Riot Platforms, Inc. (RIOT)
Nasdaq: RIOT · Finance Services · Castle Rock, CO · filing with the SEC since 2002
Who runs Riot Platforms, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Les Jason
CEO. First filing Nov 2017, latest Aug 4, 2026, 11 filings in all.
Officers reporting now
8
of 12 people with a filing in the last fifteen months
Directors reporting now
4
35 people on the record since 2006
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Howell Stephen Mitchell Jr. | COO | Jun 2024 | Aug 14, 2026 | none |
| Werner Ryan D. | SVP, CAO | Sep 2022 | Aug 7, 2026 | 8 · $3.5M |
| Les Jason | CEO | Nov 2017 | Aug 4, 2026 | 3 · $8.6M |
| Yee Colin M. | EVP, CFO | Sep 2022 | Jul 6, 2026 | none |
| Gibbs Jonathan | Effective as of April 12, 2026, the Reporting Person has departed from his position as the Issuer's Chief Data Center Officer. | Jun 2025 | Apr 14, 2026 | none |
| Yi Soo Il Benjamin | EXECUTIVE CHAIRMAN | Nov 2018 | Jan 5, 2026 | none |
| Jackman William Richard | CHIEF LEGAL OFFICER (CLO) | Jul 2021 | Jan 5, 2026 | none |
| Chung Jason | EVP, CORP DEV | Aug 2023 | Jan 5, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| D'Ambrosio Lance Varro | director | May 2021 | Jul 6, 2026 | none |
| Leverton Jaime | director | Feb 2025 | Jul 6, 2026 | none |
| Mouton Douglas | director | Feb 2025 | Jul 6, 2026 | none |
| Turner Michael John | director | Feb 2025 | Jul 6, 2026 | none |
Earlier names on the record25, newest filing first
Cho Hannah · director · last filing Mar 2025Marleau Hubert · director · last filing Mar 2025Harris Chad Everett · officer · last filing Feb 2023Mcgonegal Jeffrey · officer · last filing Jan 2023Theriot Lyle Joseph · officer · last filing Jul 2022Brooks Megan M. · officer · last filing Jul 2022Northern Data AG · 10% owner · last filing Sep 2021Mancini Remo · director · last filing Nov 2020Ensey Christopher · officer · last filing Mar 2019Chang Robby Sai Kit · officer · last filing Sep 2018Kaplan Andrew J · director · last filing Sep 2018Robertsen Daniel Stefan · officer · last filing Jan 2018O'Rourke John R. III · officer · last filing Dec 2017Beeghley Michael Martin · officer · last filing Nov 2017So Eric · director · last filing Oct 2017Dai Mike · director · last filing Aug 2017Lundy Stephen T. · officer · last filing Feb 2017Honig Barry C · 10% owner · last filing Jan 2017Routh Michael W · director · last filing Dec 2016Whitcomb Richard J. · officer · last filing Sep 2016Faulkner Daryl · officer · last filing May 2016Evans Susan A · director · last filing May 2016Schoettler Gail · director · last filing May 2016Welch David E · director · last filing May 2016Williams Stephen Alaric · director · last filing May 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.