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Riot Platforms, Inc. (RIOT) · Insider trading

What Riot Platforms's directors, officers and largest holders bought and sold themselves, from the Form 4 each of them files with the SEC within two business days of a trade. Open-market purchases and sales first: those are the trades somebody chose to make at the market price.

Bought, 12 months
$0
0 insiders, 0 trades
Sold, 12 months
$9.50M
2 insiders, 100% under a plan
Net, 12 months
−$9.50M
bought less sold
Latest filing
2026-08-14
filings read to 2026-10-19

Bought and sold at the market, by month

Two years. Purchases above the line, sales below, in dollars.

2024-11: $126,023 sold 2024-12: $567,000 sold 2025-01 2025-03: $64,892 bought 2025-03: $676,780 sold 2025-07: $1.56M sold 2025-07 2025-09: $4.64M sold 2025-10: $2.63M sold 2026-01 2026-05: $5.41M sold 2026-06: $2.65M sold 2026-07: $383,703 sold 2026-07 2026-08: $1.06M sold
Bought Sold Largest month: $5.41M

Who traded, two years

InsiderBoughtSold TradesLast tradeHolds after
Les JasonDirector, CEO – $11.38M 7 2026-06-22 –
Jackman William RichardEVP, GENERAL COUNSEL – $3.92M 1 2025-09-10 2,261,157
Werner Ryan D.SVP, CAO – $3.59M 9 2026-08-05 711,796
Marleau HubertDirector – $584,380 1 2025-03-03 5,000
Cho HannahDirector – $218,423 3 2025-03-14 59,265
Mouton DouglasDirector $64,892 – 1 2025-03-17 20,384

Open-market purchases and sales

Newest first. “Plan” marks a trade made under a 10b5-1 plan set up in advance.

DateInsiderTradeShares PriceValueHolds afterFiling
2026-08-05 Werner Ryan D.SVP, CAO Saleplan 35,430 21.98 $778,751 711,796 Form 4
2026-08-05 Werner Ryan D.SVP, CAO Saleplan 9,802 22.82 $223,682 701,994 Form 4
2026-08-05 Werner Ryan D.SVP, CAO Saleplan 2,501 23.53 $58,849 699,493 Form 4
2026-07-07 Werner Ryan D.SVP, CAO Saleplan 10,232 21.22 $217,123 903,322 Form 4
2026-07-07 Werner Ryan D.SVP, CAO Saleplan 7,596 21.93 $166,580 895,726 Form 4
2026-06-22 Les JasonDirector, CEO Saleplanindirect 62,703 30.09 $1.89M 1,263,556 Form 4
2026-06-22 Werner Ryan D.SVP, CAO Saleplan 25,375 30.00 $761,250 927,423 Form 4
2026-05-27 Werner Ryan D.SVP, CAO Saleplan 37,616 26.50 $996,824 952,798 Form 4
2026-05-11 Les JasonDirector, CEO Saleplanindirect 175,000 25.19 $4.41M 1,326,259 Form 4
2025-10-10 Werner Ryan D.SVP, CAO Saleplan 14,984 23.00 $344,632 822,775 Form 4
2025-10-03 Les JasonDirector, CEO Saleplanindirect 113,948 20.04 $2.28M 769,911 Form 4
2025-09-29 Les JasonDirector, CEO Saleplanindirect 12,800 20.00 $256,000 883,859 Form 4
2025-09-24 Les JasonDirector, CEO Saleplanindirect 23,252 20.04 $465,970 896,659 Form 4
2025-09-10 Jackman William RichardEVP, GENERAL COUNSEL Sale 248,168 15.78 $3.92M 2,261,157 Form 4/A
2025-07-21 Les JasonDirector, CEO Saleplanindirect 100,000 15.12 $1.51M 919,911 Form 4
2025-07-07 Werner Ryan D.SVP, CAO Saleplan 3,747 11.88 $44,514 837,759 Form 4/A
2025-03-17 Mouton DouglasDirector Buy 8,384 7.74 $64,892 20,384 Form 4
2025-03-14 Cho HannahDirector Sale 12,000 7.70 $92,400 59,265 Form 4
2025-03-03 Marleau HubertDirector Sale 61,000 9.58 $584,380 5,000 Form 4
2024-12-10 Les JasonDirector, CHIEF EXECUTIVE OFFICER Saleplanindirect 50,000 11.34 $567,000 1,019,911 Form 4
2024-11-18 Cho HannahDirector Sale 9,143 12.57 $114,928 72,147 Form 4
2024-11-18 Cho HannahDirector Sale 882 12.58 $11,096 71,265 Form 4

Grants, exercises and other transactions

Pay, tax and paperwork rather than a choice to trade at the market price. Two years.

29 × grant or award12 × shares withheld for tax3 × option exercise1 × gift1 × returned to the company
Show them
DateInsiderWhatShares PriceHolds afterFiling
2026-08-12 Howell Stephen Mitchell Jr.COO Gift G −21,198 – 1,834,408 Form 4
2026-07-31 Les JasonDirector, CEO Shares withheld for tax F −2,896,921 20.17 4,944,637 Form 4
2026-07-31 Werner Ryan D.SVP, CAO Shares withheld for tax F −148,500 20.17 747,226 Form 4
2026-07-31 Howell Stephen Mitchell Jr.COO Shares withheld for tax F −153,162 20.17 1,855,606 Form 4
2026-07-01 D'Ambrosio Lance VarroDirector Grant or award A +8,347 – 68,891 Form 4
2026-07-01 Les JasonDirector, CEO Shares withheld for tax F −101,015 23.96 7,841,558 Form 4
2026-07-01 Werner Ryan D.SVP, CAO Shares withheld for tax F −13,869 23.96 913,554 Form 4
2026-07-01 Yee Colin M.Other Option exercise M +124,823 – 428,435 Form 4
2026-07-01 Leverton JaimeDirector Grant or award A +8,347 – 36,450 Form 4
2026-07-01 Turner Michael JohnDirector Grant or award A +8,347 – 36,450 Form 4
2026-07-01 Howell Stephen Mitchell Jr.COO Shares withheld for tax F −21,966 23.96 2,008,768 Form 4
2026-07-01 Mouton DouglasDirector Grant or award A +8,347 – 44,834 Form 4
2026-04-12 Gibbs JonathanCDCO (See Remarks) Returned to the company D −1,147,910 – 84,989 Form 4
2026-01-01 Les JasonDirector, CEO Grant or award A +473,559 – 7,726,803 Form 4
2026-01-01 Les JasonDirector, CEO Grant or award A +947,118 – 8,673,921 Form 4
2026-01-01 Yi Soo il BenjaminDirector, EXECUTIVE CHAIRMAN Grant or award A +473,559 – 8,691,221 Form 4
2026-01-01 Yi Soo il BenjaminDirector, EXECUTIVE CHAIRMAN Grant or award A +947,118 – 9,638,339 Form 4
2026-01-01 Jackman William RichardCHIEF LEGAL OFFICER (CLO) Grant or award A +197,316 – 2,458,473 Form 4
2026-01-01 Jackman William RichardCHIEF LEGAL OFFICER (CLO) Grant or award A +394,632 – 2,853,105 Form 4
2026-01-01 Werner Ryan D.SVP, CAO Shares withheld for tax F −9,943 12.67 812,832 Form 4
2026-01-01 Werner Ryan D.SVP, CAO Grant or award A +59,194 – 872,026 Form 4
2026-01-01 Werner Ryan D.SVP, CAO Grant or award A +118,388 – 990,414 Form 4
2026-01-01 Chung JasonEVP, CORP DEV Grant or award A +236,779 – 2,655,584 Form 4
2026-01-01 Chung JasonEVP, CORP DEV Grant or award A +473,558 – 3,129,142 Form 4
2026-01-01 Howell Stephen Mitchell Jr.COO Shares withheld for tax F −29,482 12.67 1,438,786 Form 4
2026-01-01 Howell Stephen Mitchell Jr.COO Grant or award A +197,316 – 1,636,102 Form 4
2026-01-01 Howell Stephen Mitchell Jr.COO Grant or award A +394,632 – 2,030,734 Form 4
2026-01-01 Gibbs JonathanCDCO Grant or award A +236,779 – 759,341 Form 4
2026-01-01 Gibbs JonathanCDCO Grant or award A +473,558 – 1,232,899 Form 4
2025-12-01 Gibbs JonathanCDCO Shares withheld for tax F −60,868 15.48 522,562 Form 4
2025-07-11 D'Ambrosio Lance VarroDirector Grant or award A +16,103 – 60,544 Form 4/A
2025-07-11 Mouton DouglasDirector Grant or award A +16,103 – 36,487 Form 4
2025-07-11 Leverton JaimeDirector Grant or award A +16,103 – 28,103 Form 4
2025-07-11 Turner Michael JohnDirector Grant or award A +16,103 – 28,103 Form 4
2025-07-01 Werner Ryan D.SVP, CAO Shares withheld for tax F −12,965 11.27 641,861 Form 4/A
2025-07-01 Howell Stephen Mitchell Jr.COO Shares withheld for tax F −20,345 11.27 802,785 Form 4/A
2025-07-01 Howell Stephen Mitchell Jr.COO Grant or award A +221,827 – 1,024,612 Form 4
2025-07-01 Howell Stephen Mitchell Jr.COO Grant or award A +443,656 – 1,468,268 Form 4
2025-07-01 Werner Ryan D.SVP, CAO Grant or award A +66,548 – 708,409 Form 4
2025-07-01 Werner Ryan D.SVP, CAO Grant or award A +133,097 – 841,506 Form 4
2025-07-01 Yee Colin M.EVP, CFO Option exercise M +124,823 – 327,900 Form 4
2025-07-01 Les JasonDirector, CEO Shares withheld for tax F −101,610 11.27 7,253,244 Form 4
2025-06-30 Leverton JaimeDirector Option exercise M +12,000 – 12,000 Form 4
2025-06-10 Gibbs JonathanCDCO Grant or award A +583,430 – 583,430 Form 4
2025-02-21 Turner Michael JohnDirector Grant or award A +12,000 – 12,000 Form 4
2025-02-21 Mouton DouglasDirector Grant or award A +12,000 – 12,000 Form 4

How to read it

Buy, sale
Code P and S on the form: shares bought or sold in the market, at the market price. The other codes are mostly pay (a grant, an option exercised) or tax (shares the company withheld), and say little about what the insider thinks of the price.
Plan
A sale or purchase under a Rule 10b5-1 plan, set up in advance and running on its own schedule. Since April 2023 the form has a box for it. Much executive selling is planned and says more about diversifying than about the company.
Holds after
The shares the insider still held after the trade, in the form the trade was in (directly, or indirectly through a trust or a fund).
Value
Shares times the price the form reports, which is often an average over several fills on the day.

Read from the SEC's own quarterly data sets of Forms 3, 4 and 5, and from each day's filings since the last one. A correcting amendment replaces the lines it restates. Every row links to its filing. None of this is advice: insiders sell for many reasons, and buy for fewer.

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