Riot Platforms's three largest insider shareholders as of September 12, 2026 are Soo Il Benjamin Yi (Executive Chairman, 9.64Mn shares), Soo Il Benjamin Yi (Executive Chairman, 9.64Mn shares), Jason Les (Ceo, 4.94Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Soo Il Benjamin Yi | Executive Chairman | 9,638,339 | 0 | 9,638,339 | 38.6% | 05 Jan, 2026 |
| 2 | Jason Les | Ceo | 4,944,637 | 0 | 4,944,637 | 19.8% | 04 Aug, 2026 |
| 3 | Jason Chung | Evp, Corp Dev | 3,129,142 | 0 | 3,129,142 | 12.5% | 05 Jan, 2026 |
| 4 | William Richard Jackman | Chief Legal Officer (Clo) | 2,853,105 | 0 | 2,853,105 | 11.4% | 05 Jan, 2026 |
| 5 | Stephen Mitchell Jr. Howell | Coo | 1,834,408 | 0 | 1,834,408 | 7.3% | 14 Aug, 2026 |
| 6 | Jeffrey Mcgonegal | Senior Advisor | 876,280 | 0 | 876,280 | 3.5% | 13 Jan, 2023 |
| 7 | Ryan D. Werner | Svp, Cao | 699,493 | 0 | 699,493 | 2.8% | 07 Aug, 2026 |
| 8 | Colin M. Yee | Evp, Cfo | 428,435 | 0 | 428,435 | 1.7% | 06 Jul, 2026 |
| 9 | Megan M. Brooks | Chief Operating Officer | 179,596 | 0 | 179,596 | 0.7% | 15 Jul, 2022 |
| 10 | Jonathan Gibbs | Cdco | 84,989 | 0 | 84,989 | 0.3% | 14 Apr, 2026 |
| 11 | Lance Varro D'Ambrosio | Director | 72,641 | 0 | 72,641 | 0.3% | 06 Jul, 2026 |
| 12 | Hannah Cho | Director | 59,265 | 0 | 59,265 | 0.2% | 18 Mar, 2025 |
| 13 | Lyle Joseph Theriot | Officer | 55,623 | 0 | 55,623 | 0.2% | 18 Jan, 2022 |
| 14 | Douglas Mouton | Director | 44,834 | 0 | 44,834 | 0.2% | 06 Jul, 2026 |
| 15 | Michael John Turner | Director | 36,450 | 0 | 36,450 | 0.1% | 06 Jul, 2026 |
| 16 | Jaime Leverton | Director | 28,103 | 0 | 28,103 | 0.1% | 15 Jul, 2025 |
| 17 | Chad Everett Harris | Evp, Cco | 14,400 | 0 | 14,400 | 0.1% | 03 Feb, 2023 |
| 18 | Hubert Marleau | Director | 5,000 | 0 | 5,000 | 0.0% | 05 Mar, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 12 Aug, 2026 | Stephen Mitchell Jr. Howell | Coo | Disposed G | 21,198 | $0.00 | $0 | 1,834,408 | Direct |
| 05 Aug, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 35,430 | $21.98 | $778.75K | 711,796 | Direct |
| 05 Aug, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 9,802 | $22.82 | $223.68K | 701,994 | Direct |
| 05 Aug, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 2,501 | $23.53 | $58.85K | 699,493 | Direct |
| 31 Jul, 2026 | Jason Les | Ceo | Disposed F | 2,896,921 | $20.17 | $58.43Mn | 4,944,637 | Direct |
| 31 Jul, 2026 | Stephen Mitchell Jr. Howell | Coo | Disposed F | 153,162 | $20.17 | $3.09Mn | 1,855,606 | Direct |
| 31 Jul, 2026 | Ryan D. Werner | Svp, Cao | Disposed F | 148,500 | $20.17 | $3.00Mn | 747,226 | Direct |
| 07 Jul, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 10,232 | $21.22 | $217.12K | 903,322 | Direct |
| 07 Jul, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 7,596 | $21.93 | $166.58K | 895,726 | Direct |
| 01 Jul, 2026 | Lance Varro D'Ambrosio | Director | Acquired A | 8,347 | $0.00 | $0 | 68,891 | Direct |
| 01 Jul, 2026 | Ryan D. Werner | Svp, Cao | Disposed F | 13,869 | $23.96 | $332.30K | 913,554 | Direct |
| 01 Jul, 2026 | Douglas Mouton | Director | Acquired A | 8,347 | $0.00 | $0 | 44,834 | Direct |
| 01 Jul, 2026 | Stephen Mitchell Jr. Howell | Coo | Disposed F | 21,966 | $23.96 | $526.31K | 2,008,768 | Direct |
| 01 Jul, 2026 | Michael John Turner | Director | Acquired A | 8,347 | $0.00 | $0 | 36,450 | Direct |
| 01 Jul, 2026 | Jason Les | Ceo | Disposed F | 101,015 | $23.96 | $2.42Mn | 7,841,558 | Direct |
| 01 Jul, 2026 | Colin M. Yee | Other | Acquired M | 124,823 | $0.00 | $0 | 428,435 | Direct |
| 01 Jul, 2026 | Colin M. Yee | Other | Disposed M | 41,071 | $0.00 | $0 | 2,074,295 | Direct |
| 01 Jul, 2026 | Colin M. Yee | Other | Disposed M | 83,752 | $0.00 | $0 | 1,990,543 | Direct |
| 22 Jun, 2026 | Ryan D. Werner | Svp, Cao | Disposed S | 25,375 | $30.00 | $761.25K | 927,423 | Direct |
| 22 Jun, 2026 | Jason Les | Ceo | Disposed S | 62,703 | $30.09 | $1.89Mn | 1,263,556 | Indirect |