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 |
| 2026-03-27 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 |
| 2025-12-22 Sale | 2025-12-23 09:37 am | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 40,836 | $73.57 | $3,004,373 | 627,722 (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 |
| 2026-06-15 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 |
| 2026-05-12 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 |
| 2026-05-13 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 |
| 2026-04-02 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 2030-02-14 | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 12,693 | $0 | 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 |
| 2026-02-20 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 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 2:43 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 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 |
| 2026-02-20 Tax Withholding | 2026-02-23 2:40 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 2,501 | $94.1 | 712,588 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:40 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 75,901 | $0 | 712,588 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-23 2:39 pm | N/A N/A | WESTLAKE CORP | WLK | Chao James Senior Chairman | 1,569 | $94.1 | 84,628 (Direct) | View |
| 2026-02-20 Option Award | 2026-02-23 2:39 pm | N/A 2036-02-20 | WESTLAKE CORP | WLK | Chao James Senior Chairman | 38,738 | $0 | 84,628 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:20 pm | N/A N/A | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 977 | $0 | 13,499 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:20 pm | N/A N/A | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 295 | $98.95 | 13,499 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:20 pm | N/A N/A | WESTLAKE CORP | WLK | Holy Jeffrey Adam VP and CAO | 706 | $0 | 4,941 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:20 pm | N/A N/A | WESTLAKE CORP | WLK | Holy Jeffrey Adam VP and CAO | 213 | $98.95 | 4,941 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Ederington L. Benjamin EVP, Legal & External Affairs | 3,809 | $0 | 79,090 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Ederington L. Benjamin EVP, Legal & External Affairs | 978 | $98.95 | 79,090 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao James Senior Chairman | 10,382 | $0 | 47,459 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao James Senior Chairman | 2,664 | $98.95 | 47,459 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao John Tsung-chen Director | 570 | $0 | 7,766 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao John Tsung-chen Director | 242 | $98.95 | 7,766 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 16,555 | $0 | 639,188 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:19 pm | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 5,089 | $98.95 | 639,188 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Buesinger Robert F. EVP, PEM Segment Head | 3,478 | $0 | 37,507 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Buesinger Robert F. EVP, PEM Segment Head | 903 | $98.95 | 37,507 (Direct) | View |
| 2026-02-17 Exercise | 2026-02-19 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 4,751 | $0 | 60,510 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 3:18 pm | N/A N/A | WESTLAKE CORP | WLK | Bender Mark Steven EVP & CFO | 1,209 | $98.95 | 60,510 (Direct) | View |
| 2025-12-22 Exercise | 2025-12-23 09:37 am | N/A 2026-02-18 | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 81,673 | $0 | 627,722 (Direct) | View |
| 2025-12-22 Exercise | 2025-12-23 09:37 am | N/A N/A | WESTLAKE CORP | WLK | Chao Albert Executive Chairman | 81,673 | $44.42 | 627,722 (Direct) | View |
| 2025-12-10 Exercise | 2025-12-10 2:47 pm | N/A N/A | WESTLAKE CORP | WLK | CREGG ROGER A Director | 1,339 | $0 | 1,339 (Direct) | View |
| 2025-10-01 Exercise | 2025-10-03 12:20 pm | N/A N/A | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 10,840 | $0 | 12,817 (Direct) | View |
| 2025-10-02 Tax Withholding | 2025-10-03 12:20 pm | N/A N/A | WESTLAKE CORP | WLK | Szwejbka Scott Thomas SVP, HIP Segment Head | 3,842 | $76.7 | 12,817 (Direct) | View |
| 2025-08-28 Gift | 2025-08-29 07:18 am | N/A N/A | WESTLAKE CORP | WLK | Chao James Senior Chairman | 15,140 | $0 | 39,741 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:18 am | N/A N/A | WESTLAKE CORP | WLK | Graff Michael J Director | 2,168 | $0 | 23,310 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:18 am | N/A N/A | WESTLAKE CORP | WLK | Graff Michael J Director | 1,128 | $0 | 23,310 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:18 am | N/A N/A | WESTLAKE CORP | WLK | Chao Catherine T. Director | 2,168 | $0 | 27,171 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:18 am | N/A N/A | WESTLAKE CORP | WLK | Chao Catherine T. Director | 1,128 | $0 | 27,171 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:17 am | N/A N/A | WESTLAKE CORP | WLK | Chao David Tsung-Hung Director | 2,168 | $0 | 30,503 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:17 am | N/A N/A | WESTLAKE CORP | WLK | Chao David Tsung-Hung Director | 1,128 | $0 | 30,503 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:17 am | N/A N/A | WESTLAKE CORP | WLK | NORTHCUTT R BRUCE Director | 2,168 | $0 | 23,351 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:17 am | N/A N/A | WESTLAKE CORP | WLK | NORTHCUTT R BRUCE Director | 1,128 | $0 | 23,351 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | Sabat Carolyn Chao Director | 2,168 | $0 | 5,748 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | Sabat Carolyn Chao Director | 1,128 | $0 | 5,748 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | MCCOLLUM MARK A Director | 2,168 | $0 | 11,824 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | MCCOLLUM MARK A Director | 1,128 | $0 | 11,824 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | Lubel Kimberly S Director | 2,168 | $0 | 13,821 (Direct) | View |
| 2025-08-09 Exercise | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | Lubel Kimberly S Director | 1,128 | $0 | 13,821 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 10:16 am | N/A N/A | WESTLAKE CORP | WLK | CREGG ROGER A Director | 2,168 | $0 | 2,168 (Direct) | View |