The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2025 | Buffett Warren E | 10% Owner | Buy(P) | 1.0M | $21.63 | $22.4M |
| Aug 1, 2025 | Buffett Warren E | 10% Owner | Buy(P) | 1.9M | $21.02 | $40.6M |
| Jul 31, 2025 | Buffett Warren E | 10% Owner | Buy(P) | 85K | $21.43 | $1.8M |
| Jul 31, 2025 | Buffett Warren E | 10% Owner | Buy(P) | 2.0M | $21.04 | $41.6M |
| Feb 3, 2025 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 433K | $23.49 | $10.2M |
| Feb 3, 2025 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 284K | $24.05 | $6.8M |
| Jan 31, 2025 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 840K | $23.62 | $19.8M |
| Jan 30, 2025 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 751K | $22.79 | $17.1M |
| Dec 19, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 31K | $21.52 | $674K |
| Dec 19, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 2.0M | $20.85 | $42.5M |
| Dec 18, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 916K | $21.94 | $20.1M |
| Dec 18, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 539K | $22.49 | $12.1M |
| Dec 17, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 1.4M | $22.13 | $31.9M |
| Oct 31, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 679K | $26.59 | $18.1M |
| Oct 30, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 925K | $27.44 | $25.4M |
| Oct 29, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 624K | $27.65 | $17.2M |
| Oct 18, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 176K | $27.43 | $4.8M |
| Oct 17, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 1.0M | $27.01 | $28.1M |
| Oct 16, 2024 | Buffett Warren E | 10% Owner | Buy(P) | 342K | $26.99 | $9.2M |
| Oct 11, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 1.3M | $24.95 | $31.4M |
| Oct 10, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 517K | $24.47 | $12.7M |
| Oct 10, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 918K | $24.16 | $22.2M |
| Oct 9, 2024 | Berkshire Hathaway Inc | 10% Owner | Buy(P) | 870K | $23.55 | $20.5M |
| Sep 9, 2024 | Liberty Sirius XM Holdings Inc. | Director, 10% Owner | Other(J) | 3.2B | — | — |
| Sep 9, 2024 | Liberty Sirius XM Holdings Inc. | Director, 10% Owner | Other(J) | 0 | — | — |
| Sep 9, 2024 | Liberty Media Corp | Director, 10% Owner | Other(J) | 3.2B | — | — |
| Sep 9, 2024 | Liberty Media Corp | Director, 10% Owner | Other(J) | 0 | — | — |
| Apr 7, 2023 | Liberty Media Corp | Director, 10% Owner | Buy(P) | 0 | $28,050,824.36as filed | — |
| Apr 5, 2023 | Liberty Media Corp | Director, 10% Owner | Buy(P) | 0 | $247,074,094.03as filed | — |
| Mar 8, 2023 | Liberty Media Corp | Director, 10% Owner | Buy(P) | 0 | $112,139,108.20as filed | — |
| Nov 1, 2021 | Liberty Media Corp | Director, 10% Owner | Buy(P) | 43.7M | — | — |
| Nov 26, 2019 | Liberty Media Corp | Director, 10% Owner | Sell(S) | 0 | $603,750,000.00as filed | — |
| Mar 6, 2018 | Liberty Media Corp | Director, 10% Owner | Sell(S) | 0 | $400,000,000.00as filed | — |
| Dec 1, 2014 | Liberty Media Corp | Director, 10% Owner | Conversion(C) | 6.0M | — | — |
| Dec 1, 2014 | Liberty Media Corp | Director, 10% Owner | Conversion(C) | 0 | — | — |
| Nov 12, 2013 | Liberty Media Corp | Director, 10% Owner | Disposed to issuer(D) | 136.6M | $3.66 | $500.0M |
| Jan 18, 2013 | Liberty Media Corp | 10% Owner | Conversion(C) | 1.3B | — | — |
| Jan 18, 2013 | Liberty Media Corp | 10% Owner | Conversion(C) | 6.3M | — | $0 |
| Jan 15, 2013 | Liberty Media Corp | 10% Owner | Buy(P) | 50.0M | $3.16 | $158.0M |
| Jan 11, 2013 | Starz | 10% Owner | Other(J) | 1.9B | — | $0 |
| Jan 11, 2013 | Starz | 10% Owner | Other(J) | 6.3M | — | $0 |
| Jan 11, 2013 | Starz | 10% Owner | Other(J) | 0 | — | $0 |
| Nov 27, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 1.9M | $2.75 | $5.2M |
| Nov 20, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 6.9M | $2.75 | $19.0M |
| Nov 19, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 1.2M | $2.71 | $3.3M |
| Nov 16, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 4.5M | $2.65 | $11.8M |
| Nov 15, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 17.0M | $2.63 | $44.7M |
| Nov 14, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 9.5M | $2.72 | $25.9M |
| Nov 13, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 153K | $2.75 | $420K |
| Nov 9, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 3.9M | $2.74 | $10.6M |
| Oct 10, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 41.1M | — | — |
| Oct 10, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 41.1M | — | $0 |
| Sep 17, 2012 | Liberty Media Corp | 10% Owner | Conversion(C) | 1.3B | — | — |
| Sep 17, 2012 | Liberty Media Corp | 10% Owner | Conversion(C) | 6.2M | — | $0 |
| Sep 12, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 11.1M | $2.44 | $27.1M |
| Sep 11, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 26.5M | $2.48 | $65.7M |
| Sep 10, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 65K | $2.51 | $164K |
| Sep 10, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 3.2M | $2.51 | $8.0M |
| Sep 7, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 1.2M | $2.51 | $2.9M |
| Sep 5, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 894K | $2.51 | $2.2M |
| Sep 4, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 4.6M | $2.52 | $11.7M |
| Aug 31, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 9.6M | $2.52 | $24.3M |
| Aug 30, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 6.9M | $2.52 | $17.5M |
| Aug 29, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 8.3M | $2.53 | $21.0M |
| Aug 28, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 5.9M | $2.53 | $14.9M |
| Aug 27, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 29.1M | $2.53 | $73.5M |
| Aug 24, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 5.5M | $2.52 | $13.9M |
| Aug 16, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 1.5M | $2.53 | $3.8M |
| Aug 15, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 2.8M | $2.52 | $7.2M |
| Aug 14, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 31.2M | $2.52 | $78.5M |
| Aug 13, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 15.8M | $2.50 | $39.5M |
| Aug 10, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 43.0M | $2.45 | $105.3M |
| Aug 10, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 41.1M | — | $0 |
| Jul 6, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 302.2M | — | — |
| Jul 6, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 302.2M | — | $0 |
| May 9, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 44.4M | $2.13 | $94.5M |
| May 8, 2012 | Liberty Media Corp | 10% Owner | Buy(P) | 16.0M | $2.14 | $34.2M |
| May 7, 2012 | Liberty Media Corp | 10% Owner | Other(J) | 302.2M | — | $0 |
| Sep 23, 2011 | Liberty Interactive Corp | 10% Owner | Other(J) | 12.5M | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for SIRI