Old names:
| Owner | Filings | Transaction Date | Type of Owner |
|---|---|---|---|
| Lubel Kimberly S | 0001448219 | Aug-11-2023 | director |
| Zoeller Johnathan Stevan | 0001803678 | May-19-2023 | officer: VP and CAO |
| Janssens Thomas J. | 0001834230 | May-12-2023 | officer: SVP, Ops - PEM & Corp Logistic |
| Sabat Carolyn Chao | 0001974878 | May-11-2023 | director, 10 percent owner |
| Chao Catherine T. | 0001974884 | May-11-2023 | director, 10 percent owner |
| Chao John Tsung-chen | 0001746472 | Aug-17-2018 | director, 10 percent owner |
| MCCOLLUM MARK A | 0001215888 | May-18-2018 | director |
| Kearns Roger L. | 0001739128 | Apr-23-2018 | officer: EVP, Vinyls Chemicals |
| Sheets Jeffrey Wayne | 0001447712 | Jan-05-2018 | director |
| Haas Marius | 0001556683 | Jan-05-2018 | director |
| Chao David Tsung-Hung | 0001726418 | Jan-05-2018 | director, 10 percent owner |
| Schubert Lawrence | 0001699921 | Mar-01-2017 | officer: Vice President, Polyethylene |
| Bates Simon | 0001654218 | Aug-31-2016 | officer: VP, Building Products |
| Mattina Michael J. | 0001638948 | Apr-01-2015 | officer: Sr. VP, Polyethylene |
| Ederington L. Benjamin | 0001588279 | Sep-30-2013 | officer: VP, General Counsel, Corp Secy |
| NORTHCUTT R BRUCE | 0001307964 | May-17-2013 | director |
| Graff Michael J | 0001457009 | May-17-2013 | director |
| Teel Lawrence E. | 0001551480 | Jun-01-2012 | officer: Vice President, Olefins |
| Johannesen Andrew | 0001509206 | Jan-03-2011 | officer: Vice President & Treasurer |
| Buesinger Robert F. | 0001488587 | Apr-01-2010 | officer: Sr. Vice President, Vinyls |
| Kenner Andrew | 0001439749 | Jul-10-2008 | officer: VP -- Manufacturing |
| RILEY H JOHN JR | 0001173593 | Nov-30-2007 | director |
| Condon Donald Marion Jr | 0001368378 | Jul-01-2006 | officer: Sr VP Corp Planning & Bus Dev |
| BARNETT E WILLIAM | 0001243147 | Jun-23-2006 | director |
| GIBBONS JOHN D | 0001043073 | Mar-23-2006 | officer: Senior Vice President & CFO |
| Bender Mark Steven | 0001330417 | Jun-15-2005 | officer: Vice President/Treasurer |
| LUKENS MAX L | 0001040101 | Aug-16-2004 | director |
| BLAKELY ROBERT T | 0001218020 | Aug-16-2004 | director |
| DREESSEN RUTH I | 0001218440 | Aug-10-2004 | officer: Senior Vice President and CFO |
| Wilder Warren | 0001298490 | Aug-10-2004 | officer: Vice President |
| Morse Wayne D | 0001298503 | Aug-10-2004 | officer: Senior Vice President |
| Mangieri George J | 0001298504 | Aug-10-2004 | officer: Vice President and Controller |
| Taylor Jeffrey L | 0001298551 | Aug-10-2004 | officer: Vice President |
| Keng Tai Li | 0001298605 | Aug-10-2004 | officer: Vice President and Treasurer |
| Hansen David R | 0001298632 | Aug-10-2004 | officer: Senior Vice President |
| Wallace Stephen | 0001298645 | Aug-10-2004 | officer: VP, General Counsel & Sec |
| Chao Albert | 0001299403 | Aug-10-2004 | director, officer: President and CEO |
| Jenkins Dorothy C | 0001299504 | Aug-10-2004 | director |
| Chao James | 0001299505 | Aug-10-2004 | director |
| Whitaker Gilbert R Jr | 0001299597 | Aug-10-2004 | director |
| TTWFGP LLC | 0001299599 | Aug-10-2004 | 10 percent owner |
| TTWF LP | 0001299601 | Aug-10-2004 | 10 percent owner |
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Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by WESTLAKE CORP
| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000056 (34 Act) Size: KB |
Aug-26-2025 | 251258316 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001457009-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001974884-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001726418-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001307964-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001974878-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001215888-25-000005 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001448219-25-000004 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001231239-25-000005 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001447712-25-000007 ( Act) Size: 0 KB |
Aug-11-2025 | |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001262823-25-000052 (34 Act) Size: KB |
Aug-06-2025 | 251190538 |
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000047 (34 Act) Size: KB |
Aug-05-2025 | 251182802 |
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000043 (34 Act) Size: KB |
Jun-17-2025 | 251051753 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0000950170-25-083572 ( Act) Size: 0 KB |
Jun-09-2025 | |
| SD | Document | Acc-no: 0001262823-25-000039 (34 Act) Size: KB | May-23-2025 | 25983229 |
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000033 (34 Act) Size: KB |
May-12-2025 | 25935602 |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001262823-25-000029 (34 Act) Size: KB |
May-02-2025 | 25907944 |
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000026 (34 Act) Size: KB |
May-02-2025 | 25905492 |
| 8-K | Document | Current report filing Acc-no: 0001262823-25-000020 (34 Act) Size: KB |
Apr-16-2025 | 25840800 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0000950170-25-054371 ( Act) Size: 0 KB |
Apr-15-2025 |
Recent 20 filings. View all WESTLAKE CORP filings
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