{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-114209","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2024-04-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.647214+00:00","generated_at":"2026-06-03T07:35:00.749113+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Westlake swaps Treasurer and CAO roles between Jeff Holy and Johnathan Zoeller","bullets":["Jeff Holy transitions from VP & Treasurer to VP & Chief Accounting Officer, effective April 25, 2024.","Johnathan Zoeller moves from VP & Chief Accounting Officer to VP & Treasurer.","Holy becomes principal accounting officer; Zoeller assumes treasurer duties.","Both officers remain with Westlake; no departures or external hires reported."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-114209","json":"https://secwatch.observer/filing/0001193125-24-114209.json","markdown":"https://secwatch.observer/filing/0001193125-24-114209.md","text":"https://secwatch.observer/filing/0001193125-24-114209.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/d812147d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T07:35:00.749113+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":"05ae6536b5","claim":"Johnathan Zoeller changed role as Vice President and Treasurer at WESTLAKE CORP.","evidence_excerpt":"Mr. Holy transitioned to the position of Vice President, Chief Accounting Officer from his prior role as Vice President and Treasurer. Mr. Zoeller transitioned to the position of Vice President and Treasurer from his prior role as Vice President, Chief Accounting Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned"},{"label":"Role","value":"Vice President and Treasurer"}],"fact_type":"executive_change"},{"claim_id":"98b5ee45f1","claim":"Jeff Holy changed role as Vice President, Chief Accounting Officer at WESTLAKE CORP.","evidence_excerpt":"Mr. Holy transitioned to the position of Vice President, Chief Accounting Officer from his prior role as Vice President and Treasurer. Mr. Zoeller transitioned to the position of Vice President and Treasurer from his prior role as Vice President, Chief Accounting Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned"},{"label":"Role","value":"Vice President, Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}