๐Ÿ•ต๏ธ RIOT Platforms, Inc. ($RIOT)

SEC insider & ownership activity, last 12 months ยท CIK 1167419 ยท every row links its SEC filing

Over the last 12 months insiders sold $15.7M with no open-market buying against it. Les Jason sold $9.3M through a 10b5-1 trading plan in 5 lots (Sepโ€“Jun). No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net -$4.6M Oct 2025: net -$2.6M Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net -$5.4M Jun 2026: net -$2.6M Jul 2026: net -$384K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 3 sellers, $15.7M (11 lots)

InsiderBuysBoughtSellsSoldLast
Les Jason0โ€“ 5$9.3MJun 22, 2026
William Jackman0โ€“ 1$3.9MSep 10, 2025
Ryan D. Werner0โ€“ 5$2.5MJul 7, 2026

5%+ holders

HolderStakeClassScheduleEvent
FMR LLC 5.9% 13GMay 6, 2026 filing โ†—
Abigail P. Johnson 5.9% 13GMay 6, 2026 filing โ†—
Vanguard Portfolio Management 5.8% 13GApr 29, 2026 filing โ†—
JANE Street Group, LLC 5.3% 13GMay 11, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Jason Les$7.0MJun 22, 2026 filing โ†—
Jason Les$4.2MMay 11, 2026 filing โ†—
Jason Les$2.6MSep 24, 2025 filing โ†—
William Jackman$3.9MSep 10, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Officer/director changes (5.02)Jun 9, 2026 filing โ†—
Shareholder vote (5.07)Jun 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 9, 2026 filing โ†—
Earnings (2.02)Apr 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 30, 2026 filing โ†—
Material agreement (1.01)Apr 21, 2026 filing โ†—
New financial obligation (2.03)Apr 21, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 21, 2026 filing โ†—
Charter/bylaw changes (5.03)Mar 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 26, 2026 filing โ†—
Earnings (2.02)Mar 2, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 2, 2026 filing โ†—
Other events (8.01)Jan 16, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 16, 2026 filing โ†—
Officer/director changes (5.02)Dec 31, 2025 filing โ†—
Officer/director changes (5.02)Dec 31, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 31, 2025 filing โ†—
Material agreement (1.01)Dec 30, 2025 filing โ†—
Agreement terminated (1.02)Dec 30, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 30, 2025 filing โ†—
Earnings (2.02)Oct 30, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 30, 2025 filing โ†—
Earnings (2.02)Jul 31, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Jul 31, 2025 filing โ†—