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Riot Platforms, Inc.

RIOT
Exchange
Nasdaq
Industry
Finance Services
SEC CIK
0001167419

In the last 90 days, Riot Platforms, Inc. insiders filed 0 open-market purchases and 2 sales; 470 institutions reported holding it in 13F filings for Q2 2026, worth $9.94B in total; 4 superinvestors hold it, including Starboard Value and Oaktree Capital.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Riot Platforms, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
1 insider, $1.44M in total
Insiders trading
1
Net value
−$1.44M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Riot Platforms, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Riot Platforms, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Howell Stephen Mitchell Jr.COO1,834,408Aug 14, 20265
Werner Ryan D.SVP, CAO699,493Aug 7, 20269
Les JasonCEO4,944,637Aug 4, 20268
Leverton JaimeDirector36,450Jul 6, 20261
Mouton DouglasDirector44,834Jul 6, 20261
D'Ambrosio Lance VarroDirector68,891Jul 6, 20262
Turner Michael JohnDirector36,450Jul 6, 20261
Yee Colin M.Other: Senior Advisor (See Remarks)428,435Jul 6, 20263
Gibbs JonathanCDCO (See Remarks)84,989Apr 14, 20263
Yi Soo Il BenjaminEXECUTIVE CHAIRMAN9,638,339Jan 5, 20261
Jackman William RichardCHIEF LEGAL OFFICER (CLO)2,853,105Jan 5, 20262
Chung JasonEVP, CORP DEV3,129,142Jan 5, 20261
Cho HannahDirector59,265Mar 18, 20250
Marleau HubertDirector5,000Mar 5, 20250
Harris Chad Everett(SEE REMARKS)14,400Feb 3, 20230
McGonegal JeffreySenior Advisor876,280Jan 13, 20230
Theriot Lyle JosephSee Remarks55,623Jul 18, 20220
Brooks Megan M.[See Remarks]179,596Jul 15, 20220
Northern Data AG10% Owner6,949,992Sep 7, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 7, 2026 (view filing)5:00 PM ETAug 52 daysWerner Ryan D.SVP, CAOSSale−47.7K$22.23−$1.06M−6.4%699.5K after3 lots10b5-1
Jul 9, 2026 (view filing)4:30 PM ETJul 72 daysWerner Ryan D.SVP, CAOSSale−17.8K$21.52−$383.7K−2.0%895.7K after2 lots10b5-1
Jun 24, 2026 (view filing)Jun 222 daysWerner Ryan D.SVP, CAOSSale−25.4K$30.00−$761.3K−2.7%927.4K after10b5-1
Jun 24, 2026 (view filing)Jun 222 daysLes JasonCEOSSale−62.7K$30.09−$1.89M−4.7%1.26M after10b5-1
May 29, 2026 (view filing)May 272 daysWerner Ryan D.SVP, CAOSSale−37.6K$26.50−$996.8K−3.8%952.8K after10b5-1
May 13, 2026 (view filing)May 112 daysLes JasonCEOSSale−175.0K$25.19−$4.41M−11.7%1.33M after10b5-1
Oct 10, 2025 (view filing)Oct 10Same dayWerner Ryan D.SVP, CAOSSale−15.0K$23.00−$344.6K−1.8%822.8K after10b5-1
Oct 10, 2025 (view filing)Sep 1030 daysJackman William RichardEVP, GENERAL COUNSELSSale−248.2K$15.78−$3.92M−9.9%2.26M afterAmended
Oct 3, 2025 (view filing)Oct 3Same dayLes JasonCEOSSale−113.9K$20.04−$2.28M−12.9%769.9K after10b5-1
Oct 1, 2025 (view filing)Sep 292 daysLes JasonCEOSSale−12.8K$20.00−$256.0K−1.4%883.9K after10b5-1
Sep 26, 2025 (view filing)Sep 242 daysLes JasonCEOSSale−23.3K$20.04−$466.0K−2.5%896.7K after10b5-1
Jul 23, 2025 (view filing)Jul 212 daysLes JasonCEOSSale−100.0K$15.12−$1.51M−9.8%919.9K after10b5-1
Jul 9, 2025 (view filing)Jul 72 daysWerner Ryan D.SVP, CAOSSale−3.75K$11.88−$44.5K−0.4%837.8K afterAmended10b5-1
Mar 20, 2025 (view filing)Mar 173 daysLateMouton DouglasDirectorPPurchase+8.38K$7.74+$64.9K+69.9%20.4K after
Mar 18, 2025 (view filing)Mar 144 daysCho HannahDirectorSSale−12.0K$7.70−$92.4K−16.8%59.3K after
Mar 5, 2025 (view filing)Mar 32 daysMarleau HubertDirectorSSale−61.0K$9.58−$584.4K−92.4%5.00K after
Dec 12, 2024 (view filing)Dec 102 daysLes JasonCHIEF EXECUTIVE OFFICERSSale−50.0K$11.34−$567.0K−4.7%1.02M after10b5-1
Nov 20, 2024 (view filing)Nov 182 daysCho HannahDirectorSSale−10.0K$12.57−$126.0K−12.3%71.3K after2 lots
Sep 18, 2024 (view filing)Sep 162 daysD'Ambrosio Lance VarroDirectorSSale−25.0K$7.00−$175.0K−36.0%44.4K after
Aug 15, 2024 (view filing)Aug 141 dayMarleau HubertDirectorSSale−17.9K$7.70−$137.5K−21.3%66.0K after
Aug 8, 2024 (view filing)Aug 71 dayCho HannahDirectorSSale−27.9K$8.61−$239.9K−25.5%81.3K after
Mar 19, 2024 (view filing)Mar 154 daysWerner Ryan D.SVP, CAOSSale−35.0K$11.15−$390.3K−7.0%462.8K after
Mar 1, 2024 (view filing)Feb 282 daysCho HannahDirectorSSale−15.0K$17.42−$261.3K−15.0%85.2K after
Dec 12, 2023 (view filing)Dec 84 daysJackman William RichardEVP, GENERAL COUNSELSSale−57.0K$15.68−$893.8K−5.7%947.6K after
Aug 21, 2023 (view filing)Aug 174 daysMarleau HubertDirectorSSale−51.2K$12.28−$628.3K−64.7%27.9K after
Jul 19, 2023 (view filing)Jul 172 daysD'Ambrosio Lance VarroDirectorSSale−26.0K$19.16−$498.2K−65.9%13.4K after10b5-1
Jun 5, 2023 (view filing)Jun 1-24 daysYi Soo Il BenjaminEXECUTIVE CHAIRMANSSale−760.6K$11.87−$9.03M−21.2%2.83M after3 lots
Jun 5, 2023 (view filing)Jun 14 daysLes JasonCHIEF EXECUTIVE OFFICERSSale−50.0K$11.63−$581.5K−12.3%356.8K after
Jun 5, 2023 (view filing)Jun 23 daysJackman William RichardEVP, GENERAL COUNSELSSale−371.5K$12.13−$4.51M−36.9%634.9K after
Jun 2, 2023 (view filing)May 312 daysWerner Ryan D.SVP, CAOSSale−22.3K$11.92−$266.2K−6.7%313.4K after
Jun 1, 2023 (view filing)May 302 daysCho HannahDirectorSSale−14.0K$12.26−$171.6K−17.0%68.2K after
May 30, 2023 (view filing)May 255 daysYee Colin M.CFOSSale−50.3K$10.93−$549.6K−12.4%354.0K after
May 30, 2023 (view filing)May 255 daysLes JasonCHIEF EXECUTIVE OFFICERSSale−50.0K$10.83−$541.5K−10.8%411.8K after
Apr 19, 2023 (view filing)Apr 172 daysD'Ambrosio Lance VarroDirectorSSale−26.0K$12.51−$325.3K−37.4%43.4K after10b5-1
Jan 19, 2023 (view filing)Jan 172 daysD'Ambrosio Lance VarroDirectorSSale−26.0K$6.39−$166.1K−27.2%69.4K after
Dec 19, 2022 (view filing)Dec 154 daysJackman William RichardEVP & General CounselSSale−25.0K$4.00−$100.0K−2.4%1.02M after
Dec 9, 2022 (view filing)Dec 72 daysHarris Chad EverettEVP, CCOSSale−75.6K$4.15−$313.6K−7.1%984.9K after
Nov 1, 2022 (view filing)Oct 311 dayD'Ambrosio Lance VarroDirectorSSale−26.0K$6.97−$181.2K−21.4%95.4K after
Sep 2, 2022 (view filing)Sep 11 dayD'Ambrosio Lance VarroDirectorSSaleCommon Stick−10.0K$6.69−$66.9K−72.7%3.75K after
Apr 8, 2022 (view filing)Apr 71 dayMarleau HubertDirectorSSale−2.50K$17.73−$44.3K−100.0%0 after
Dec 16, 2021 (view filing)Dec 151 dayBrooks Megan M.Chief Operating OfficerSSale−5.00K$25.91−$129.6K−6.7%69.5K after
Dec 15, 2021 (view filing)Dec 132 daysD'Ambrosio Lance VarroDirectorSSale−5.00K$24.98−$124.9K−100.0%0 after
Dec 15, 2021 (view filing)Dec 15Same dayMarleau HubertDirectorSSale−10.0K$23.35−$233.5K−100.0%0 after
Dec 7, 2021 (view filing)Dec 61 dayMcGonegal JeffreyChief Financial OfficerSSale−50.0K$28.00−$1.40M−14.6%291.5K after
Sep 7, 2021 (view filing)Sep 25 daysNorthern Data AG10% OwnerSSaleCommon Stock, no par value−3.00M$36.61−$109.8M−30.2%6.95M after
Sep 3, 2021 (view filing)Sep 12 daysNorthern Data AG10% OwnerSSaleCommon Stock, no par value−1.85M$36.84−$68.2M−15.7%9.95M after