT. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 24, 2026 SForm 4 → | Aug 25, 5:08 pm EDT | UR-ENERGY INCURG | 75,588 | $1.41 | $106,503 | 96,449 | −43.9% | |
| Aug 24, 2026 MForm 4 → | Aug 25, 5:08 pm EDT | UR-ENERGY INCURG | 87,858 | $1.04 | $91,399 | 172,037 | — | |
| Sep 20, 2018 MForm 4 → | Sep 24, 8:40 pm EDT | Riot Blockchain, Inc.RIOT | 12,000 | — | — | 72,000 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 24, 2026 MForm 4 → | Aug 25, 5:08 pm EDT | UR-ENERGY INCURG | 87,858 | — | — | 340,134 | — | |
| Dec 14, 2018 AForm 4 → | Dec 18, 7:09 pm EST | UR-ENERGY INCURG | 63,159 | — | — | 26,546 | — | |
| Sep 20, 2018 MForm 4 → | Sep 24, 8:40 pm EDT | Riot Blockchain, Inc.RIOT | 12,000 | — | — | 12,000 | — | |
| Aug 20, 2018 AForm 4 → | Aug 21, 8:17 pm EDT | UR-ENERGY INCURG | 69,567 | — | — | 13,914 | — | |
| Mar 30, 2018 AForm 4 → | Apr 3, 7:39 pm EDT | UR-ENERGY INCURG | 200,000 | — | — | 200,000 | — |