{"filing":{"accession_number":"0001193125-26-271206","cik":"0001262823","ticker":"WLK","company_name":"WESTLAKE CORP","form":"8-K","filing_date":"2026-06-15","report_date":null,"primary_document":"d166027d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312526271206/d166027d8k.htm"},"events":[{"id":11108,"run_id":9739,"accession_number":"0001193125-26-271206","anchor_item_number":"7.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"summary":"The disclosure announces completion of an acquisition by Westlake Vinnolit GmbH \u0026 Co. KG (a wholly owned subsidiary) of a polyvinyl chloride and vinyl chloride monomer production site in Wilhelmshaven, Germany. This is a material acquisition activity that would affect investor assessment of the company's strategic positioning and asset base, even though disclosed under Item 7.01 (Regulation FD Disclosure) rather than the typical Item 1.01 or 2.01.","company_name":"WESTLAKE CORP","ticker":"WLK","filing_date":"2026-06-15","form":"8-K","submitted_at":null,"items":[{"id":7609,"accession_number":"0001193125-26-271206","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The disclosure announces completion of an acquisition by Westlake Vinnolit GmbH \u0026 Co. KG (a wholly owned subsidiary) of a polyvinyl chloride and vinyl chloride monomer production site in Wilhelmshaven, Germany. This is a material acquisition activity that would affect investor assessment of the company's strategic positioning and asset base, even though disclosed under Item 7.01 (Regulation FD Disclosure) rather than the typical Item 1.01 or 2.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-15T20:46:05.938780+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":7609,"accession_number":"0001193125-26-271206","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The disclosure announces completion of an acquisition by Westlake Vinnolit GmbH \u0026 Co. KG (a wholly owned subsidiary) of a polyvinyl chloride and vinyl chloride monomer production site in Wilhelmshaven, Germany. This is a material acquisition activity that would affect investor assessment of the company's strategic positioning and asset base, even though disclosed under Item 7.01 (Regulation FD Disclosure) rather than the typical Item 1.01 or 2.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-15T20:46:05.938780+00:00","company_name":"WESTLAKE CORP","ticker":"WLK","filing_date":"2026-06-15"}]}