secwatch / observer
8-K filed September 29, 2026, 6:06 AM ET ticker WLK CIK 0001262823
other material confidence high sentiment negative materiality 0.68

Westlake to close Cologne PVC plant (165k t/yr); ~$205M pre-tax charges, Q3 2026 results below Q2

WESTLAKE CORP

WESTLAKE CORP filing history →

Source: SEC EDGAR
accession 0001262823-26-000067
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