Form4insider filings, from the source

Insider · CIK 0001732700

Robby Sai Kit Chang

Files at: URG, RIOT. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $107k · 1net −$107k
$10k$10k$100k$100k$1M$1MbuyssalesAug 23Aug 23Aug 23Aug 24Aug 24Aug 24Aug 25

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 SForm 4 →Aug 25, 5:08 pm EDTUR-ENERGY INCURG75,588$1.41$106,50396,449−43.9%
Aug 24, 2026 MForm 4 →Aug 25, 5:08 pm EDTUR-ENERGY INCURG87,858$1.04$91,399172,037—
Sep 20, 2018 MForm 4 →Sep 24, 8:40 pm EDTRiot Blockchain, Inc.RIOT12,000——72,000— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 MForm 4 →Aug 25, 5:08 pm EDTUR-ENERGY INCURG87,858——340,134—
Dec 14, 2018 AForm 4 →Dec 18, 7:09 pm ESTUR-ENERGY INCURG63,159——26,546—
Sep 20, 2018 MForm 4 →Sep 24, 8:40 pm EDTRiot Blockchain, Inc.RIOT12,000——12,000—
Aug 20, 2018 AForm 4 →Aug 21, 8:17 pm EDTUR-ENERGY INCURG69,567——13,914—
Mar 30, 2018 AForm 4 →Apr 3, 7:39 pm EDTUR-ENERGY INCURG200,000——200,000—