{"schema_version":"secwatch.filing_event.v1","accession":"0001262823-26-000008","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2026-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.679763+00:00","generated_at":"2026-05-16T00:41:38.817202+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Westlake Q4 net loss $544M (-$4.22/sh); FY loss $1.51B; targets $600M EBITDA improvement","bullets":["Net loss $544M (GAAP diluted EPS -$4.22); adjusted net loss $33M (-$0.25/sh) excl. $511M shutdown & restructuring items.","Revenue $2.53B (-11% YoY); full-year revenue $11.17B (-8% YoY) driven by lower PEM volumes and pricing.","PEM segment EBITDA excl. items $45M (Q4) vs $220M a year ago; HIP EBITDA $146M vs $188M.","Company targets $600M EBITDA improvement in 2026 via footprint optimization, cost savings, and plant reliability.","Achieved $170M cost savings in FY2025; HIP expected to benefit from ACI acquisition in early 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001262823-26-000008","json":"https://secwatch.observer/filing/0001262823-26-000008.json","markdown":"https://secwatch.observer/filing/0001262823-26-000008.md","text":"https://secwatch.observer/filing/0001262823-26-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000126282326000008/0001262823-26-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000126282326000008/wlk-20260224.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T00:41:38.817202+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"}