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 |
| 2026-08-11 Sale | 2026-08-11 5:45 pm | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 38,873 | $80.28 | $3,120,775 | 681,753 (Direct) | View |
| 2026-03-27 Sale | 2026-03-31 09:48 am | WESTLAKE CORP | WLK | Buesinger Robert F. EVP, PEM Segment Head | 4,000 | $115.25 | $461,000 | 34,482 (Direct) | View |
| 2026-03-27 Sale | 2026-03-30 4:10 pm | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 16,413 | $112.53 | $1,847,037 | 28,015 (Direct) | View |
| 2026-02-27 Sale | 2026-03-02 11:35 am | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 30,102 | $99.78 | $3,003,449 | 44,433 (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 |
| 2026-08-31 Option Award | 2026-09-01 07:14 am | N/A N/A | WESTLAKE CORP | WLK | Darby Tommy VP and CAO | 1,791 | $0 | 1,791 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:28 pm | N/A N/A | WESTLAKE CORP | WLK | Sheets Jeffrey Wayne Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:28 pm | N/A N/A | WESTLAKE CORP | WLK | Sabat Carolyn Chao Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:27 pm | N/A N/A | WESTLAKE CORP | WLK | Patel Bhavesh V. Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:27 pm | N/A N/A | WESTLAKE CORP | WLK | NORTHCUTT R BRUCE Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:27 pm | N/A N/A | WESTLAKE CORP | WLK | MCCOLLUM MARK A Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:26 pm | N/A N/A | WESTLAKE CORP | WLK | Lubel Kimberly S Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:26 pm | N/A N/A | WESTLAKE CORP | WLK | Graff Michael J Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:25 pm | N/A N/A | WESTLAKE CORP | WLK | CREGG ROGER A Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:25 pm | N/A N/A | WESTLAKE CORP | WLK | Chao David Tsung-Hung Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-14 Option Award | 2026-08-17 12:25 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Catherine T. Director | 2,184 | $0 | 2,184 (Direct) | View |
| 2026-08-11 Exercise | 2026-08-11 5:45 pm | N/A 2027-02-17 | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 38,873 | $0 | 681,753 (Direct) | View |
| 2026-08-11 Exercise | 2026-08-11 5:45 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 38,873 | $61.87 | 681,753 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:54 pm | N/A N/A | WESTLAKE CORP | WLK | Sheets Jeffrey Wayne Director | 2,168 | $0 | 17,095 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:53 pm | N/A N/A | WESTLAKE CORP | WLK | Sabat Carolyn Chao Director | 2,168 | $0 | 7,916 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:53 pm | N/A N/A | WESTLAKE CORP | WLK | NORTHCUTT R BRUCE Director | 2,168 | $0 | 25,519 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:52 pm | N/A N/A | WESTLAKE CORP | WLK | MCCOLLUM MARK A Director | 2,168 | $0 | 13,992 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:52 pm | N/A N/A | WESTLAKE CORP | WLK | Lubel Kimberly S Director | 2,168 | $0 | 15,989 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:51 pm | N/A N/A | WESTLAKE CORP | WLK | Graff Michael J Director | 2,168 | $0 | 25,478 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:51 pm | N/A N/A | WESTLAKE CORP | WLK | CREGG ROGER A Director | 2,168 | $0 | 5,675 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:50 pm | N/A N/A | WESTLAKE CORP | WLK | Chao David Tsung-Hung Director | 2,168 | $0 | 32,671 (Direct) | View |
| 2026-08-08 Exercise | 2026-08-10 1:50 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Catherine T. Director | 2,168 | $0 | 29,339 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-16 11:25 am | N/A N/A | WESTLAKE CORP | WLK | Baksht Jonathan SVP and CFO | 20,580 | $0 | 20,580 (Direct) | View |
| 2026-05-13 Tax Withholding | 2026-05-14 12:33 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 5,284 | $97.34 | 35,895 (Direct) | View |
| 2026-05-12 Exercise | 2026-05-14 12:33 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 13,164 | $0 | 35,895 (Direct) | View |
| 2026-04-02 Option Award | 2026-04-06 08:02 am | N/A N/A | WESTLAKE CORP | WLK | Powers Brian John SVP, PEM Segment Head | 1,961 | $0 | 1,961 (Direct) | View |
Ownership | 2026-04-02 3:13 pm | N/A N/A | WESTLAKE CORP | WLK | Powers Brian John SVP, PEM Segment Head | 0 | $0 | 9,760 (Direct) | View |
| 2022-02-16 Tax Withholding(A) | 2026-03-06 3:16 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 1,171 | $104.96 | 25,608 (Direct) | View |
| 2026-02-27 Exercise | 2026-03-02 11:35 am | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 6,199 | $65.81 | 44,433 (Direct) | View |
| 2026-02-27 Exercise | 2026-03-02 11:35 am | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 6,494 | $86.54 | 44,433 (Direct) | View |
| 2026-02-27 Exercise | 2026-03-02 11:35 am | N/A 2030-02-14 | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 12,693 | $0 | 44,433 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-24 06:51 am | N/A N/A | WESTLAKE CORP | WLK | Patel Bhavesh V. Director | 1,852 | $0 | 1,852 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:45 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 18,943 | $0 | 32,351 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:45 pm | N/A N/A | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 91 | $94.1 | 32,351 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:45 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Holy Jeffrey Adam VP and CAO | 8,397 | $0 | 13,257 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:45 pm | N/A N/A | WESTLAKE CORP | WLK | Holy Jeffrey Adam VP and CAO | 81 | $94.1 | 13,257 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:44 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Gilson Jean-Marc President and CEO | 138,923 | $0 | 138,923 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:44 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Ederington L. Benjamin EVP, Legal & External Affairs | 34,083 | $0 | 112,816 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:44 pm | N/A N/A | WESTLAKE CORP | WLK | Ederington L. Benjamin EVP, Legal & External Affairs | 357 | $94.1 | 112,816 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:43 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Buesinger Robert F. EVP, PEM Segment Head | 25,933 | $0 | 63,114 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:43 pm | N/A N/A | WESTLAKE CORP | WLK | Buesinger Robert F. EVP, PEM Segment Head | 326 | $94.1 | 63,114 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:42 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 37,913 | $0 | 97,978 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:42 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 445 | $94.1 | 97,978 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:41 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Chao John Tsung-chen Director | 7,795 | $0 | 15,470 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:41 pm | N/A N/A | WESTLAKE CORP | WLK | Chao John Tsung-chen Director | 91 | $94.1 | 15,470 (Direct) | View |