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| SEC Filing | Insider | Company | Trade Date | Transaction | Shares | Avg. Price | Total | % Holdings | Return |
|---|---|---|---|---|---|---|---|---|---|
| 03-Sep-24 9:39 AM View:  | Chao James Senior Chairman Director | Westlake Chemical Corp. (WLK) | 30-Aug-24 | Gift | 6,642 | -- | -- | (15%) 45.19K to 38.55K | |
| 26-Aug-24 9:40 AM View: | Janssens Thomas J. SVP, Ops - PEM & Corp Logistic | Westlake Chemical Corp. (WLK) | 23-Aug-24 | Disposition | 14,864 | $149.48 | $2,221,930.00 | (55%) 26.93K to 12.06K | |
| 26-Aug-24 9:40 AM View: | Janssens Thomas J. SVP, Ops - PEM & Corp Logistic | Westlake Chemical Corp. (WLK) | 23-Aug-24 | Option Exercise | 14,864 | $75.51 | $1,122,350.00 | 123% 12.06K to 26.93K | |
| 19-Aug-24 2:50 PM View: | Chao Albert Executive Chairman Director | Westlake Chemical Corp. (WLK) | 16-Aug-24 | Option Exercise | 45,298 | $68.09 | $3,084,340.00 | 8% 554.92K to 600.21K | |
| 19-Aug-24 2:50 PM View: | Chao Albert Executive Chairman Director | Westlake Chemical Corp. (WLK) | 16-Aug-24 | Disposition | 45,298 | $146.61 | $6,641,280.00 | (8%) 600.21K to 554.92K | |
| 15-Aug-24 11:00 AM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 14-Aug-24 | Payment of Exercise | 1,156 | $145.44 | $168,129.00 | (3%) 43.29K to 42.14K | |
| 15-Aug-24 11:00 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 14-Aug-24 | Payment of Exercise | 2,772 | $145.44 | $403,160.00 | (11%) 24.7K to 21.92K | |
| 15-Aug-24 11:00 AM View: | Ederington L. Benjamin EVP, PEM, GC and CAO | Westlake Chemical Corp. (WLK) | 14-Aug-24 | Payment of Exercise | 1,156 | $145.44 | $168,129.00 | (2%) 59.43K to 58.27K | |
| 15-Aug-24 11:00 AM View: | Ederington L. Benjamin EVP, PEM, GC and CAO | Westlake Chemical Corp. (WLK) | 13-Aug-24 | Option Exercise | 2,938 | -- | -- | 5% 56.49K to 59.43K | |
| 15-Aug-24 11:00 AM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 13-Aug-24 | Option Exercise | 2,938 | -- | -- | 7% 40.36K to 43.29K | |
| 15-Aug-24 11:00 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 13-Aug-24 | Option Exercise | 7,051 | -- | -- | 40% 17.64K to 24.7K | |
| 12-Aug-24 11:26 AM View: | Sabat Carolyn Chao Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 86% 1.32K to 2.45K | |
| 12-Aug-24 11:24 AM View: | Haas Marius Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 11% 10.49K to 11.63K | |
| 12-Aug-24 11:25 AM View: | Bowers Kimberly S. Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 12% 9.39K to 10.53K | |
| 12-Aug-24 11:26 AM View: | Chao Catherine T. Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 5% 22.74K to 23.88K | |
| 12-Aug-24 11:23 AM View: | Chao David Tsung-Hung Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 4% 29.57K to 30.71K | |
| 12-Aug-24 11:24 AM View: | Graff Michael J Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 6% 18.88K to 20.01K | |
| 12-Aug-24 11:25 AM View: | Northcutt R Bruce Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 6% 18.92K to 20.05K | |
| 12-Aug-24 11:24 AM View: | McCollum Mark A Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 15% 7.39K to 8.53K | |
| 12-Aug-24 11:26 AM View: | Sheets Jeffrey Wayne Director | Westlake Chemical Corp. (WLK) | 11-Aug-24 | Option Exercise | 1,136 | -- | -- | 11% 10.49K to 11.63K | |
| 13-May-24 9:22 AM View: | Chao Catherine T. Director | Westlake Chemical Corp. (WLK) | 12-May-24 | Option Exercise | 1,316 | -- | -- | 6% 21.42K to 22.74K | |
| 13-May-24 9:25 AM View: | Sabat Carolyn Chao Director | Westlake Chemical Corp. (WLK) | 12-May-24 | Option Exercise | 1,316 | -- | -- | 100% 0 to 1.32K | |
| 13-May-24 11:24 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 09-May-24 | Private Sale | 3,500 | $158.50 | $554,750.00 | (17%) 21.14K to 17.64K | |
| 08-May-24 1:15 PM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 07-May-24 | Option Exercise | 3,133 | $122.65 | $384,262.00 | 15% 21.14K to 24.28K | |
| 08-May-24 1:15 PM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 07-May-24 | Disposition | 3,133 | $157.50 | $493,448.00 | (13%) 24.28K to 21.14K | |
| 06-May-24 9:21 AM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 03-May-24 | Private Sale | 4,950 | $152.19 | $753,340.00 | (11%) 45.31K to 40.36K | |
| 01-Apr-24 6:26 AM View: | Chao James Chairman Director | Westlake Chemical Corp. (WLK) | 28-Mar-24 | Gift | 36,632 | -- | -- | (45%) 81.83K to 45.19K | |
| 22-Mar-24 2:55 PM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 21-Mar-24 | Disposition | 657 | $150.57 | $98,921.20 | (13%) 5.07K to 4.42K | |
| 22-Mar-24 2:55 PM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 21-Mar-24 | Option Exercise | 657 | $100.00 | $65,698.60 | 15% 4.42K to 5.07K | 2% |
| 18-Mar-24 10:09 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 15-Mar-24 | Private Sale | 3,878 | $144.50 | $560,371.00 | (15%) 25.02K to 21.14K | |
| 14-Mar-24 10:53 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 13-Mar-24 | Private Sale | 122 | $144.50 | $17,629.00 | (< 1%) 25.14K to 25.02K | |
| 11-Mar-24 9:03 AM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 08-Mar-24 | Disposition | 2,776 | $142.09 | $394,442.00 | (39%) 7.19K to 4.42K | |
| 11-Mar-24 9:03 AM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 08-Mar-24 | Option Exercise | 2,776 | $105.93 | $294,050.00 | 63% 4.42K to 7.19K | (4%) |
| 11-Mar-24 9:38 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 07-Mar-24 | Disposition | 12,670 | $142.55 | $1,806,110.00 | (34%) 37.81K to 25.14K | |
| 11-Mar-24 9:38 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 07-Mar-24 | Option Exercise | 12,670 | $99.59 | $1,261,840.00 | 50% 25.14K to 37.81K | 2% |
| 07-Mar-24 8:32 AM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 06-Mar-24 | Private Sale | 4,804 | $141.02 | $677,455.00 | (10%) 50.11K to 45.31K | |
| 28-Feb-24 12:04 PM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 26-Feb-24 | Private Sale | 4,854 | $137.57 | $667,765.00 | (9%) 54.96K to 50.11K | |
| 21-Feb-24 10:29 AM View: | Ederington L. Benjamin EVP, PEM, GC and CAO | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 4,618 | $130.58 | $603,012.00 | (8%) 61.11K to 56.49K | |
| 21-Feb-24 10:25 AM View: | Bender Mark Steven EVP & CFO | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 6,144 | $130.70 | $803,018.00 | (10%) 61.11K to 54.96K | |
| 21-Feb-24 10:30 AM View: | Janssens Thomas J. SVP, Ops - PEM & Corp Logistic | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 984 | $130.70 | $128,610.00 | (8%) 13.05K to 12.06K | |
| 21-Feb-24 10:28 AM View: | Chao Albert President & CEO Director | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 24,780 | $130.59 | $3,235,920.00 | (4%) 579.7K to 554.92K | |
| 21-Feb-24 10:31 AM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 746 | $130.67 | $97,481.70 | (14%) 5.16K to 4.42K | |
| 21-Feb-24 10:28 AM View: | Chao James Chairman Director | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 12,962 | $130.55 | $1,692,210.00 | (14%) 94.79K to 81.83K | |
| 21-Feb-24 10:27 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 20-Feb-24 | Payment of Exercise | 4,485 | $130.59 | $585,682.00 | (15%) 29.63K to 25.14K | |
| 21-Feb-24 10:30 AM View: | Janssens Thomas J. SVP, Ops - PEM & Corp Logistic | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 1,170 | -- | -- | 10% 11.88K to 13.05K | |
| 21-Feb-24 10:28 AM View: | Chao Albert President & CEO Director | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 19,810 | -- | -- | 4% 559.89K to 579.7K | |
| 21-Feb-24 10:31 AM View: | Zoeller Johnathan Stevan VP and CAO | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 866 | -- | -- | 20% 4.3K to 5.16K | |
| 21-Feb-24 10:27 AM View: | Buesinger Robert F. EVP, HIP, IT & Digital | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 4,283 | -- | -- | 17% 25.35K to 29.63K | |
| 21-Feb-24 10:29 AM View: | Ederington L. Benjamin EVP, PEM, GC and CAO | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 4,388 | -- | -- | 8% 56.72K to 61.11K | |
| 21-Feb-24 10:28 AM View: | Chao James Chairman Director | Westlake Chemical Corp. (WLK) | 19-Feb-24 | Option Exercise | 10,774 | -- | -- | 13% 84.01K to 94.79K |
