BUFFETT WARREN E
SEC CIK 315090 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BRK-B | Berkshire Hathaway | Dir, 10% | 12.00M | — | — | 31 | 2022-06-14 | 2026-07-14 |
| DVA | DaVita | 10% | 30.10M | — | $343.77M | 3 | 2025-02-14 | 2026-01-29 |
| SIRI | SIRIUS XM HOLDINGS INC. | 10% | 123.77M | $209.28M | — | 3 | 2024-10-16 | 2025-07-31 |
| OXY | Occidental Petroleum | 10% | 264.94M | $5.08B | — | 10 | 2022-03-09 | 2025-02-07 |
| VRSN | Verisign | 10% | 12.98M | $45.40M | — | 1 | 2024-12-17 | 2024-12-17 |
| BAC | Bank of America | 10% | 766.31M | — | $5.76B | 9 | 2024-07-17 | 2024-10-15 |
| FWONA | Liberty Media Corp | 10% | 0 | $846.64M | $2.21M | 14 | 2024-01-02 | 2024-09-09 |
| HPQ | HP Inc. | 10% | 105.73M | $398.51M | $419.75M | 4 | 2022-04-04 | 2023-09-28 |
Most active insiders at BRK-B, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | O'Sullivan Michael J. | See Remarks | $500.6K | — |
| 2 | Jain Ajit | Vice COB, Dir | — | — |
| 3 | GUYMAN CHARLOTTE | Dir | — | — |
| 4 | BUFFETT WARREN E | Dir, 10% | — | — |
Transactions 75
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-07-15 16:32 | 2026-07-14 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | Dir, 10% | C - Cnv Deriv | $0.00 | +12.00M | 12.00M | +1,032,702% | $0 |
| DM | 2026-07-15 16:32 | 2026-07-14 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | Dir, 10% | G - Gift | $0.00 | -12.00M | 1,162 | -100% | $0 |
| 2026-05-26 19:05 | 2026-05-22 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | Dir, 10% | G - Gift | $0.00 | -160 | 1,162 | -12% | $0 | |
| D | 2026-05-20 16:05 | 2026-05-18 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | Dir, 10% | C - Cnv Deriv | $0.00 | +37.5K | 38.6K | +3,366% | $0 |
| DM | 2026-05-20 16:05 | 2026-05-18 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | Dir, 10% | G - Gift | $0.00 | -37.3K | 1,322 | -97% | $0 |
| I | 2026-02-02 | 2026-01-29 | DVA | DaVita | BUFFETT WARREN E | 10% | S - Sale | $120.56 | -1.66M | 30.10M | -5% | -$199.95M |
| DM | 2025-11-12 | 2025-11-10 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -2.70M | 1,114 | -100% | $0 |
| D | 2025-11-12 | 2025-11-10 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +2.70M | 2.70M | +242,370% | $0 |
| MI | 2025-08-04 | 2025-07-31+ | SIRI | SIRIUS XM HOLDINGS INC. | BUFFETT WARREN E | 10% | P - Purchase | $21.16 | +5.03M | 123.77M | +4% | +$106.45M |
| 2025-07-16 | 2025-07-14 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -30 | 1,114 | -3% | $0 | |
| DM | 2025-06-30 | 2025-06-30 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -12.36M | 1.32M | -90% | $0 |
| D | 2025-06-30 | 2025-06-27 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +12.36M | 12.36M | +1,280,674% | $0 |
| MI | 2025-05-27 | 2025-05-22+ | DVA | DaVita | BUFFETT WARREN E | 10% | S - Sale | $138.85 | -200.0K | 33.81M | -0.6% | -$27.77M |
| DM | 2025-05-15 | 2025-05-13+ | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -1,326 | 987 | -57% | $0 |
| D | 2025-05-15 | 2025-05-13 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +1,500 | 2,291 | +190% | $0 |
| D | 2025-04-09 | 2025-04-09 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -160 | 791 | -17% | $0 |
| MI | 2025-02-19 | 2025-02-14+ | DVA | DaVita | BUFFETT WARREN E | 10% | S - Sale | $154.74 | -750.0K | 35.39M | -2% | -$116.06M |
| I | 2025-02-11 | 2025-02-07 | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $46.82 | +763.0K | 264.94M | +0.3% | +$35.72M |
| MI | 2024-12-19 | 2024-12-17+ | VRSN | Verisign | BUFFETT WARREN E | 10% | P - Purchase | $193.77 | +234.3K | 12.98M | +2% | +$45.40M |
| MI | 2024-12-19 | 2024-12-17+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $45.99 | +8.90M | 257.76M | +4% | +$409.17M |
| D | 2024-12-04 | 2024-12-04 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -6,382 | 951 | -87% | $0 |
| D | 2024-12-04 | 2024-12-03 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +6,000 | 7,333 | +450% | $0 |
| DM | 2024-11-25 | 2024-11-25 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -2.40M | 301.3K | -89% | $0 |
| D | 2024-11-25 | 2024-11-25 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +2.40M | 2.40M | +180,045% | $0 |
| MI | 2024-10-31 | 2024-10-29+ | SIRI | SIRIUS XM HOLDINGS INC. | BUFFETT WARREN E | 10% | P - Purchase | $27.24 | +2.23M | 110.90M | +2% | +$60.69M |
| MI | 2024-10-18 | 2024-10-16+ | SIRI | SIRIUS XM HOLDINGS INC. | BUFFETT WARREN E | 10% | P - Purchase | $27.05 | +1.56M | 109.06M | +1% | +$42.14M |
| MI | 2024-10-17 | 2024-10-15 | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $42.54 | -8.69M | 766.31M | -1% | -$369.91M |
| MI | 2024-10-10 | 2024-10-08+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $40.04 | -9.55M | 776.61M | -1% | -$382.39M |
| MI | 2024-10-02 | 2024-09-30+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $39.52 | -8.55M | 795.84M | -1% | -$337.84M |
| M | 2024-09-13 | 2024-09-12 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -20 | 1,333 | -1% | $0 |
| I | 2024-09-12 | 2024-09-09 | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | J - Other | $0.00 | -35.18M | 0 | -100% | $0 |
| MI | 2024-09-10 | 2024-09-06+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $39.45 | -5.80M | 858.18M | -0.7% | -$228.69M |
| MI | 2024-08-30 | 2024-08-28+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $40.24 | -21.08M | 896.72M | -2% | -$848.15M |
| MI | 2024-08-19 | 2024-08-15+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $39.42 | -13.97M | 933.50M | -1% | -$550.68M |
| MI | 2024-07-29 | 2024-07-25+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $41.65 | -18.41M | 966.91M | -2% | -$767.01M |
| MI | 2024-07-24 | 2024-07-22+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $42.46 | -18.90M | 992.61M | -2% | -$802.49M |
| MI | 2024-07-19 | 2024-07-17+ | BAC | Bank of America | BUFFETT WARREN E | 10% | S - Sale | $43.57 | -33.89M | 998.96M | -3% | -$1.48B |
| 2024-07-02 | 2024-07-02 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -1,233 | 1,353 | -48% | $0 | |
| DM | 2024-06-28 | 2024-06-28 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -13.01M | 3.08M | -81% | $0 |
| D | 2024-06-28 | 2024-06-28 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +13.01M | 13.01M | +3,782,267% | $0 |
| MAI | 2024-06-20 | 2024-06-13+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | S - Sale | $33.88 | -65.3K | 5.00M | -1% | -$2.21M |
| MI | 2024-06-12 | 2024-06-10+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $60.31 | +1.75M | 251.57M | +0.7% | +$105.56M |
| MI | 2024-04-26 | 2024-04-24+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $24.53 | +647.0K | 69.19M | +0.9% | +$15.87M |
| MI | 2024-04-12 | 2024-04-10+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $25.85 | +1.13M | 69.04M | +2% | +$29.33M |
| MI | 2024-04-08 | 2024-04-04+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $27.33 | +1.12M | 33.48M | +3% | +$30.69M |
| MI | 2024-04-08 | 2024-04-04+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $27.40 | +2.42M | 66.74M | +4% | +$66.42M |
| MI | 2024-03-28 | 2024-03-26+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $29.10 | +7.60M | 65.48M | +13% | +$221.18M |
| MI | 2024-03-25 | 2024-03-21+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $28.81 | +1.28M | 57.89M | +2% | +$36.77M |
| MI | 2024-03-12 | 2024-03-08+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $29.80 | +5.93M | 56.61M | +12% | +$176.65M |
| MI | 2024-03-12 | 2024-03-08+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $29.95 | +3.72M | 28.95M | +15% | +$111.40M |
| MI | 2024-03-06 | 2024-03-04+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $29.26 | +2.18M | 50.68M | +5% | +$63.90M |
| MI | 2024-02-05 | 2024-02-01+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $57.15 | +4.30M | 245.20M | +2% | +$245.87M |
| MI | 2024-01-25 | 2024-01-23+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $30.99 | +438.9K | 22.88M | +2% | +$13.60M |
| MAI | 2024-01-18 | 2024-01-02+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $29.76 | +1.09M | 21.01M | +5% | +$32.46M |
| MI | 2024-01-17 | 2024-01-12+ | FWONA | Liberty Media Corp | BUFFETT WARREN E | 10% | P - Purchase | $30.40 | +1.59M | 46.47M | +4% | +$48.37M |
| MI | 2023-12-13 | 2023-12-11+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $56.16 | +10.48M | 230.20M | +5% | +$588.66M |
| DA | 2023-11-27 | 2023-11-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +2.40M | 2.40M | +697,674% | $0 |
| DMA | 2023-11-27 | 2023-11-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -2.40M | 600.3K | -80% | $0 |
| DM | 2023-11-21 | 2023-11-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -2.40M | 344 | -100% | $0 |
| D | 2023-11-21 | 2023-11-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +2.40M | 2.40M | +697,674% | $0 |
| MI | 2023-10-02 | 2023-09-28+ | HPQ | HP Inc. | BUFFETT WARREN E | 10% | S - Sale | $25.76 | -5.13M | 105.73M | -5% | -$132.04M |
| MI | 2023-09-22 | 2023-09-20+ | HPQ | HP Inc. | BUFFETT WARREN E | 10% | S - Sale | $26.98 | -4.79M | 110.66M | -4% | -$129.21M |
| MI | 2023-09-13 | 2023-09-11+ | HPQ | HP Inc. | BUFFETT WARREN E | 10% | S - Sale | $28.81 | -5.50M | 120.01M | -4% | -$158.50M |
| DM | 2023-06-22 | 2023-06-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -13.69M | 344 | -100% | $0 |
| D | 2023-06-22 | 2023-06-21 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +13.69M | 13.69M | +4,961,413% | $0 |
| MI | 2023-03-07 | 2023-03-03+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $61.10 | +5.80M | 198.28M | +3% | +$354.51M |
| D | 2022-11-23 | 2022-11-22 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +2.40M | 2.40M | +869,565% | $0 |
| DM | 2022-11-23 | 2022-11-23 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -2.40M | 900.3K | -73% | $0 |
| MI | 2022-07-07 | 2022-07-05+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $57.94 | +12.04M | 166.68M | +8% | +$697.78M |
| MI | 2022-07-01 | 2022-06-29+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $58.91 | +9.89M | 158.55M | +7% | +$582.44M |
| MI | 2022-06-22 | 2022-06-17+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $55.36 | +9.55M | 152.71M | +7% | +$528.77M |
| D | 2022-06-15 | 2022-06-14 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +14.41M | 14.41M | +597,512% | $0 |
| DM | 2022-06-15 | 2022-06-14 | BRK-B | Berkshire Hathaway | BUFFETT WARREN E | COB, CEO, Dir, 10% | G - Gift | $0.00 | -14.41M | 276 | -100% | $0 |
| MI | 2022-04-06 | 2022-04-04+ | HPQ | HP Inc. | BUFFETT WARREN E | 10% | P - Purchase | $35.79 | +11.13M | 120.70M | +10% | +$398.51M |
| MI | 2022-03-11 | 2022-03-09+ | OXY | Occidental Petroleum | BUFFETT WARREN E | 10% | P - Purchase | $56.60 | +27.11M | 114.95M | +31% | +$1.53B |
Purchase Sale Sale after option exercise All abbreviations