{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-376996","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2026-08-31T21:00:37+00:00","discovered_at":"2026-08-31T21:02:08.550080+00:00","generated_at":"2026-08-31T21:02:20.618703+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Westlake names Tommy E. Darby VP & Chief Accounting Officer; Holy moves to IR","bullets":["Darby, 45, appointed VP & Chief Accounting Officer effective Aug 31, 2026, succeeding Jeffrey A. Holy.","Prior CAO at Pactiv Evergreen (now Novolex) Aug 2022-Apr 2025; earlier roles at Valaris and Deloitte.","Compensation: $440k salary, 45% annual target bonus, 8% quarterly target bonus, 90% LTI target.","Sign-on RSU award with $135k grant date fair value, vesting Aug 31, 2029.","Holy transitions to VP, Finance and Investor Relations effective with Darby's appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-376996","json":"https://secwatch.observer/filing/0001193125-26-376996.json","markdown":"https://secwatch.observer/filing/0001193125-26-376996.md","text":"https://secwatch.observer/filing/0001193125-26-376996.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526376996/0001193125-26-376996-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526376996/d437911d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-31T21:02:20.618703+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"}