U.S. Securities & Exchange Commission
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U.S. Securities and Exchange Commission


Chang Robby Sai Kit (0001732700)
Mailing Address
1807-18 HARBOUR STREET
TORONTO A6 M5J 2Z6
Ownership Reports for Issuers: (Click on issuer name to see other owners for the issuer, or CIK for issuer filings.)

Issuer Filings Transaction Date Type of Owner
Akerna Corp.
Current Name:Gryphon Digital Mining, Inc.
0001755953 2024-02-09 director, officer: Chief Executive Officer
UR-ENERGY INC 0001375205 2019-11-05 director
Riot Blockchain, Inc.
Current Name:Riot Platforms, Inc.
0001167419 2018-02-27 officer: Chief Financial Officer


Items 1 - 57

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition Transaction Date Deemed Execution Date Issuer Form Transaction Type Direct or Indirect Ownership Number of Securities Transacted Number of Securities Owned Line Number Issuer CIK Security Name
D 2025-01-17   UR-ENERGY INC 4 M-Exempt --D 22826.0000 39309.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2025-01-17   UR-ENERGY INC 4 M-Exempt --D 10607.0000 84179.0000 1 0001375205 Common Shares
A 2024-12-12   UR-ENERGY INC 4 A-Award --D 22902.0000 62135.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2024-12-12   UR-ENERGY INC 4 A-Award --D 91602.0000 550304.0000 1 0001375205 Common share options (right to buy)
A 2024-10-31   Gryphon Digital Mining, Inc. 4 A-Award --D 264080.0000 264080.0000 1 0001755953 Common Stock
D 2024-06-24   UR-ENERGY INC 4 M-Exempt --D 73474.0000 458702.0000 3 0001375205 Common share options (right to buy)
D 2024-06-24   UR-ENERGY INC 4 S-Sale --D 73474.0000 73572.0000 2 0001375205 Common Shares
A 2024-06-24   UR-ENERGY INC 4 M-Exempt --D 73474.0000 147046.0000 1 0001375205 Common Shares
D 2024-06-21   UR-ENERGY INC 4 M-Exempt --D 60000.0000 532176.0000 3 0001375205 Common share options (right to buy)
D 2024-06-21   UR-ENERGY INC 4 S-Sale --D 60000.0000 73572.0000 2 0001375205 Common Shares
A 2024-06-21   UR-ENERGY INC 4 M-Exempt --D 60000.0000 133572.0000 1 0001375205 Common Shares
D 2024-06-20   UR-ENERGY INC 4 S-Sale --D 60100.0000 73572.0000 2 0001375205 Common Shares
A 2024-06-20   UR-ENERGY INC 4 M-Exempt --D 60100.0000 133672.0000 1 0001375205 Common Shares
D 2024-06-20   UR-ENERGY INC 4 M-Exempt --D 60100.0000 592176.0000 3 0001375205 Common share options (right to buy)
A 2023-12-07   UR-ENERGY INC 4 A-Award --D 16407.0000 39233.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2023-12-07   UR-ENERGY INC 4 A-Award --D 65625.0000 652276.0000 1 0001375205 Common share options (right to buy)
D 2023-11-17   UR-ENERGY INC 4 M-Exempt --D 50527.0000 586651.0000 3 0001375205 Common share options (right to buy)
D 2023-11-17   UR-ENERGY INC 4 S-Sale --D 50527.0000 73572.0000 2 0001375205 Common Shares
A 2023-11-17   UR-ENERGY INC 4 M-Exempt --D 50527.0000 124099.0000 1 0001375205 Common Shares
D 2023-08-28   UR-ENERGY INC 4 M-Exempt --D 21964.0000 22826.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2023-08-28   UR-ENERGY INC 4 M-Exempt --D 10206.0000 73572.0000 1 0001375205 Common Shares
D 2023-08-10   UR-ENERGY INC 4 M-Exempt --D 55653.0000 637178.0000 3 0001375205 Common share options (right to buy)
D 2023-08-10   UR-ENERGY INC 4 S-Sale --D 55653.0000 63366.0000 2 0001375205 Common Shares
A 2023-08-10   UR-ENERGY INC 4 M-Exempt --D 55653.0000 119019.0000 1 0001375205 Common Shares
A 2023-01-30   UR-ENERGY INC 4 M-Exempt --D 24500.0000 87866.0000 1 0001375205 Common Shares
D 2023-01-30   UR-ENERGY INC 4 M-Exempt --D 24500.0000 692831.0000 3 0001375205 Common share options (right to buy)
D 2023-01-30   UR-ENERGY INC 4 S-Sale --D 24500.0000 63366.0000 2 0001375205 Common Shares
D 2023-01-27   UR-ENERGY INC 4 M-Exempt --D 175500.0000 717331.0000 3 0001375205 Common share options (right to buy)
D 2023-01-27   UR-ENERGY INC 4 S-Sale --D 175500.0000 63366.0000 2 0001375205 Common Shares
A 2023-01-27   UR-ENERGY INC 4 M-Exempt --D 175500.0000 238866.0000 1 0001375205 Common Shares
A 2023-01-04   UR-ENERGY INC 4 A-Award --D 22826.0000 44790.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2023-01-04   UR-ENERGY INC 4 A-Award --D 91305.0000 892831.0000 1 0001375205 Common share options (right to buy)
D 2022-11-14   UR-ENERGY INC 4 M-Exempt --D 53479.0000 21964.0000 2 0001375205 Restricted share units (exchange for common shares)
A 2022-11-14   UR-ENERGY INC 4 M-Exempt --D 24851.0000 63366.0000 1 0001375205 Common Shares
D 2021-11-05   UR-ENERGY INC 4 M-Exempt --D 48394.0000 75443.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2021-11-05   UR-ENERGY INC 4 M-Exempt --D 22488.0000 38515.0000 1 0001375205 Common Shares
A 2021-08-27   UR-ENERGY INC 4 A-Award --D 21964.0000 123837.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2021-08-27   UR-ENERGY INC 4 A-Award --D 87858.0000 801526.0000 1 0001375205 Common share options (right to buy)
A 2020-12-14   UR-ENERGY INC 4 M-Exempt --D 5870.0000 16027.0000 1 0001375205 Common Shares
D 2020-12-14   UR-ENERGY INC 4 M-Exempt --D 12632.0000 101873.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2020-11-13   UR-ENERGY INC 4 A-Award --D 53479.0000 114505.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2020-11-13   UR-ENERGY INC 4 A-Award --D 213914.0000 716668.0000 1 0001375205 Common share options (right to buy)
D 2020-08-21   UR-ENERGY INC 4 M-Exempt --D 13914.0000 61026.0000 2 0001375205 Restricted Share Units (exchange for common stock)
A 2020-08-21   UR-ENERGY INC 4 M-Exempt --D 10157.0000 10157.0000 1 0001375205 Common Shares
A 2019-11-05   UR-ENERGY INC 4 A-Award --D 48394.0000 74940.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2019-11-05   UR-ENERGY INC 4 A-Award --D 193574.0000 499754.0000 1 0001375205 Common share options (right to buy)
A 2018-12-14   UR-ENERGY INC 4 A-Award --D 12632.0000 26546.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2018-12-14   UR-ENERGY INC 4 A-Award --D 50527.0000 306180.0000 1 0001375205 Common share options (right to buy)
A 2018-09-20   Riot Blockchain, Inc. 4 M-Exempt --D 12000.0000 12000.0000 2 0001167419 Restricted Stock Unit
A 2018-09-20   Riot Blockchain, Inc. 4 M-Exempt --D 12000.0000 72000.0000 1 0001167419 Common Stock
A 2018-08-20   UR-ENERGY INC 4 A-Award --D 55653.0000 255653.0000 1 0001375205 Common share options (right to buy)
A 2018-08-20   UR-ENERGY INC 4 A-Award --D 13914.0000 13914.0000 2 0001375205 Restricted share units (exchange for common stock)
A 2018-03-30   UR-ENERGY INC 4 A-Award --D 200000.0000 200000.0000 1 0001375205 Common share options (right to buy)
- -   UR-ENERGY INC 3 - --- 1 - -
- -   Gryphon Digital Mining, Inc. 4 - --I 3309648.0000 2 0001755953 Common Stock
- -   Gryphon Digital Mining, Inc. 3 - --I 3309648.0000 1 0001755953 Common Stock
- -   Riot Blockchain, Inc. 3 - --D 60000.0000 1 0001167419 Common Stock

http://www.sec.gov/cgi-bin/own-disp


Modified: 04/22/2016