A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 14 filings in this group are Form 4s for Riot Platforms, Inc.
The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.
Across the 14 insider filings shown, the breakdown is 6 tax withholding, 4 compensation award, 2 open-market sale, 1 option exercise and 1 gift. 2 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.
Form 4
Gift
Tax / Compensation Filing
2026-08-14
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Howell Stephen Mitchell Jr. (COO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
G |
Gift
|
21,198 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Howell Stephen Mitchell Jr. (COO)
Shares: 21,198
Form 4
Open-market sale
Insider Selling
2026-08-07
RIOT insider Werner Ryan D. (SVP, CAO) sold 47,733 shares (~$1.06M)
Werner Ryan D., listed as SVP, CAO at Riot Platforms, Inc., reported an open-market sale of 47,733 RIOT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
35,430 |
$21.98 |
$778.8K |
S |
Open-market sale
|
9,802 |
$22.82 |
$223.7K |
S |
Open-market sale
|
2,501 |
$23.53 |
$58.8K |
Filing: Form 4 (Insider Transaction)
Insider: Werner Ryan D. (SVP, CAO)
Shares: 47,733
Est. Value: $1.06M
Form 4
Tax withholding
Tax / Compensation Filing
2026-08-04
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Werner Ryan D. (SVP, CAO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
148,500 |
$20.17 |
$3.00M |
Filing: Form 4 (Insider Transaction)
Insider: Werner Ryan D. (SVP, CAO)
Shares: 148,500
Form 4
Tax withholding
Tax / Compensation Filing
2026-08-04
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Howell Stephen Mitchell Jr. (COO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
153,162 |
$20.17 |
$3.09M |
Filing: Form 4 (Insider Transaction)
Insider: Howell Stephen Mitchell Jr. (COO)
Shares: 153,162
Form 4
Tax withholding
Tax / Compensation Filing
2026-08-04
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Les Jason (Director, CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
2,896,921 |
$20.17 |
$58.43M |
Filing: Form 4 (Insider Transaction)
Insider: Les Jason (Director, CEO)
Shares: 2,896,921
Form 4
Open-market sale
Insider Selling
2026-07-09
RIOT insider Werner Ryan D. (SVP, CAO) sold 17,828 shares (~$383.7K)
Werner Ryan D., listed as SVP, CAO at Riot Platforms, Inc., reported an open-market sale of 17,828 RIOT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
10,232 |
$21.22 |
$217.1K |
S |
Open-market sale
|
7,596 |
$21.93 |
$166.6K |
Filing: Form 4 (Insider Transaction)
Insider: Werner Ryan D. (SVP, CAO)
Shares: 17,828
Est. Value: $383.7K
Form 4
Compensation award
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Leverton Jaime (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
A |
Compensation award
|
8,347 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Leverton Jaime (Director)
Shares: 8,347
Form 4
Compensation award
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Mouton Douglas (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
A |
Compensation award
|
8,347 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Mouton Douglas (Director)
Shares: 8,347
Form 4
Compensation award
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
D'Ambrosio Lance Varro (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
A |
Compensation award
|
8,347 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: D'Ambrosio Lance Varro (Director)
Shares: 8,347
Form 4
Compensation award
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Turner Michael John (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
A |
Compensation award
|
8,347 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Turner Michael John (Director)
Shares: 8,347
Form 4
Option exercise
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Yee Colin M. (Insider) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
M |
Option exercise
|
124,823 |
— |
— |
M |
Option exercise
derivative · Restricted Stock Units
|
41,071 |
— |
— |
M |
Option exercise
derivative · Restricted Stock Units
|
83,752 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Yee Colin M. (Insider)
Shares: 124,823
Form 4
Tax withholding
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Werner Ryan D. (SVP, CAO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
13,869 |
$23.96 |
$332.3K |
Filing: Form 4 (Insider Transaction)
Insider: Werner Ryan D. (SVP, CAO)
Shares: 13,869
Form 4
Tax withholding
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Les Jason (Director, CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
101,015 |
$23.96 |
$2.42M |
Filing: Form 4 (Insider Transaction)
Insider: Les Jason (Director, CEO)
Shares: 101,015
Form 4
Tax withholding
Tax / Compensation Filing
2026-07-06
RIOT insider Form 4 filed for equity award, exercise, or tax withholding
Howell Stephen Mitchell Jr. (COO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Shares were withheld by the company to settle tax due when equity vested. This is an automatic administrative step and not a decision to sell.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
F |
Tax withholding on vested shares
|
21,966 |
$23.96 |
$526.3K |
Filing: Form 4 (Insider Transaction)
Insider: Howell Stephen Mitchell Jr. (COO)
Shares: 21,966