---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-153703"
form_type: "8-K"
ticker: "WLK"
cik: "0001262823"
company_name: "WESTLAKE CORP"
filed_at: "2026-04-14T23:59:59+00:00"
generated_at: "2026-05-15T06:18:37.640354+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Westlake agrees to pay $67M to settle PVC pipe antitrust class action

## Summary
- Settlement of $67 million with direct purchaser class; subject to preliminary and final court approval.
- Indirect purchaser claims against Westlake remain pending and are not covered by this settlement.
- Company denies liability; settlement agreement states it is not an admission of wrongdoing.
- DPPs filed motion for preliminary approval on April 13, 2026; court ruling pending.

## SEC filing metadata
- accession: 0001193125-26-153703
- form_type: 8-K
- ticker: WLK
- cik: 0001262823
- company_name: WESTLAKE CORP
- filed_at: 2026-04-14T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1262823/000119312526153703/0001193125-26-153703-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1262823/000119312526153703/d134802d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-153703
- JSON: https://secwatch.observer/filing/0001193125-26-153703.json
- Plain text: https://secwatch.observer/filing/0001193125-26-153703.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.