{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-186619","form_type":"8-K","ticker":"WLK","cik":"0001262823","company_name":"WESTLAKE CORP","filed_at":"2024-07-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:12.418606+00:00","generated_at":"2026-05-31T15:44:05.637431+00:00","sec_items":["2.05"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Westlake to mothball AC and ECH units at Pernis; expects EUR 80M pre-tax costs","bullets":["Approved mothball of allyl chloride and epichlorohydrin units at Pernis, Netherlands; expected to cease operations in 2025.","Total pre-tax costs of approximately EUR 80 million: EUR 5M severance and EUR 75M environmental remediation and other mothballing costs.","Workforce reduction of ~30 employees; costs recorded in Q3 2024 with cash outflows over several years starting 2025.","Company expects material improvement in Pernis site financial performance while continuing BPA, LER, and specialty resin operations."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-186619","json":"https://secwatch.observer/filing/0001193125-24-186619.json","markdown":"https://secwatch.observer/filing/0001193125-24-186619.md","text":"https://secwatch.observer/filing/0001193125-24-186619.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524186619/0001193125-24-186619-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1262823/000119312524186619/d837479d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T15:44:05.637431+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"}