Form4insider filings, from the source

Company · CIK 0001167419 · SIC 6199 — Finance Services · Nasdaq

Riot Platforms, Inc. · RIOT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.1M · 4net −$4.1M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 12, 2026 GForm 4 →Aug 14, 5:06 pm EDTStephen Mitchell Howell Jr.COO21,198——1,834,408—
Aug 5, 2026 SForm 4 →Aug 7, 5:00 pm EDTRyan D. WernerSVP, CAO47,733$22.23$1,061,282699,493−6.39%10b5-1
Jul 31, 2026 FForm 4 →Aug 4, 8:00 pm EDTRyan D. WernerSVP, CAO148,500$20.17$2,995,245747,226—
Jul 31, 2026 FForm 4 →Aug 4, 8:00 pm EDTStephen Mitchell Howell Jr.COO153,162$20.17$3,089,2781,855,606—
Jul 31, 2026 FForm 4 →Aug 4, 8:00 pm EDTJason LesCEO, Director2,896,921$20.17$58,430,8974,944,637—
Jul 7, 2026 SForm 4 →Jul 9, 4:30 pm EDTRyan D. WernerSVP, CAO17,828$21.52$383,703895,726−1.95%10b5-1
Jul 1, 2026 AForm 4 →Jul 6, 6:00 pm EDTJaime LevertonDirector8,347——36,450—
Jul 1, 2026 AForm 4 →Jul 6, 6:00 pm EDTDouglas MoutonDirector8,347——44,834—
Jul 1, 2026 AForm 4 →Jul 6, 6:00 pm EDTLance Varro D'AmbrosioDirector8,347——68,891—
Jul 1, 2026 AForm 4 →Jul 6, 6:00 pm EDTMichael John TurnerDirector8,347——36,450—
Jul 1, 2026 MForm 4 →Jul 6, 5:00 pm EDTColin M. YeeOther124,823——428,435—
Jul 1, 2026 FForm 4 →Jul 6, 5:00 pm EDTRyan D. WernerSVP, CAO13,869$23.96$332,301913,554—
Jul 1, 2026 FForm 4 →Jul 6, 5:00 pm EDTJason LesCEO, Director101,015$23.96$2,420,3197,841,558—
Jul 1, 2026 FForm 4 →Jul 6, 5:00 pm EDTStephen Mitchell Howell Jr.COO21,966$23.96$526,3052,008,768—
Jun 22, 2026 SForm 4 →Jun 24, 4:15 pm EDTJason LesCEO, Director62,703$30.09$1,886,7331,263,556−4.73%10b5-1
Jun 22, 2026 SForm 4 →Jun 24, 4:15 pm EDTRyan D. WernerSVP, CAO25,375$30.00$761,250927,423−2.66%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 1, 2026 MForm 4 →Jul 6, 5:00 pm EDTColin M. YeeOther124,823——1,990,543—