InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
0
T+90 hit rate
43%
T+90 mean return
-3.6%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Chang Robby Sai Kit. Officer active across 2 companies, notably Ur-Energy INC. Cumulatively, 14 disclosures have been recorded. History available since 5 November 2021. The latest transaction was disclosed on 24 December 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is openly available.
Declarations14 total
16,407 shares@ US$1.45484.3% of flowCommon SharesSEC:0001654954-25-014387:0
213,914 shares@ US$0.452318.3% of flowCommon SharesSEC:0001654954-25-011163:0
10,607 shares@ US$1.11542.8% of flowCommon SharesSEC:0001654954-25-000617:0
264,080 shares0Common StockSEC:0001213900-24-094273:0
73,474 shares@ US$0.57829.7% of flowCommon SharesSEC:0001654954-24-008186:0
60,000 shares@ US$0.57657.9% of flowCommon SharesSEC:0001654954-24-008107:0
60,100 shares@ US$0.57678.0% of flowCommon SharesSEC:0001654954-24-008042:0
50,527 shares@ US$0.66327.6% of flowCommon SharesSEC:0001654954-23-014623:0
10,206 shares@ US$1.27242.9% of flowCommon SharesSEC:0001654954-23-011387:0
55,653 shares@ US$0.69368.6% of flowCommon SharesSEC:0001654954-23-010792:0
24,500 shares@ US$0.57653.2% of flowCommon SharesSEC:0001654954-23-001178:0
175,500 shares@ US$0.578322.9% of flowCommon SharesSEC:0001654954-23-001020:0
24,851 shares@ US$1.37738.1% of flowCommon SharesSEC:0001654954-22-015457:0
22,488 shares@ US$1.89530.0056% mcap50.0% of flowCommon SharesSEC:0001654954-21-011862:0
14 of 14 declarations
About Chang Robby Sai Kit
Chang Robby Sai Kit is a declarant linked to Ur-Energy INC, where he is a Director, and to Gryphon Digital Mining, Inc., where he is also a Director. He has 13 filings in total, and across the 13 sampled filings from 2021-11-09 to 2025-01-21, the most frequent transaction nature is Levée d'options, with sum_buy_eur at 0 and sum_sell_eur at 0.
