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>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2023-10-22 Option Award | 2023-10-24 2:41 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 489 | $0 | 187,669 (Direct) | View |
| 2023-10-05 Gift | 2023-10-05 4:09 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 77 | $0 | 4,676 (Direct) | View |
| 2023-03-09 Gift | 2023-08-15 9:54 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 60 | $0 | 4,753 (Direct) | View |
| 2022-10-22 Option Award | 2022-10-25 4:02 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 565 | $0 | 187,180 (Direct) | View |
| 2022-06-16 Other | 2022-06-17 11:09 am | N/A N/A | DAILY JOURNAL CORP | DJCO | MUNGER CHARLES T Director | 3,720 | $0 | 50,000 (Direct) | View |
| 2022-05-16 Gift | 2022-06-16 12:36 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 100 | $0 | 4,170 (Direct) | View |
| 2021-12-22 Gift | 2022-01-07 7:13 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 100 | $0 | 4,270 (Direct) | View |
| 2021-10-22 Option Award | 2021-10-26 4:06 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 561 | $0 | 186,615 (Direct) | View |
| 2021-09-10 Gift | 2021-09-20 4:12 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 40 | $0 | 5,013 (Direct) | View |
| 2021-04-26 Gift | 2021-05-03 5:10 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 40 | $0 | 5,053 (Direct) | View |
| 2021-04-07 Gift | 2021-04-12 4:34 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 115 | $0 | 5,093 (Direct) | View |
| 2020-12-02 Gift | 2020-12-21 4:41 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 40 | $0 | 5,208 (Direct) | View |
| 2020-12-11 Option Award | 2020-12-11 1:08 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 34 | $0 | 186,054 (Direct) | View |
| 2020-10-22 Option Award | 2020-10-22 8:05 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 719 | $0 | 186,020 (Direct) | View |
| 2020-09-22 Gift | 2020-09-25 7:00 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 20 | $0 | 5,248 (Direct) | View |
| 2020-06-15 Gift | 2020-06-17 4:45 pm | N/A N/A | BERKSHIRE HATHAWAY INC | BRK-A | MUNGER CHARLES T Vice Chairman Director | 20 | $0 | 5,268 (Direct) | View |