Robby Sai Kit Chang

Sits on 2 boards. Last updated September 27, 2026

Time on boards

Boards served
2
Current seats
2
Board service
6 years
Director since
2023

6 years of board service in total across 2 boards, counting each seat separately. Longest: Ur Energy Inc, 3 years.

Ur Energy Inc Director
3 years ยท Since 2023
American Bitcoin Corp. Director ยท Chief Executive Officer
2 years ยท Since 2024

Chief executive roles

American Bitcoin Corp. ยท Chief Executive Officer
Since February 2024

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Aug 24, 2026 Ur Energy Inc Option exercise +87,858 $1.04 $91,399
Aug 24, 2026 Ur Energy Inc Open-market sale โˆ’75,588 $1.41 $106,503
Dec 24, 2025 Ur Energy Inc Option exercise +16,407 $1.45 $23,790
Dec 24, 2025 Ur Energy Inc Sold back to the company โˆ’16,407 $1.45 $23,790
Sep 25, 2025 Ur Energy Inc Option exercise +213,914 $0.45 $96,261
Sep 25, 2025 Ur Energy Inc Open-market sale โˆ’213,914 $1.75 $374,350
Jan 17, 2025 Ur Energy Inc Option exercise +10,607 $1.12 $11,880
Oct 31, 2024 American Bitcoin Corp. Grant or award +264,080 โ€” โ€”
Jun 24, 2024 Ur Energy Inc Option exercise +73,474 $0.58 $42,615
Jun 24, 2024 Ur Energy Inc Open-market sale โˆ’73,474 $1.38 $101,394
Jun 21, 2024 Ur Energy Inc Option exercise +60,000 $0.58 $34,800
Jun 21, 2024 Ur Energy Inc Open-market sale โˆ’60,000 $1.43 $85,800
Jun 20, 2024 Ur Energy Inc Option exercise +60,100 $0.58 $34,858
Jun 20, 2024 Ur Energy Inc Open-market sale โˆ’60,100 $1.47 $88,347
Nov 17, 2023 Ur Energy Inc Option exercise +50,527 $0.66 $33,348

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