Insider · CIK 0000315090
Warren E Buffett
Files at BAC (BANK OF AMERICA CORP /DE/), OXY (OCCIDENTAL PETROLEUM CORP /DE/), SIRI (SIRIUS XM HOLDINGS INC.), LEN (LENNAR CORP /NEW/), DVA (DAVITA INC.), VRSN (VERISIGN INC/CA), BRK-B (BERKSHIRE HATHAWAY INC), LSXMA (LIBERTY MEDIA LLC), FWONA (Liberty Media Corp), LLYVA (Liberty Live Holdings, Inc.). First filing -, latest -.
In brief
Warren E Buffett files SEC Form 4 as 10% owner, CEO, chair and director at BAC (BANK OF AMERICA CORP /DE/), and also at OXY (OCCIDENTAL PETROLEUM CORP /DE/), SIRI (SIRIUS XM HOLDINGS INC.), LEN (LENNAR CORP /NEW/), DVA (DAVITA INC.) and 5 more. No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Warren E Buffett has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
The newest 50 of 60 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +12,000,000 | $0.00 | $0 | 12,001,162 | Jul 15, 2026 |
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -9,000,000 | $0.00 | $0 | 3,001,162 | Jul 15, 2026 |
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,000,000 | $0.00 | $0 | 2,001,162 | Jul 15, 2026 |
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,000,000 | $0.00 | $0 | 1,001,162 | Jul 15, 2026 |
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,000,000 | $0.00 | $0 | 1,162 | Jul 15, 2026 |
| Jul 14, 2026 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -8,000 | - | - | 188,290 | Jul 15, 2026 |
| May 22, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -160 | $0.00 | $0 | 1,162 | May 26, 2026 |
| May 18, 2026 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +37,500 | $0.00 | $0 | 38,614 | May 20, 2026 |
| May 18, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -18,646 | $0.00 | $0 | 19,968 | May 20, 2026 |
| May 18, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -18,646 | $0.00 | $0 | 1,322 | May 20, 2026 |
| May 18, 2026 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -25 | - | - | 196,290 | May 20, 2026 |
| Mar 17, 2026 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class A Common Stockderivative | -2 | - | - | 196,315 | Mar 19, 2026 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +2,700,000 | $0.00 | $0 | 2,701,114 | Nov 12, 2025 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,500,000 | $0.00 | $0 | 1,201,114 | Nov 12, 2025 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -400,000 | $0.00 | $0 | 801,114 | Nov 12, 2025 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -400,000 | $0.00 | $0 | 401,114 | Nov 12, 2025 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -400,000 | $0.00 | $0 | 1,114 | Nov 12, 2025 |
| Nov 10, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -1,800 | - | - | 196,317 | Nov 12, 2025 |
| Jul 14, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -30 | $0.00 | $0 | 1,114 | Jul 16, 2025 |
| Jun 27, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +12,358,500 | $0.00 | $0 | 12,359,465 | Jun 30, 2025 |
| Jun 30, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -9,433,839 | $0.00 | $0 | 2,925,626 | Jun 30, 2025 |
| Jun 30, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -943,384 | $0.00 | $0 | 1,982,242 | Jun 30, 2025 |
| Jun 30, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -660,366 | $0.00 | $0 | 1,321,876 | Jun 30, 2025 |
| Jun 30, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -660,366 | $0.00 | $0 | 661,510 | Jun 30, 2025 |
| Jun 30, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -660,366 | $0.00 | $0 | 1,144 | Jun 30, 2025 |
| Jun 27, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -8,239 | - | - | 198,117 | Jun 30, 2025 |
| May 13, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +1,500 | $0.00 | $0 | 2,291 | May 15, 2025 |
| May 13, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,304 | $0.00 | $0 | 987 | May 15, 2025 |
| May 14, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -22 | $0.00 | $0 | 965 | May 15, 2025 |
| May 13, 2025 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -1 | - | - | 206,356 | May 15, 2025 |
| Apr 9, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B | -160 | $0.00 | $0 | 791 | Apr 9, 2025 |
| Apr 7, 2025 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class A Common Stockderivative | -2 | - | - | 206,357 | Apr 9, 2025 |
| Dec 3, 2024 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +6,000 | $0.00 | $0 | 7,333 | Dec 4, 2024 |
| Dec 4, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -6,382 | $0.00 | $0 | 951 | Dec 4, 2024 |
| Dec 3, 2024 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -4 | - | - | 206,359 | Dec 4, 2024 |
| Nov 25, 2024 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +2,400,000 | $0.00 | $0 | 2,401,333 | Nov 25, 2024 |
| Nov 25, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,500,000 | $0.00 | $0 | 901,333 | Nov 25, 2024 |
| Nov 25, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -300,000 | $0.00 | $0 | 601,333 | Nov 25, 2024 |
| Nov 25, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -300,000 | $0.00 | $0 | 301,333 | Nov 25, 2024 |
| Nov 25, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -300,000 | $0.00 | $0 | 1,333 | Nov 25, 2024 |
| Nov 25, 2023 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -1,600 | - | - | 206,363 | Nov 25, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +13,011,000 | $0.00 | $0 | 13,011,344 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -9,930,357 | $0.00 | $0 | 3,080,987 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -993,035 | $0.00 | $0 | 2,087,952 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -695,122 | $0.00 | $0 | 1,392,830 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -695,122 | $0.00 | $0 | 697,708 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -695,122 | $0.00 | $0 | 2,586 | Jun 28, 2024 |
| Jun 28, 2024 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class A Common Stockderivative | -8,674 | - | - | 207,963 | Jun 28, 2024 |
| Nov 21, 2023 | BRK-B BERKSHIRE HATHAWAY INC | CConversion Class B Common Stock | +2,400,000 | $0.00 | $0 | 2,400,344 | Nov 27, 2023 |
| Nov 21, 2023 | BRK-B BERKSHIRE HATHAWAY INC | GGift Class B Common Stock | -1,500,000 | $0.00 | $0 | 900,344 | Nov 27, 2023 |
Questions about Warren E Buffett
Answered from the filings on this page, as of the latest one.
Is Warren E Buffett buying or selling?
Warren E Buffett has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Warren E Buffett's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Warren E Buffett has 0.
Where does Warren E Buffett file Form 4?
Warren E Buffett has filed Form 4 at BAC (BANK OF AMERICA CORP /DE/); OXY (OCCIDENTAL PETROLEUM CORP /DE/); SIRI (SIRIUS XM HOLDINGS INC.); LEN (LENNAR CORP /NEW/); DVA (DAVITA INC.) and 5 more. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.