๐Ÿ•ต๏ธ Sirius XM Holdings Inc. ($SIRI)

SEC insider & ownership activity, last 12 months ยท CIK 908937 ยท every row links its SEC filing

Over the last 12 months insiders sold $780K against $106.5M of open-market buying. Berkshire Hathaway Inc bought $106.5M (Julโ€“Aug). No red-flag 8-Ks in the window.

Aug 2025: net +$63.0M Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net -$40K Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net -$740K Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

1 buyer, $106.5M (4 lots) ยท 2 sellers, $780K (3 lots)

InsiderBuysBoughtSellsSoldLast
Berkshire Hathaway Inc4$106.5M 0โ€“Aug 4, 2025
Greenstein Scott Andrew0โ€“ 1$619KMay 27, 2026
Salen Kristina0โ€“ 2$161KMay 29, 2026

5%+ holders

HolderStakeClassScheduleEvent
Warren E. Buffett 37.1% 13GNov 14, 2025 filing โ†—
Berkshire Hathaway Inc. 37.1% 13GNov 14, 2025 filing โ†—
National Indemnity Company 31.9% 13GNov 14, 2025 filing โ†—
Geico Corporation 30.0% 13GNov 14, 2025 filing โ†—
Government Employees Insurance Company 30.0% 13GNov 14, 2025 filing โ†—
John C. Malone 5.5% 13DApr 21, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Salen Kristina$121KMay 29, 2026 filing โ†—
Salen Kristina$40KNov 3, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Officer/director changes (5.02)May 28, 2026 filing โ†—
Shareholder vote (5.07)May 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 28, 2026 filing โ†—
Earnings (2.02)Apr 30, 2026 filing โ†—
Reg FD disclosure (7.01)Apr 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 30, 2026 filing โ†—
Other events (8.01)Mar 5, 2026 filing โ†—
Material agreement (1.01)Mar 4, 2026 filing โ†—
New financial obligation (2.03)Mar 4, 2026 filing โ†—
Other events (8.01)Mar 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 4, 2026 filing โ†—
Other events (8.01)Mar 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 4, 2026 filing โ†—
Other events (8.01)Feb 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 26, 2026 filing โ†—
Other events (8.01)Feb 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 26, 2026 filing โ†—
Earnings (2.02)Feb 5, 2026 filing โ†—
Reg FD disclosure (7.01)Feb 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 5, 2026 filing โ†—
Officer/director changes (5.02)Jan 28, 2026 filing โ†—
Reg FD disclosure (7.01)Jan 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 28, 2026 filing โ†—
Officer/director changes (5.02)Nov 13, 2025 filing โ†—
Reg FD disclosure (7.01)Nov 13, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 13, 2025 filing โ†—
Earnings (2.02)Oct 30, 2025 filing โ†—
Reg FD disclosure (7.01)Oct 30, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 30, 2025 filing โ†—
Officer/director changes (5.02)Sep 5, 2025 filing โ†—