{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-064221","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2026-02-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.679633+00:00","generated_at":"2026-05-16T01:04:35.910427+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Westlake CFO Bender to retire; board adds former LyondellBasell CEO Patel and CEO Gilson","bullets":["CFO M. Steven Bender notified intent to retire, effective upon appointment of a successor.","Board expanded to 14 members; elected Bhavesh V. \"Bob\" Patel (former LyondellBasell CEO) as Class III director.","CEO Jean-Marc Gilson elected as Class I director; serves without additional compensation.","Patel received $175,000 in RSUs vesting Feb 20, 2027; will serve on Audit, Compensation, and other committees.","Patel also serves on boards of Air Products and Dallas Fed Houston Branch; brings chemical industry expertise."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-064221","json":"https://secwatch.observer/filing/0001193125-26-064221.json","markdown":"https://secwatch.observer/filing/0001193125-26-064221.md","text":"https://secwatch.observer/filing/0001193125-26-064221.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526064221/0001193125-26-064221-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526064221/d33682d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T01:04:35.910427+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}