{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-153703","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2026-04-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.067115+00:00","generated_at":"2026-05-15T06:18:37.640354+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Westlake agrees to pay $67M to settle PVC pipe antitrust class action","bullets":["Settlement of $67 million with direct purchaser class; subject to preliminary and final court approval.","Indirect purchaser claims against Westlake remain pending and are not covered by this settlement.","Company denies liability; settlement agreement states it is not an admission of wrongdoing.","DPPs filed motion for preliminary approval on April 13, 2026; court ruling pending."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-153703","json":"https://secwatch.observer/filing/0001193125-26-153703.json","markdown":"https://secwatch.observer/filing/0001193125-26-153703.md","text":"https://secwatch.observer/filing/0001193125-26-153703.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526153703/0001193125-26-153703-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526153703/d134802d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T06:18:37.640354+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"}