2801 POST OAK BLVD, HOUSTON, TX
Westlake Corporation Enters $1.5 Billion Credit Agreement
Annual Report to Security Holders
Executive Transition - Robert Buesinger Retires; Brian Powers Appointed SVP
Reports Fourth Quarter and Full Year 2025 Results
Appoints New Directors to its Board
Strengthens Global Compounds Portfolio With Acquisition Of ACI Compounding Solutions Business
Profitability Improvement Plan Update
Announces Results of Cash Tender Offer for Its 3.600% Senior Notes Due 2026
FY 2025
Q3
Q2
Q1
FY 2023
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Registration Statement for Securities to be Offered to Employees
Additional Proxy Materials
Definitive Proxy Statement
Additional Proxy Soliciting Materials
Statement of Changes in Beneficial Ownership
Initial Statement of Beneficial Ownership
Notice of Proposed Sale of Securities
Amended Statement of Changes in Beneficial Ownership
Free Writing Prospectus
Specialized Disclosure Report
Submission Upload
Correspondence