---
schema_version: "secwatch.filing_event.v1"
accession: "0001262823-24-000017"
form_type: "8-K"
ticker: "WLK"
cik: "0001262823"
company_name: "WESTLAKE CORP"
filed_at: "2024-04-03T23:59:59+00:00"
generated_at: "2026-06-04T02:44:58.941189+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Westlake coalition files antidumping petitions on epoxy resin imports from five countries

## Summary
- On April 3, 2024, coalition including Westlake filed antidumping petitions on epoxy resin imports from China, India, South Korea, Taiwan, and Thailand.
- Countervailing duty petitions filed on imports from China, India, South Korea, and Taiwan.
- Petitions submitted to U.S. Department of Commerce and U.S. International Trade Commission.
- Action seeks to address alleged unfair pricing and subsidies on certain epoxy resins.

## SEC filing metadata
- accession: 0001262823-24-000017
- form_type: 8-K
- ticker: WLK
- cik: 0001262823
- company_name: WESTLAKE CORP
- filed_at: 2024-04-03T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1262823/000126282324000017/0001262823-24-000017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1262823/000126282324000017/wlk-20240403.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001262823-24-000017
- JSON: https://secwatch.observer/filing/0001262823-24-000017.json
- Plain text: https://secwatch.observer/filing/0001262823-24-000017.txt

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