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 |
2024-11-29 Sale |
2024-12-02 07:49 am |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director |
1,750 | $129.08 | $225,888 | 27,207 (Indirect Direct) |
View |
2024-11-22 Sale |
2024-11-25 08:21 am |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director |
1,750 | $130 | $227,500 | 28,957 (Indirect Direct) |
View |
2023-08-23 Sale |
2023-08-24 07:40 am |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,000 | $131 | $131,000 | 93,415,702 (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 |
2024-08-11 Exercise |
2024-08-12 11:23 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director |
1,136 | $0 | 31,835 (Direct) |
View |
2024-08-09 Option Award |
2024-08-12 11:23 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director |
1,128 | $0 | 31,835 (Direct) |
View |
2023-08-31 Gift |
2023-09-01 10:15 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
19,423 | $0 | 93,424,977 (Indirect) |
View |
2023-08-12 Exercise |
2023-08-14 09:15 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,446 | $0 | 93,417,838 (Direct) |
View |
2023-08-11 Option Award |
2023-08-14 09:15 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,136 | $0 | 93,417,838 (Direct) |
View |
2022-08-13 Exercise |
2022-08-15 3:23 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,763 | $0 | 93,416,702 (Direct) |
View |
2022-08-12 Option Award |
2022-08-15 3:23 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,446 | $0 | 93,416,702 (Direct) |
View |
2021-08-14 Exercise |
2021-08-16 1:55 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
2,400 | $0 | 93,415,256 (Direct) |
View |
2021-08-13 Option Award |
2021-08-16 1:55 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
1,763 | $0 | 93,415,256 (Direct) |
View |
2020-08-16 Exercise |
2020-08-17 12:20 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
2,387 | $0 | 93,413,493 (Direct) |
View |
2020-08-14 Option Award |
2020-08-17 12:20 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao David Tsung-Hung Director 10% Owner |
2,400 | $0 | 93,413,493 (Direct) |
View |