Riot Platforms (RIOT) insider trading
12 directors and officers declare holding shares of Riot Platforms (RIOT), each in their own filing with the SEC. The largest is Soo il Benjamin Yi (EXECUTIVE CHAIRMAN · Director) with 10.6M shares, 2.8% of the company, worth $179.6M at the last close. The most recent move on file: Stephen Mitchell Howell Jr. sold 21,198 shares on Aug 12, 2026. Of the 12 with a trade on file, 8 last bought and 4 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Soo il Benjamin Yi | EXECUTIVE CHAIRMAN · Director | 10.6M | 2.8% | $179.6M | bought 1.4M shares on Jan 1, 2026 | Jan 1, 2026 |
| Jason Les | CEO · Director | 6.2M | 1.7% | $104.8M | sold 2.9M shares at $20.17 on Jul 31, 2026 | Jul 31, 2026 |
| Jason Chung | EVP, CORP DEV | 3.1M | 0.83% | $52.8M | bought 710,337 shares on Jan 1, 2026 | Jan 1, 2026 |
| William Richard Jackman | CHIEF LEGAL OFFICER (CLO) | 2.9M | 0.76% | $48.2M | bought 591,948 shares on Jan 1, 2026 | Jan 1, 2026 |
| Stephen Mitchell Howell Jr. | COO | 1.8M | 0.49% | $31.0M | sold 21,198 shares on Aug 12, 2026 | Aug 12, 2026 |
| Ryan D. Werner | SVP, CAO | 699,493 | 0.19% | $11.8M | sold 47,733 shares at $21.98 on Aug 5, 2026 | Aug 5, 2026 |
| Colin M. Yee | Senior Advisor (See Remarks) | 428,435 | 0.11% | $7.2M | bought 124,823 shares on Jul 1, 2026 | Jul 1, 2026 |
| Jonathan Gibbs | CDCO (See Remarks) | 84,989 | 0.02% | $1.4M | sold 1.1M shares on Apr 12, 2026 | Apr 12, 2026 |
| Lance Varro D'Ambrosio | Director | 68,891 | 0.02% | $1.2M | bought 8,347 shares on Jul 1, 2026 | Jul 1, 2026 |
| Douglas Mouton | Director | 44,834 | 0.01% | $756,797.92 | bought 8,347 shares on Jul 1, 2026 | Jul 1, 2026 |
| Jaime Leverton | Director | 36,450 | <0.01% | $615,276.00 | bought 8,347 shares on Jul 1, 2026 | Jul 1, 2026 |
| Michael John Turner | Director | 36,450 | <0.01% | $615,276.00 | bought 8,347 shares on Jul 1, 2026 | Jul 1, 2026 |
Each insider at Riot Platforms
- Soo il Benjamin Yi — EXECUTIVE CHAIRMAN · Director
- Jason Les — CEO · Director
- Jason Chung — EVP, CORP DEV
- William Richard Jackman — CHIEF LEGAL OFFICER (CLO)
- Stephen Mitchell Howell Jr. — COO
- Ryan D. Werner — SVP, CAO
- Colin M. Yee — Senior Advisor (See Remarks)
- Jonathan Gibbs — CDCO (See Remarks)
- Lance Varro D'Ambrosio — Director
- Douglas Mouton — Director
- Jaime Leverton — Director
- Michael John Turner — Director
No longer filing
- Hannah Cho — Director
- Hubert Marleau — Director
What insiders bought and sold across AI stocks · All filings on sec.gov