Updated Jul 16, 2026
Howell Stephen Mitchell Jr. has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Stephen Mitchell Howell Jr. is the Chief Operating Officer (COO) of Riot Platforms, Inc., a company focused on Bitcoin mining and blockchain technologies. He has been involved in the company's operations as it continues to grow in the cryptocurrency sector.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-06 | RIOT | Riot Platforms, Inc. | F — Tax withholding / forfeiture | 22.0K | $23.96 | $526K |
| 2025-07-01 | RIOT | Riot Platforms, Inc. | F — Tax withholding / forfeiture | 20.3K | $11.27 | $229K |
Stephen Mitchell Howell Jr. is the Chief Operating Officer (COO) of Riot Platforms, Inc., a company focused on Bitcoin mining and blockchain technologies. He has been involved in the company's operations as it continues to grow in the cryptocurrency sector.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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