Skip to main content
News
Contact Us
Suppliers
News
Investor Events & Presentations
Financials
Stock Information
Governance
Resources
About Us
Overview
Who We Are
Our Leadership Team
Our Locations
Our History
Our Awards
Sustainability
Governance & Resilience
Operations, Products & Safety
People & Community
Products & Services
Housing & Infrastructure Products Overview
Westlake Dimex
Westlake Global Compounds
Westlake Pipe & Fittings
Westlake Royal Building Products
Performance & Essential Materials Overview
Westlake North American Chlor-Alkali & Derivatives
Westlake European & Asian Chlorovinyls
Westlake Epoxy
Westlake Polyethylene
Westlake PVC
Westlake Olefins
Westlake North American Vinyls
Westlake Water Solutions
Research & Development
Resources
Certifications
Data Privacy
Code of Conduct
Safety Data Sheets
Careers
Investor Relations
News
Events & Presentations
Financials
Stock Information
Governance
Resources
Site Search
Search query
News
Investor Events & Presentations
Financials
Quarterly Results
Annual & Proxy Reports
SEC Filings
Stock Information
Stock Details
Analyst Coverage
Governance
Governance Documents
Leadership
Board of Directors
Committee Composition
Resources
Investor Email Alerts
News
Contact Us
Suppliers
Search query
SEC Filings
News
Investor Events & Presentations
Financials
Quarterly Results
Annual & Proxy Reports
SEC Filings
Stock Information
Stock Details
Analyst Coverage
Governance
Governance Documents
Leadership
Board of Directors
Committee Composition
Resources
Investor Email Alerts
Selecting the value will change the page content
Select Year:
Filter filing type:
All Form Types
Annual Filings
Quarterly Filings
Current Reports
Proxy Filings
Registration Statements
Section 16 Filings
Other
Date
Filing Type
Filing Description
Download / View