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 |
2023-11-30 Sale |
2023-12-01 2:23 pm |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
68,213 | $128.49 | $8,764,958 | 93,499,175 (Indirect Direct) |
View |
2023-08-31 Sale |
2023-09-01 10:12 am |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
244,591 | $131.25 | $32,102,691 | 93,502,525 (Indirect Direct) |
View |
2023-08-30 Sale |
2023-08-31 2:36 pm |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
30,056 | $133.7 | $4,018,577 | 93,573,763 (Indirect Direct) |
View |
2022-05-31 Sale |
2022-06-02 1:58 pm |
Westlake Chemical Partners LP | WLKP | Chao James Chairman 10% Owner |
31,092 | $26.91 | $836,695 | 15,556,480 (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 Tax Withholding |
2025-02-24 2:11 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
6,554 | $110.54 | 104,375 (Direct) |
View |
2025-02-21 Option Award |
2025-02-24 2:11 pm |
N/A 2035-02-21 |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
65,869 | $0 | 104,375 (Direct) |
View |
2025-02-19 Tax Withholding |
2025-02-20 2:34 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
2,193 | $111.46 | 45,060 (Direct) |
View |
2025-02-19 Tax Withholding |
2025-02-20 2:34 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
94 | $112.76 | 45,060 (Direct) |
View |
2025-02-18 Exercise |
2025-02-20 2:34 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
8,796 | $0 | 45,060 (Direct) |
View |
2024-08-30 Gift |
2024-09-03 09:39 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Senior Chairman |
6,642 | $0 | 38,551 (Direct) |
View |
2024-03-28 Gift |
2024-04-01 06:26 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
36,632 | $0 | 45,193 (Direct) |
View |
2024-02-20 Tax Withholding |
2024-02-21 10:28 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
1,153 | $136.97 | 81,825 (Direct) |
View |
2024-02-20 Tax Withholding |
2024-02-21 10:28 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
10 | $135.43 | 81,825 (Direct) |
View |
2024-02-19 Exercise |
2024-02-21 10:28 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
10,774 | $0 | 81,825 (Direct) |
View |
2024-02-16 Option Award |
2024-02-21 10:28 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
21,614 | $0 | 81,825 (Direct) |
View |
2024-02-20 Tax Withholding |
2024-02-21 10:28 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman |
11,799 | $129.92 | 81,825 (Direct) |
View |
2024-02-16 Option Award |
2024-02-20 09:11 am |
N/A 2034-02-16 |
WESTLAKE CORP | WLK | Chao James Chairman |
34,360 | $0 | 34,360 (Direct) |
View |
2023-11-30 Exercise |
2023-12-01 2:23 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
34,599 | $65.81 | 93,499,175 (Direct) |
View |
2023-11-30 Exercise |
2023-12-01 2:23 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
9,177 | $108.12 | 93,499,175 (Direct) |
View |
2023-11-30 Exercise |
2023-12-01 2:23 pm |
N/A 2030-02-14 |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
68,173 | $0 | 93,499,175 (Direct) |
View |
2023-11-30 Exercise |
2023-12-01 2:23 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
24,437 | $86.54 | 93,499,175 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
43,738 | $65.81 | 93,502,525 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
62,197 | $61.87 | 93,502,525 (Direct) |
View |
2023-08-31 Gift |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
58,268 | $0 | 93,502,525 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
35,321 | $107.75 | 93,502,525 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
47,569 | $44.42 | 93,502,525 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
55,766 | $79.83 | 93,502,525 (Direct) |
View |
2023-08-31 Exercise |
2023-09-01 10:12 am |
N/A 2026-02-18 |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
244,591 | $0 | 93,502,525 (Direct) |
View |
2023-08-30 Exercise |
2023-08-31 2:36 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
17,735 | $44.42 | 93,573,763 (Direct) |
View |
2023-08-30 Exercise |
2023-08-31 2:36 pm |
N/A 2025-02-20 |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
30,056 | $0 | 93,573,763 (Direct) |
View |
2023-08-30 Exercise |
2023-08-31 2:36 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
12,321 | $68.09 | 93,573,763 (Direct) |
View |
2023-03-13 Tax Withholding(A) |
2023-03-15 3:19 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
14,836 | $104.32 | 93,526,194 (Direct) |
View |
2023-03-13 Tax Withholding(A) |
2023-03-15 3:19 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
789 | $105.13 | 93,526,194 (Direct) |
View |
2023-02-17 Option Award(A) |
2023-03-15 3:19 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
37,150 | $0 | 93,526,194 (Direct) |
View |
2023-02-17 Option Award |
2023-02-21 09:08 am |
N/A 2033-02-17 |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
38,726 | $0 | 38,726 (Direct) |
View |
2023-02-17 Option Award |
2023-02-17 3:37 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
37,150 | $0 | 93,541,819 (Direct) |
View |
2023-02-15 Tax Withholding |
2023-02-16 11:39 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
85 | $122.45 | 93,504,669 (Direct) |
View |
2023-02-15 Tax Withholding |
2023-02-16 11:39 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
6,074 | $121.86 | 93,504,669 (Direct) |
View |
2023-02-14 Exercise |
2023-02-16 11:39 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
18,519 | $0 | 93,504,669 (Direct) |
View |
2022-06-09 Gift |
2022-06-13 07:18 am |
N/A N/A |
Westlake Chemical Partners LP | WLKP | Chao James Chairman 10% Owner |
10,000 | $0 | 15,546,480 (Direct) |
View |
2022-06-02 Gift |
2022-06-02 10:17 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
38,836 | $0 | 93,492,309 (Direct) |
View |
2022-02-18 Option Award(A) |
2022-03-15 3:38 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
24,461 | $0 | 93,531,145 (Direct) |
View |
2022-03-14 Tax Withholding(A) |
2022-03-15 3:38 pm |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
9,710 | $118.51 | 93,531,145 (Direct) |
View |
2022-02-18 Option Award |
2022-02-22 07:04 am |
N/A 2032-02-18 |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
36,606 | $0 | 36,606 (Direct) |
View |
2022-02-18 Option Award |
2022-02-22 07:03 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
24,462 | $0 | 93,540,856 (Direct) |
View |
2022-02-16 Tax Withholding |
2022-02-17 11:36 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
20 | $106.18 | 93,516,394 (Direct) |
View |
2022-02-16 Tax Withholding |
2022-02-17 11:36 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
27 | $105.97 | 93,516,394 (Direct) |
View |
2022-02-15 Exercise |
2022-02-17 11:36 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
14,683 | $0 | 93,516,394 (Direct) |
View |
2022-02-16 Tax Withholding |
2022-02-17 11:36 am |
N/A N/A |
WESTLAKE CORP | WLK | Chao James Chairman 10% Owner |
4,308 | $104.96 | 93,516,394 (Direct) |
View |
2021-12-02 Exercise |
2021-12-03 07:56 am |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
16,420 | $30.05 | 92,111,066 (Direct) |
View |
2021-12-02 Exercise |
2021-12-03 07:56 am |
N/A 2022-02-17 |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
16,420 | $0 | 92,111,066 (Direct) |
View |
2021-02-19 Option Award |
2021-02-22 08:32 am |
N/A 2031-02-19 |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
47,800 | $0 | 47,800 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 5:27 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
9,480 | $0 | 93,489,646 (Direct) |
View |
2021-02-18 Tax Withholding |
2021-02-18 5:27 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
2,537 | $85.08 | 93,489,646 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-17 2:01 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
784 | $85.73 | 93,482,703 (Direct) |
View |
2021-02-14 Exercise |
2021-02-17 2:01 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
3,072 | $0 | 93,482,703 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-17 2:01 pm |
N/A N/A |
WESTLAKE CHEMICAL CORP | WLK | Chao James Chairman 10% Owner |
8 | $87.7 | 93,482,703 (Direct) |
View |