{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-092424","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2023-04-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.219837+00:00","generated_at":"2026-06-17T05:43:01.698496+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Westlake COO Roger Kearns to depart; Benjamin Ederington appointed EVP","bullets":["Roger L. Kearns, COO and EVP, to leave Westlake effective April 30, 2023 to pursue other opportunities.","L. Benjamin Ederington appointed EVP, Performance and Essential Materials, General Counsel and Chief Administrative Officer effective April 5, 2023.","Ederington previously served as EVP, General Counsel, Chief Administrative Officer and Corporate Secretary."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-092424","json":"https://secwatch.observer/filing/0001193125-23-092424.json","markdown":"https://secwatch.observer/filing/0001193125-23-092424.md","text":"https://secwatch.observer/filing/0001193125-23-092424.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312523092424/0001193125-23-092424-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312523092424/d474926d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T05:43:01.698496+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"f837b54fa5","claim":"L. Benjamin Ederington was appointed as Executive Vice President, Performance and Essential Materials, General Counsel and Chief Administrative Officer at WESTLAKE CORP.","evidence_excerpt":"On April 3, 2023, the Board of Directors of the Company appointed L. Benjamin Ederington as Executive Vice President, Performance and Essential Materials, General Counsel and Chief Administrative Officer, effective April 5, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312523092424/0001193125-23-092424-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President, Performance and Essential Materials, General Counsel and Chief Administrative Officer"}],"fact_type":"executive_change"},{"claim_id":"fc91b3b3af","claim":"Roger L. Kearns departed as Chief Operating Officer and Executive Vice President, Performance and Essential Materials at WESTLAKE CORP.","evidence_excerpt":"On April 3, 2023, Roger L. Kearns, Chief Operating Officer and Executive Vice President, Performance and Essential Materials of Westlake Corporation (the “Company”), provided the Company with notice of his intent to leave the Company to pursue other opportunities.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312523092424/0001193125-23-092424-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"leave"},{"label":"Role","value":"Chief Operating Officer and Executive Vice President, Performance and Essential Materials"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}