secwatch.observer — SEC 8-K summary
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Issuer:     WESTLAKE CORP (WLK)
CIK:        0001262823
Form:       8-K
Filed at:   2026-07-29T20:45:24+00:00
Accession:  0001193125-26-324110
Event type: litigation
Sentiment:  positive
Materiality: 0.75
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Amsterdam court dismisses two ethylene antitrust lawsuits against Westlake; €1.025B claim rejected
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- District Court of Amsterdam dismissed Shell Chemical Europe B.V. lawsuit alleging ~€1,025 million damages.
- Court also dismissed Stichting Ethylene Claims declaratory judgment action seeking unspecified damages.
- Both dismissals are subject to appeal by the plaintiffs; twelve related lawsuits remain pending at first instance.
- Westlake and other ethylene consumers are defendants in a total of fourteen civil lawsuits in Netherlands and Germany.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1262823/000119312526324110/0001193125-26-324110-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1262823/000119312526324110/d151580d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-324110

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer