Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-10-01 Purchase | 2026-10-05 9:02 pm | LENNAR CORP | LEN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 2,418,637 | $79.65 | $192,634,433 | 568,028 (Indirect) | View |
| 2026-09-28 Purchase | 2026-09-30 7:52 pm | LENNAR CORP | LEN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 660,410 | $81.59 | $53,882,588 | 553,000 (Indirect) | View |
| 2026-09-28 Sale | 2026-09-29 5:16 pm | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 39,700 | $503.09 | $19,972,776 | 68,091 (Indirect Direct) | View |
| 2026-09-23 Purchase | 2026-09-25 8:02 pm | LENNAR CORP | LEN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 1,679,700 | $81.19 | $136,382,789 | 548,892 (Indirect) | View |
| 2026-09-17 Purchase | 2026-09-21 9:31 pm | LENNAR CORP | LEN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 2,743,529 | $77.42 | $212,395,151 | 528,217 (Indirect) | View |
| 2026-08-12 Purchase | 2026-08-13 5:06 pm | BERKSHIRE HATHAWAY INC | BRK-B | O'Sullivan Michael J. See Remarks | 488 | $512.44 | $250,072 | 1,151 (Indirect) | View |
| 2026-07-31 Sale | 2026-08-04 5:27 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 182,980 | $199.55 | $36,513,293 | 28,697,229 (Indirect) | View |
| 2026-05-06 Purchase | 2026-05-06 7:04 pm | BERKSHIRE HATHAWAY INC | BRK-B | O'Sullivan Michael J. See Remarks | 536 | $467.44 | $250,545 | 663 (Indirect) | View |
| 2026-05-01 Sale | 2026-05-05 6:52 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 1,220,376 | $149.84 | $182,864,679 | 28,880,209 (Indirect) | View |
| 2026-01-06 Sale | 2026-02-17 4:49 pm | Liberty Live Holdings Inc. | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 330,518 | $82.86 | $27,386,987 | 15,573,731 (Indirect) | View | |
| 2026-01-29 Sale | 2026-02-02 5:30 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 1,658,480 | $120.56 | $199,939,881 | 30,100,585 (Indirect) | View |
| 2025-10-27 Sale | 2025-10-29 6:09 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 401,514 | $135.36 | $54,347,249 | 31,759,065 (Indirect) | View |
| 2025-09-26 Sale | 2025-09-26 8:15 pm | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 15,000 | $0 | $0 | 107,858 (Indirect Direct) | View |
| 2025-08-08 Sale | 2025-08-08 6:08 pm | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 2,000 | $464.73 | $929,452 | 122,890 (Indirect Direct) | View |
| 2025-07-31 Sale | 2025-08-04 9:00 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 1,635,962 | $140.61 | $230,024,764 | 32,160,579 (Indirect) | View |
| 2025-07-31 Purchase | 2025-08-04 9:00 pm | SIRIUS XM HOLDINGS INC. | SIRI | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 5,030,425 | $21.16 | $106,454,379 | 124,807,117 (Indirect) | View |
| 2025-07-30 Sale | 2025-08-01 7:02 pm | VERISIGN INC | VRSN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 4,300,000 | $282.15 | $1,213,245,000 | 8,989,880 (Indirect) | View |
| 2025-05-22 Sale | 2025-05-27 9:34 pm | DAVITA INC. | DVA | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 200,000 | $138.85 | $27,769,399 | 33,796,541 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-21 Gift | 2026-10-23 4:38 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 19 | $0 | 68,072 (Direct) | View |
Ownership | 2026-09-21 9:21 pm | N/A N/A | LENNAR CORP | LEN | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 0 | $0 | 21,503,797 (Indirect) | View |
| 2026-09-03 Gift | 2026-09-04 6:19 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 10 | $0 | 107,791 (Direct) | View |
| 2026-07-14 Conversion | 2026-07-15 4:32 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Director 10% Owner | 12,008,000 | $0 | 189,452 (Direct) | View |
| 2026-07-14 Gift | 2026-07-15 4:32 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Director 10% Owner | 10,000,000 | $0 | 189,452 (Direct) | View |
| 2026-07-01 Gift | 2026-07-02 2:33 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 3 | $0 | 107,801 (Direct) | View |
Ownership | 2026-06-10 4:26 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Chang Charles C See Remarks | 0 | $0 | 6 (Indirect) | View |
| 2026-05-22 Gift | 2026-05-26 7:05 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Director 10% Owner | 160 | $0 | 197,452 (Direct) | View |
| 2026-05-18 Conversion | 2026-05-20 4:05 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Director 10% Owner | 37,525 | $0 | 197,612 (Direct) | View |
| 2026-05-18 Gift | 2026-05-20 4:05 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Director 10% Owner | 18,646 | $0 | 197,612 (Direct) | View |
| 2026-05-14 Gift | 2026-05-18 6:17 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | GUYMAN CHARLOTTE Director | 574 | $0 | 2,888 (Direct) | View |
Ownership | 2026-05-05 4:05 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-B | O'Sullivan Michael J. See Remarks | 0 | $0 | 127 (Indirect) | View |
| 2026-03-27 Gift | 2026-03-27 8:57 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 22 | $0 | 107,804 (Direct) | View |
| 2026-03-17 Gift | 2026-03-19 6:03 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 2 | $0 | 197,429 (Direct) | View |
Ownership | 2026-02-17 4:45 pm | N/A N/A | Liberty Live Holdings Inc. | BERKSHIRE HATHAWAY INC BUFFETT WARREN E 10% Owner | 0 | $0 | 15,904,249 (Indirect) | View | |
| 2025-11-10 Conversion | 2025-11-12 4:18 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 2,701,800 | $0 | 197,431 (Direct) | View |
| 2025-11-10 Gift | 2025-11-12 4:18 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 1,900,000 | $0 | 197,431 (Direct) | View |
| 2025-11-03 Conversion | 2025-11-05 5:14 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | GUYMAN CHARLOTTE Director | 1,501 | $0 | 3,516 (Direct) | View |
| 2025-11-03 Gift | 2025-11-05 5:14 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | GUYMAN CHARLOTTE Director | 410 | $0 | 3,516 (Direct) | View |
| 2025-10-22 Gift | 2025-10-24 6:40 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 32 | $0 | 107,826 (Direct) | View |
| 2025-09-24 Gift | 2025-09-26 5:31 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | Jain Ajit Vice Chairman Director | 32 | $0 | 122,858 (Direct) | View |
| 2025-07-14 Gift | 2025-07-16 6:46 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 30 | $0 | 199,231 (Direct) | View |
| 2025-06-27 Conversion | 2025-06-30 9:00 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 12,366,739 | $0 | 199,261 (Direct) | View |
| 2025-06-30 Gift | 2025-06-30 9:00 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 11,037,589 | $0 | 199,261 (Direct) | View |
| 2025-05-13 Conversion | 2025-05-15 6:02 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 1,501 | $0 | 207,321 (Direct) | View |
| 2025-05-13 Gift | 2025-05-15 6:02 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | BUFFETT WARREN E Chairman and CEO 10% Owner | 1,326 | $0 | 207,321 (Direct) | View |