{"schema_version":"secwatch.filing_event.v1","accession":"0001262823-23-000017","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2023-05-04T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.220043+00:00","generated_at":"2026-06-15T20:48:14.636492+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Westlake Q1 net income $394M, up 70% seq but down 48% YoY","bullets":["Diluted EPS $3.05 vs $5.83 YoY and $1.79 Q4 2022; net sales $3.356B down 17% YoY.","EBITDA $825M, up 33% from Q4 2022, down 37% YoY; EBITDA margin 25%.","PEM segment EBITDA $615M (26% margin) vs $443M (19%) Q4; HIP EBITDA $205M (20%) vs $133M (14%).","Cost savings $25M achieved in Q1 toward 2023 target of $55–$105M; cash $2.414B, debt $4.892B.","Management cautious on macro due to rising interest rates but optimistic for typical Q2 seasonality."],"urls":{"canonical":"https://secwatch.observer/filing/0001262823-23-000017","json":"https://secwatch.observer/filing/0001262823-23-000017.json","markdown":"https://secwatch.observer/filing/0001262823-23-000017.md","text":"https://secwatch.observer/filing/0001262823-23-000017.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000126282323000017/0001262823-23-000017-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000126282323000017/wlk-20230504.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T20:48:14.636492+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":"ce703f0e47e097bd65d5a65b66a347ae23d7eb27","claim":"WESTLAKE CORP reported first quarter 2023 results: revenue $3,356 million, net income $394 million, EPS $3.05.","evidence_excerpt":"For the three months ended March 31, 2023, the Company reported quarterly net income of $394 million, or $3.05 per share, on net sales of $3,356 million.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282323000017/0001262823-23-000017-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"first quarter 2023"},{"label":"Revenue","value":"$3,356 million"},{"label":"Net income","value":"$394 million"},{"label":"EPS","value":"$3.05"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}