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Chang Robby Sai Kit

Insider transactions at 3 companies

This page shows all SEC Form 4 filings attributed to Chang Robby Sai Kit. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

RIOT ABTC URG
Company Title Type Shares Price Value Date
URG Disposition 16,407 $1.45 $23,790 Dec 24, 2025
URG Option Exercise 213,914 $0.45 $96,261 Sep 25, 2025
URG Option Exercise 10,607 $1.12 $11,880 Jan 17, 2025
ABTC Award / Grant 264,080 Oct 31, 2024
URG Option Exercise 73,474 $0.58 $42,615 Jun 24, 2024
URG Sale 60,000 $1.43 $85,800 Jun 21, 2024
URG Sale 60,100 $1.47 $88,347 Jun 20, 2024
URG Sale 50,527 $1.66 $83,875 Nov 17, 2023
URG Option Exercise 10,206 $1.27 $12,962 Aug 28, 2023
URG Sale 55,653 $1.14 $63,444 Aug 10, 2023
URG Sale 24,500 $1.28 $31,360 Jan 30, 2023
URG Option Exercise 175,500 $0.58 $101,790 Jan 27, 2023
URG Option Exercise 24,851 $1.38 $34,294 Nov 14, 2022
URG Option Exercise 22,488 $1.90 $42,727 Nov 5, 2021
URG Option Exercise 5,870 $0.63 $3,698 Dec 14, 2020
URG Option Exercise 10,157 $0.55 $5,586 Aug 21, 2020
RIOT Chief Financial Officer Option Exercise 12,000 Sep 20, 2018