We provide you with 20 years of free, institutional-grade data for WLK stock, allowing you to gain comprehensive visibility into the fundamentals of the company. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of WLK. Explore the full financial landscape of WLK stock.
Total insider purchase within 3 month on this page: $0
Total insider selling within 3 month on this page: -$0
| Name | Action | Shares | Avg Price | Amount | Reported Date |
|---|---|---|---|---|---|
| Sabat Carolyn Chao | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| MCCOLLUM MARK A | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Lubel Kimberly S | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Sheets Jeffrey Wayne | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Chao Catherine T. | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Graff Michael J | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| NORTHCUTT R BRUCE | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Chao David Tsung-Hung | Derivatives Exercise | 1,128 | 2025-08-11 | ||
| Buesinger Robert F. | Sale | -83 | $72.7 | $6,034 | 2025-06-09 |
| Buesinger Robert F. | Open Market Purchase | 83 | $93.39 | 2025-06-09 | |
| Szwejbka Scott Thomas | Initial | 2025-04-14 | |||
| Chao John Tsung-chen | Sale | -391 | $108.62 | $42,470 | 2025-03-07 |
| Chao John Tsung-chen | Grant, award...etc | 955 | 2025-03-07 | ||
| Chao John Tsung-chen | Sale | -235 | $108.62 | $25,526 | 2025-03-06 |
| Chao John Tsung-chen | Derivatives Exercise | 513 | 2025-03-06 | ||
| Bender Mark Steven | Sale | -3,530 | $110.54 | $390,206 | 2025-02-24 |
| Bender Mark Steven | Grant, award...etc | 8,819 | 2025-02-24 | ||
| Janssens Thomas J. | Sale | -606 | $110.54 | $66,987 | 2025-02-24 |
| Janssens Thomas J. | Grant, award...etc | 2,444 | 2025-02-24 | ||
| Ederington L. Benjamin | Sale | -2,924 | $110.54 | $323,219 | 2025-02-24 |
| Ederington L. Benjamin | Grant, award...etc | 7,305 | 2025-02-24 | ||
| Chao James | Sale | -6,554 | $110.54 | $724,479 | 2025-02-24 |
| Chao James | Grant, award...etc | 16,375 | 2025-02-24 | ||
| Buesinger Robert F. | Sale | -2,738 | $110.54 | $302,659 | 2025-02-24 |
| Buesinger Robert F. | Grant, award...etc | 6,839 | 2025-02-24 | ||
| Chao Albert | Sale | -13,390 | $110.54 | $1,480,131 | 2025-02-24 |
| Chao Albert | Grant, award...etc | 33,456 | 2025-02-24 | ||
| Holy Jeffrey Adam | Sale | -341 | $110.54 | $37,694 | 2025-02-24 |
| Holy Jeffrey Adam | Grant, award...etc | 1,306 | 2025-02-24 | ||
| Chao John Tsung-chen | Grant, award...etc | 955 | 2025-02-24 | ||
| Bender Mark Steven | Sale | -4,446 | $111.46 | $495,551 | 2025-02-20 |
| Bender Mark Steven | Derivatives Exercise | 13,987 | 2025-02-20 | ||
| Janssens Thomas J. | Sale | -336 | $111.46 | $37,451 | 2025-02-20 |
| Janssens Thomas J. | Derivatives Exercise | 1,313 | 2025-02-20 | ||
| Holy Jeffrey Adam | Sale | -219 | $111.46 | $24,410 | 2025-02-20 |
| Holy Jeffrey Adam | Derivatives Exercise | 702 | 2025-02-20 | ||
| Chao Albert | Sale | -6,069 | $111.46 | $676,451 | 2025-02-20 |
| Chao Albert | Derivatives Exercise | 17,972 | 2025-02-20 | ||
| Chao James | Sale | -2,287 | $111.46 | $254,909 | 2025-02-20 |
| Chao James | Derivatives Exercise | 8,796 | 2025-02-20 | ||
| Ederington L. Benjamin | Sale | -5,268 | $111.46 | $587,171 | 2025-02-20 |
| Ederington L. Benjamin | Derivatives Exercise | 13,174 | 2025-02-20 | ||
| Chao John Tsung-chen | Derivatives Exercise | 513 | 2025-02-20 | ||
| Buesinger Robert F. | Sale | -4,015 | $111.46 | $447,512 | 2025-02-20 |
| Buesinger Robert F. | Derivatives Exercise | 12,923 | 2025-02-20 | ||
| Janssens Thomas J. | Sale | -790 | $115.29 | $91,079 | 2025-02-19 |
| Janssens Thomas J. | Derivatives Exercise | 3,039 | 2025-02-19 | ||
| Ederington L. Benjamin | Sale | -1,895 | $115.29 | $218,475 | 2025-02-19 |
| Ederington L. Benjamin | Derivatives Exercise | 7,597 | 2025-02-19 | ||
| Chao David Tsung-Hung | Sale | -1,750 | $129.08 | $225,888 | 2024-12-02 |
| Chao David Tsung-Hung | Sale | -1,750 | $130 | $227,500 | 2024-11-25 |
| Janssens Thomas J. | Derivatives Exercise | 14,864 | 2024-08-26 | ||
| Chao Albert | Derivatives Exercise | 45,298 | 2024-08-19 | ||
| Buesinger Robert F. | Sale | -2,772 | $145.44 | $403,160 | 2024-08-15 |
| Buesinger Robert F. | Derivatives Exercise | 7,051 | 2024-08-15 | ||
| Ederington L. Benjamin | Sale | -1,156 | $145.44 | $168,129 | 2024-08-15 |
| Ederington L. Benjamin | Derivatives Exercise | 2,938 | 2024-08-15 | ||
| Bender Mark Steven | Sale | -1,156 | $145.44 | $168,129 | 2024-08-15 |
| Bender Mark Steven | Derivatives Exercise | 2,938 | 2024-08-15 | ||
| Chao Catherine T. | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Sheets Jeffrey Wayne | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| NORTHCUTT R BRUCE | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| MCCOLLUM MARK A | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Lubel Kimberly S | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Haas Marius | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Graff Michael J | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Chao David Tsung-Hung | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Sabat Carolyn Chao | Derivatives Exercise | 1,136 | 2024-08-12 | ||
| Buesinger Robert F. | Sale | -3,500 | $158.5 | $554,750 | 2024-05-13 |
| Chao Catherine T. | Derivatives Exercise | 1,316 | 2024-05-13 | ||
| Sabat Carolyn Chao | Derivatives Exercise | 1,316 | 2024-05-13 | ||
| Buesinger Robert F. | Derivatives Exercise | 3,133 | 2024-05-08 | ||
| Bender Mark Steven | Sale | -4,950 | $152.19 | $753,341 | 2024-05-06 |
| Holy Jeffrey Adam | Initial | 2024-05-02 | |||
| Zoeller Johnathan Stevan | Derivatives Exercise | 657 | 2024-03-22 | ||
| Buesinger Robert F. | Sale | -3,878 | $144.5 | $560,371 | 2024-03-18 |
| Buesinger Robert F. | Sale | -122 | $144.5 | $17,629 | 2024-03-14 |
| Buesinger Robert F. | Derivatives Exercise | 12,670 | 2024-03-11 | ||
| Zoeller Johnathan Stevan | Derivatives Exercise | 2,776 | 2024-03-11 | ||
| Bender Mark Steven | Sale | -4,804 | $141.02 | $677,455 | 2024-03-07 |
| Bender Mark Steven | Sale | -4,854 | $137.57 | $667,765 | 2024-02-28 |
| Janssens Thomas J. | Sale | -984 | $129.92 | $127,841 | 2024-02-21 |
| Janssens Thomas J. | Derivatives Exercise | 1,170 | 2024-02-21 | ||
| Janssens Thomas J. | Grant, award...etc | 2,346 | 2024-02-21 | ||
| Chao Albert | Sale | -24,780 | $129.92 | $3,219,418 | 2024-02-21 |
| Chao Albert | Derivatives Exercise | 19,810 | 2024-02-21 | ||
| Chao Albert | Grant, award...etc | 39,738 | 2024-02-21 | ||
| Chao James | Sale | -12,962 | $129.92 | $1,684,023 | 2024-02-21 |
| Chao James | Derivatives Exercise | 10,774 | 2024-02-21 | ||
| Chao James | Grant, award...etc | 21,614 | 2024-02-21 | ||
| Ederington L. Benjamin | Sale | -4,618 | $129.92 | $599,971 | 2024-02-21 |
| Ederington L. Benjamin | Derivatives Exercise | 4,388 | 2024-02-21 | ||
| Ederington L. Benjamin | Grant, award...etc | 8,802 | 2024-02-21 | ||
| Buesinger Robert F. | Sale | -4,485 | $129.92 | $582,691 | 2024-02-21 |
| Buesinger Robert F. | Derivatives Exercise | 4,283 | 2024-02-21 | ||
| Buesinger Robert F. | Grant, award...etc | 8,592 | 2024-02-21 | ||
| Bender Mark Steven | Sale | -6,144 | $129.92 | $798,228 | 2024-02-21 |
| Bender Mark Steven | Derivatives Exercise | 5,558 | 2024-02-21 | ||
| Bender Mark Steven | Grant, award...etc | 11,150 | 2024-02-21 | ||
| Zoeller Johnathan Stevan | Sale | -746 | $129.92 | $96,920 | 2024-02-21 |
| Zoeller Johnathan Stevan | Derivatives Exercise | 866 | 2024-02-21 | ||
| Zoeller Johnathan Stevan | Grant, award...etc | 1,736 | 2024-02-21 | ||
| Chao James | Derivatives Exercise | 68,213 | 2023-12-01 | ||
| Buesinger Robert F. | Sale | -4,215 | $130.5 | $550,058 | 2023-11-17 |
| Chao James | Derivatives Exercise | 244,591 | 2023-09-01 | ||
| Chao Albert | Derivatives Exercise | 19,988 | 2023-09-01 | ||
| Chao James | Derivatives Exercise | 30,056 | 2023-08-31 | ||
| Ederington L. Benjamin | Derivatives Exercise | 13,734 | 2023-08-31 | ||
| Chao Albert | Derivatives Exercise | 20,000 | 2023-08-31 | ||
| Buesinger Robert F. | Derivatives Exercise | 4,857 | 2023-08-31 | ||
| Buesinger Robert F. | Derivatives Exercise | 8,100 | 2023-08-30 | ||
| Janssens Thomas J. | Derivatives Exercise | 3,855 | 2023-08-30 | ||
| Chao David Tsung-Hung | Sale | -1,000 | $131 | $131,000 | 2023-08-24 |
| Zoeller Johnathan Stevan | Sale | -144 | $132.11 | $19,024 | 2023-08-15 |
| Zoeller Johnathan Stevan | Derivatives Exercise | 588 | 2023-08-15 | ||
| Sheets Jeffrey Wayne | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| NORTHCUTT R BRUCE | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| MCCOLLUM MARK A | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| Lubel Kimberly S | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| Graff Michael J | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| Haas Marius | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| Chao David Tsung-Hung | Derivatives Exercise | 1,446 | 2023-08-14 | ||
| Bender Mark Steven | Derivatives Exercise | 24,639 | 2023-08-09 | ||
| Zoeller Johnathan Stevan | Derivatives Exercise | 1,963 | 2023-05-22 | ||
| Chao Catherine T. | Initial | 2023-05-11 | |||
| Bender Mark Steven | Derivatives Exercise | 1,084 | 2023-05-10 |
The information provided in this report about WLK stock is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.
Westlake Chemical Corporation(NYSE:WLK) 
Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chlori...
Website: http://www.westlake.com
Founded: 1986
Full Time Employees: 9,430
Sector: Basic Materials
Industry: Specialty Chemicals