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 |
2024-08-16 Sale | 2024-08-19 2:50 pm | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 45,298 | $146.61 | $6,641,279 | 554,916 (Direct) | View |
2023-08-31 Sale | 2023-09-01 10:11 am | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 19,988 | $131.53 | $2,629,034 | 93,925,702 (Indirect Direct) | View |
2023-08-30 Sale | 2023-08-31 11:36 am | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 20,000 | $134.15 | $2,682,968 | 93,426,062 (Indirect Direct) | View |
2022-05-19 Sale | 2022-05-23 12:07 pm | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 37,876 | $130.38 | $4,938,182 | 93,878,537 (Indirect Direct) | View |
2021-12-02 Sale | 2021-12-06 10:49 am | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $91.85 | $2,827,774 | 93,847,493 (Indirect Direct) | View |
2021-12-01 Sale | 2021-12-03 07:56 am | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $91.75 | $2,824,790 | 93,878,280 (Indirect Direct) | View |
2021-08-11 Purchase | 2021-08-12 11:44 am | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 3,000 | $86.21 | $258,630 | 93,847,493 (Indirect Direct) | View |
2020-11-06 Sale | 2020-11-10 10:05 am | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 55,148 | $72.99 | $4,025,281 | 93,833,210 (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 |
2025-02-21 Option Award | 2025-02-24 2:10 pm | N/A 2035-02-21 | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 82,950 | $0 | 636,379 (Direct) | View |
2025-02-21 Tax Withholding | 2025-02-24 2:10 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 13,390 | $110.54 | 636,379 (Direct) | View |
2025-02-19 Tax Withholding | 2025-02-20 2:30 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 249 | $112.73 | 566,819 (Direct) | View |
2025-02-18 Exercise | 2025-02-20 2:30 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 17,972 | $0 | 566,819 (Direct) | View |
2025-02-19 Tax Withholding | 2025-02-20 2:30 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 5,820 | $111.46 | 566,819 (Direct) | View |
2024-08-16 Exercise | 2024-08-19 2:50 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 45,298 | $68.09 | 554,916 (Direct) | View |
2024-08-16 Exercise | 2024-08-19 2:50 pm | N/A 2025-08-20 | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 45,298 | $0 | 554,916 (Direct) | View |
2024-02-16 Option Award | 2024-02-21 10:28 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO | 39,738 | $0 | 554,916 (Direct) | View |
2024-02-20 Tax Withholding | 2024-02-21 10:28 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO | 2,207 | $137.37 | 554,916 (Direct) | View |
2024-02-20 Tax Withholding | 2024-02-21 10:28 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO | 12 | $135.43 | 554,916 (Direct) | View |
2024-02-20 Tax Withholding | 2024-02-21 10:28 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO | 22,561 | $129.92 | 554,916 (Direct) | View |
2024-02-19 Exercise | 2024-02-21 10:28 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO | 19,810 | $0 | 554,916 (Direct) | View |
2024-02-16 Option Award | 2024-02-20 09:05 am | N/A 2034-02-16 | WESTLAKE CORP | WLK | Chao Albert President & CEO | 60,334 | $0 | 60,334 (Direct) | View |
2023-08-31 Exercise | 2023-09-01 10:11 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 19,988 | $63.98 | 93,925,702 (Direct) | View |
2023-08-31 Exercise | 2023-09-01 10:11 am | N/A 2024-02-14 | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 19,988 | $0 | 93,925,702 (Direct) | View |
2023-08-30 Exercise | 2023-08-31 11:36 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 20,000 | $63.98 | 93,426,062 (Direct) | View |
2023-08-30 Exercise | 2023-08-31 11:36 am | N/A 2024-02-14 | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 20,000 | $0 | 93,426,062 (Direct) | View |
2023-02-17 Option Award(A) | 2023-03-15 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 52,252 | $0 | 93,925,702 (Direct) | View |
2023-03-13 Tax Withholding(A) | 2023-03-15 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 20,867 | $104.32 | 93,925,702 (Direct) | View |
2023-03-13 Tax Withholding(A) | 2023-03-15 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 1,109 | $104.7 | 93,925,702 (Direct) | View |
2023-02-17 Option Award | 2023-02-21 09:07 am | N/A 2033-02-17 | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 61,751 | $0 | 61,751 (Direct) | View |
2023-02-17 Option Award | 2023-02-17 3:36 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 52,252 | $0 | 93,947,678 (Direct) | View |
2023-02-15 Tax Withholding | 2023-02-16 11:39 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 127 | $122.57 | 93,895,426 (Direct) | View |
2023-02-14 Exercise | 2023-02-16 11:39 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 26,048 | $0 | 93,895,426 (Direct) | View |
2023-02-15 Tax Withholding | 2023-02-16 11:39 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 9,032 | $121.86 | 93,895,426 (Direct) | View |
2022-05-19 Exercise | 2022-05-23 12:07 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 37,876 | $45.7 | 93,878,537 (Direct) | View |
2022-05-19 Exercise | 2022-05-23 12:07 pm | N/A 2023-02-15 | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 37,876 | $0 | 93,878,537 (Direct) | View |
2022-02-18 Option Award(A) | 2022-03-15 3:36 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President and CEO 10% Owner | 30,577 | $0 | 93,878,537 (Direct) | View |
2022-03-14 Tax Withholding(A) | 2022-03-15 3:36 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President and CEO 10% Owner | 12,138 | $118.51 | 93,878,537 (Direct) | View |
2022-02-18 Option Award | 2022-02-22 07:02 am | N/A 2032-02-18 | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 74,791 | $0 | 74,791 (Direct) | View |
2022-02-18 Option Award | 2022-02-22 07:02 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President and CEO 10% Owner | 30,577 | $0 | 93,890,675 (Direct) | View |
2022-02-16 Tax Withholding | 2022-02-17 11:34 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 27 | $105.97 | 93,860,098 (Direct) | View |
2022-02-16 Tax Withholding | 2022-02-17 11:34 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 5,722 | $104.96 | 93,860,098 (Direct) | View |
2022-02-15 Exercise | 2022-02-17 11:34 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert President & CEO 10% Owner | 18,354 | $0 | 93,860,098 (Direct) | View |
2021-12-02 Exercise | 2021-12-06 10:49 am | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $30.05 | 93,847,493 (Direct) | View |
2021-12-02 Exercise | 2021-12-06 10:49 am | N/A 2022-02-17 | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $0 | 93,847,493 (Direct) | View |
2021-12-01 Exercise | 2021-12-03 07:56 am | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $30.05 | 93,878,280 (Direct) | View |
2021-12-01 Exercise | 2021-12-03 07:56 am | N/A 2022-02-17 | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 30,787 | $0 | 93,878,280 (Direct) | View |
2021-02-19 Option Award | 2021-02-22 08:31 am | N/A 2031-02-19 | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 87,884 | $0 | 87,884 (Direct) | View |
2021-02-18 Tax Withholding | 2021-02-18 5:29 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 3,685 | $85.08 | 93,844,493 (Direct) | View |
2021-02-16 Exercise | 2021-02-18 5:29 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 11,983 | $0 | 93,844,493 (Direct) | View |
2021-02-16 Tax Withholding | 2021-02-17 2:44 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 10 | $87.69 | 93,836,195 (Direct) | View |
2021-02-16 Tax Withholding | 2021-02-17 2:44 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 971 | $85.73 | 93,836,195 (Direct) | View |
2021-02-14 Exercise | 2021-02-17 2:44 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 3,966 | $0 | 93,836,195 (Direct) | View |
2021-02-16 Tax Withholding | 2021-02-17 1:47 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 10 | $87.69 | 93,836,195 (Direct) | View |
2021-02-16 Tax Withholding | 2021-02-17 1:47 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 971 | $85.73 | 93,836,195 (Direct) | View |
2021-02-14 Exercise | 2021-02-17 1:47 pm | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 3,966 | $0 | 93,836,195 (Direct) | View |
2020-11-06 Exercise | 2020-11-10 10:05 am | N/A 2021-02-18 | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 55,148 | $0 | 93,833,210 (Direct) | View |
2020-11-06 Exercise | 2020-11-10 10:05 am | N/A N/A | WESTLAKE CHEMICAL CORP | WLK | Chao Albert President & CEO 10% Owner | 55,148 | $22.91 | 93,833,210 (Direct) | View |