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 |
2018-09-27 Purchase |
2023-10-18 7:40 pm |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
1,706 | $0 | $0 | 42,264 (Indirect Direct) |
View |
2018-12-28 Sale |
2023-10-18 7:40 pm |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
555 | $0 | $0 | 42,264 (Indirect Direct) |
View |
2021-12-07 Sale |
2021-12-07 9:47 pm |
Blackstone Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
8,994,846 | $134.45 | $1,209,357,045 | 16,055,951 (Indirect Direct) |
View |
2021-05-19 Sale |
2021-05-20 7:47 pm |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
368,210 | $88.19 | $32,471,692 | 20,497 (Indirect Direct) |
View |
2021-05-14 Sale |
2021-05-18 9:06 pm |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
600,000 | $87.94 | $52,764,136 | 239,635 (Indirect Direct) |
View |
2021-05-12 Sale |
2021-05-13 8:20 pm |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
450,000 | $85.12 | $38,302,423 | 597,529 (Indirect Direct) |
View |
2021-05-10 Sale |
2021-05-11 9:59 pm |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
556,790 | $88.56 | $49,307,676 | 865,949 (Indirect Direct) |
View |
2021-05-05 Sale |
2021-05-07 9:43 pm |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
875,000 | $89.1 | $77,961,942 | 26,228,868 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-10-22 Option Award |
2024-10-24 5:25 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
303 | $0 | 56,403 (Direct) |
View |
2024-01-12 Option Award |
2024-01-12 5:20 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
19 | $0 | 56,100 (Direct) |
View |
2023-10-22 Option Award |
2023-10-24 2:36 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
489 | $0 | 56,081 (Direct) |
View |
Ownership |
2023-10-18 7:40 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director |
0 | $0 | 42,264 (Direct) |
View |
2022-10-22 Option Award |
2022-10-25 4:45 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Chairman of the Board |
565 | $0 | 41,803 (Direct) |
View |
2021-12-03 Conversion |
2021-12-07 9:47 pm |
N/A N/A |
Blackstone Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
8,974,349 | $0 | 16,055,951 (Direct) |
View |
2021-10-22 Option Award |
2021-10-26 4:04 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Chairman of the Board |
561 | $0 | 41,238 (Direct) |
View |
2021-04-30 Gift |
2021-05-07 9:43 pm |
N/A N/A |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
1,000,000 | $0 | 26,228,868 (Direct) |
View |
2021-02-09 Conversion |
2021-02-11 7:59 pm |
N/A N/A |
Blackstone Group Inc | BX | JAMES HAMILTON E Executive Vice Chairman |
2,850,000 | $0 | 27,750,797 (Direct) |
View |
2020-12-11 Option Award |
2020-12-11 1:07 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Chairman of the Board |
34 | $0 | 40,677 (Direct) |
View |
2020-10-22 Option Award |
2020-10-22 8:03 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Chairman of the Board |
719 | $0 | 40,643 (Direct) |
View |