Who
Robby Sai Kit Chang
Director
Company insider
Files Form 4 as: Director, Ur Energy; Director, American Bitcoin; Chief Financial Officer, Riot Platforms.
In numbers
- Trades disclosed
- 67
- Buys
- 0
- Sells
- 9
- Bought
- $0
- Sold
- $1.3M
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 30 Mar 2018
- Last trade
- 24 Aug 2026
- Last filed
- 25 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 24 Aug 2026filed 25 Aug 2026 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code M | $91K87,858 at $1.04 | filing |
| 24 Aug 2026filed 25 Aug 2026 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Sold | $107K75,588 at $1.41 | filing |
| 24 Aug 2026filed 25 Aug 2026 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —87,858 at $0.00 | filing |
| 24 Aug 2026filed 25 Aug 2026 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —87,858 at $0.00 | filing |
| 24 Aug 2026filed 25 Aug 2026 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code M | $91K87,858 at $1.04 | filing |
| 24 Aug 2026filed 25 Aug 2026 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Sold | $107K75,588 at $1.41 | filing |
| 24 Dec 2025filed 29 Dec 2025 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —16,407 at $0.00 | filing |
| 24 Dec 2025filed 29 Dec 2025 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code M | $24K16,407 at $1.45 | filing |
| 24 Dec 2025filed 29 Dec 2025 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code D | $24K16,407 at $1.45 | filing |
| 22 Dec 2025filed 29 Dec 2025 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code A | —91,602 at $0.00 | filing |
| 22 Dec 2025filed 29 Dec 2025 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code A | —22,902 at $0.00 | filing |
| 25 Sep 2025filed 26 Sep 2025 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —213,914 at $0.00 | filing |
| 25 Sep 2025filed 26 Sep 2025 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code M | $96K213,914 at $0.45 | filing |
| 25 Sep 2025filed 26 Sep 2025 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Sold | $374K213,914 at $1.75 | filing |
| 17 Jan 2025filed 21 Jan 2025 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —22,826 at $0.00 | filing |
| 17 Jan 2025filed 21 Jan 2025 | URG Ur EnergyGold & Silver Miners | SEC FORM 4 Code M | $12K10,607 at $1.12 | filing |
| 12 Dec 2024filed 16 Dec 2024 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code A | —91,602 at $0.00 | filing |
| 12 Dec 2024filed 16 Dec 2024 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code A | —22,902 at $0.00 | filing |
| 31 Oct 2024filed 4 Nov 2024 | ABTC American BitcoinDigital Asset Treasuries | SEC FORM 4 Code A | —264,080 at $0.00 | filing |
| 24 Jun 2024filed 25 Jun 2024 | URG Ur Energyoption or derivative · Gold & Silver Miners | SEC FORM 4 Code M | —73,474 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.