Howell Stephen Mitchell Jr.
- Shares
- 1.86M
- % company
- 0.49%
- Price
- $20.17
- Value
- $37,427,573
Filed Jul 31, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · Technology · Holders
Riot Platforms, Inc. (RIOT) Insider Trading History
Recent Form 4 insider activity for RIOT, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 19, 11:44 AM EDT · Statements Jun 29, 8:00 PM EDT
Ownership read
RIOT insider sentiment: Net selling.
13 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
RIOT
Purchases0
Sales14.25M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$304.67M sold / — bought
Latest filing
Jul 31, 2026
Most recent holder or insider filing date
Filings shown
44
44 insider
- Latest filing
- Jul 31, 2026
- Most recent holder or insider filing date
- Insider rows
- 44
- Market data source
Recent insider transactions
Riot Platforms, Inc. (RIOT) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Werner Ryan D.
- Shares
- 747.23K
- % company
- 0.20%
- Price
- $20.17
- Value
- $15,071,548
Filed Jul 31, 2026
Les Jason
- Shares
- 4.94M
- % company
- 1.32%
- Price
- $20.17
- Value
- $99,733,328
Filed Jul 31, 2026
Werner Ryan D.
- Shares
- 895.73K
- % company
- 0.24%
- Price
- $21.93
- Value
- $19,643,271
Filed Jul 7, 2026
Werner Ryan D.
- Shares
- 903.32K
- % company
- 0.24%
- Price
- $21.22
- Value
- $19,168,493
Filed Jul 7, 2026
Mouton Douglas
- Shares
- 44.83K
- % company
- 0.01%
Filed Jul 1, 2026
Howell Stephen Mitchell Jr.
- Shares
- 2.01M
- % company
- 0.54%
- Price
- $23.96
- Value
- $48,130,081
Filed Jul 1, 2026
Turner Michael John
- Shares
- 36.45K
- % company
- <0.01%
Filed Jul 1, 2026
Leverton Jaime
- Shares
- 36.45K
- % company
- <0.01%
Filed Jul 1, 2026
Yee Colin M.
- Shares
- 1.99M
- % company
- 0.53%
Filed Jul 1, 2026
Yee Colin M.
- Shares
- 2.07M
- % company
- 0.55%
Filed Jul 1, 2026
Yee Colin M.
- Shares
- 428.44K
- % company
- 0.11%
Filed Jul 1, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Howell Stephen Mitchell Jr. | 0.49% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.86M | Jul 31, 2026 |
| 2 | Werner Ryan D. | 0.20% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 747.23K | Jul 31, 2026 |
| 3 | Les Jason | 1.32% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 4.94M | Jul 31, 2026 |
| 4 | Werner Ryan D. | 0.24% | SaleOpen-market or direct sale reported on Form 4. | 895.73K | Jul 7, 2026 |
| 5 | Werner Ryan D. | 0.24% | SaleOpen-market or direct sale reported on Form 4. | 903.32K | Jul 7, 2026 |
| 6 | Mouton Douglas | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 44.83K | Jul 1, 2026 |
| 7 | Howell Stephen Mitchell Jr. | 0.54% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 2.01M | Jul 1, 2026 |
| 8 | Turner Michael John | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 36.45K | Jul 1, 2026 |
| 9 | Leverton Jaime | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 36.45K | Jul 1, 2026 |
| 10 | Yee Colin M. | 0.53% | Option exerciseDerivative exercise or conversion before any separate sale row. | 1.99M | Jul 1, 2026 |
| 11 | Yee Colin M. | 0.55% | Option exerciseDerivative exercise or conversion before any separate sale row. | 2.07M | Jul 1, 2026 |
| 12 | Yee Colin M. | 0.11% | Option exerciseDerivative exercise or conversion before any separate sale row. | 428.44K | Jul 1, 2026 |
Showing 12 of 44 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported RIOT insider?
Les Jason has the largest absolute share movement in the displayed RIOT filing rows, totaling 34.33 million shares. The action labels provide the transaction context.