Riot Platforms, Inc. (RIOT) Insider Trading
Over the last 3 months, RIOT insiders made 0 open-market buys and 2 sales, a net sale of -$5.4M (SEC Form 4). Over the last 6 months, 315 institutions increased and 234 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$5.4M
Insider trades by month Buys Sells
Dec
Mar
Jul
Sep
Oct
May
Context3-month price +67.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 29, 2026 | Werner Ryan D.officer: SVP, CAO | Sell | 37,616 | $26.50 |
| May 13, 2026 | Les Jasondirector, officer: CEO | Sell | 175,000 | $25.19 |
| Jan 5, 2026 | Werner Ryan D.officer: SVP, CAO | Grant | 118,388 | — |
| Jan 5, 2026 | Howell Stephen Mitchell Jr.officer: COO | Grant | 394,632 | — |
| Jan 5, 2026 | Les Jasondirector, officer: CEO | Grant | 947,118 | — |
| Jan 5, 2026 | Yee Colin M.officer: EVP, CFO | Grant | 157,853 | — |
| Jan 5, 2026 | Werner Ryan D.officer: SVP, CAO | Tax | 9,943 | $12.67 |
| Jan 5, 2026 | Howell Stephen Mitchell Jr.officer: COO | Grant | 197,316 | — |
| Jan 5, 2026 | Werner Ryan D.officer: SVP, CAO | Grant | 59,194 | — |
| Jan 5, 2026 | Gibbs Jonathanofficer: CDCO | Grant | 236,779 | — |
| Jan 5, 2026 | Yi Soo il Benjamindirector, officer: EXECUTIVE CHAIRMAN | Grant | 947,118 | — |
| Jan 5, 2026 | Gibbs Jonathanofficer: CDCO | Grant | 473,558 | — |
| Jan 5, 2026 | Howell Stephen Mitchell Jr.officer: COO | Tax | 29,482 | $12.67 |
| Jan 5, 2026 | Les Jasondirector, officer: CEO | Grant | 473,559 | — |
| Jan 5, 2026 | Chung Jasonofficer: EVP, CORP DEV | Grant | 236,779 | — |
| Jan 5, 2026 | Yi Soo il Benjamindirector, officer: EXECUTIVE CHAIRMAN | Grant | 473,559 | — |
| Jan 5, 2026 | Chung Jasonofficer: EVP, CORP DEV | Grant | 473,558 | — |
| Jan 5, 2026 | Jackman William Richardofficer: CHIEF LEGAL OFFICER (CLO) | Grant | 197,316 | — |
| Jan 5, 2026 | Jackman William Richardofficer: CHIEF LEGAL OFFICER (CLO) | Grant | 394,632 | — |
| Dec 3, 2025 | Gibbs Jonathanofficer: CDCO | Tax | 60,868 | $15.48 |
| Oct 10, 2025 | Werner Ryan D.officer: SVP, CAO | Sell | 14,984 | $23.00 |
| Oct 3, 2025 | Les Jasondirector, officer: CEO | Sell | 113,948 | $20.04 |
| Oct 1, 2025 | Les Jasondirector, officer: CEO | Sell | 12,800 | $20.00 |
| Sep 26, 2025 | Les Jasondirector, officer: CEO | Sell | 23,252 | $20.04 |
| Sep 12, 2025 | Jackman William Richardofficer: EVP, GENERAL COUNSEL | Sell | 248,168 | $15.78 |
| Jul 23, 2025 | Les Jasondirector, officer: CEO | Sell | 100,000 | $15.12 |
| Jul 15, 2025 | Turner Michael Johndirector | Grant | 16,103 | — |
| Jul 15, 2025 | D'Ambrosio Lance Varrodirector | Grant | 16,103 | — |
| Jul 15, 2025 | Mouton Douglasdirector | Grant | 16,103 | — |
| Jul 15, 2025 | Leverton Jaimedirector | Grant | 16,103 | — |
Source: RIOT SEC Form 4 filings, latest May 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their RIOT positions over the last 6 months (SEC Form 13F).
Increased
315
New positions
160
Reduced
234
Sold out
153
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 39.9M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 29.7M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 29.1M | Feb 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 21.7M | May 8, 2026 |
| STARBOARD VALUE LP | Increased | 15.5M | May 15, 2026 |
| FMR LLC | Increased | 15.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 14.9M | May 15, 2026 |
| UBS GROUP AG | Reduced | 13.5M | Jan 29, 2026 |
| FMR LLC | Reduced | 12.8M | Feb 17, 2026 |
| STARBOARD VALUE LP | Increased | 12.7M | Feb 17, 2026 |
| VIKING GLOBAL INVESTORS LP | New Position | 12.4M | Feb 17, 2026 |
| Situational Awareness Partners LP | New Position | 11.5M | May 18, 2026 |
| SITUATIONAL AWARENESS LP | Increased | 11.5M | May 18, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 11.3M | Feb 17, 2026 |
| NOMURA HOLDINGS INC | Increased | 9.9M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.