Stephen Mitchell Howell Jr. is COO of Riot Blockchain, Inc.. Currently has a direct ownership of 1.44 Million shares of RIOT, which is worth approximately $20.1 Million. The most recent transaction as insider was on Jan 01, 2026, when has been sold 29,482 shares (Common Stock) at a price of $12.67 per share, resulting in proceeds of $373,536. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.44M
79.22% 3M change
222.42% 12M change
Total Value Held $20.1 Million

Stephen Mitchell Howell Jr. Transaction History

Date Transaction Value Shares Traded Shares Held Form
Jan 01 2026
SELL
Payment of exercise price or tax liability
$373,536 $12.67 p/Share
29,482 Reduced 2.01%
1,438,786 Common Stock
Jan 01 2026
BUY
Grant, award, or other acquisition
-
591,948 Added 22.57%
2,030,734 Common Stock
Jul 01 2025
SELL
Payment of exercise price or tax liability
$229,288 $11.27 p/Share
20,345 Reduced 2.47%
802,785 Common Stock
Jul 01 2025
BUY
Grant, award, or other acquisition
-
665,483 Added 31.19%
1,468,268 Common Stock
Jul 01 2024
SELL
Payment of exercise price or tax liability
$31,720 $9.95 p/Share
3,188 Reduced 0.71%
446,246 Common Stock
Jul 01 2024
BUY
Grant, award, or other acquisition
-
376,884 Added 31.41%
823,130 Common Stock
SMH

Stephen Mitchell Howell Jr.

COO
Castle Rock, CO

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