Westlake Corporation – Filings and Transcripts

NYSE: WLK
Share price (8/21/26): $78.93
Market cap (8/21/26): $10.1 billion

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Key Exhibits

External Links

Financials Filter

ended 06/30/26 Q2

ended 03/31/26 Q1

ended 12/31/25 FY 2025

ended 09/30/25 Q3

ended 06/30/25 Q2

Prospectuses and Registrations Filter

Registration of securities on exchange

Prospectus supplement for primary offering

Free writing prospectus

Prospectus supplement for primary offering

Automatic shelf registration

Ownership Filter

Sheets Jeffrey Wayne

Sabat Carolyn Chao

Patel Bhavesh V.

Northcutt R Bruce

McCollum Mark A

News Filter

Reports Second Quarter 2026 Results

Expands Global Chlorovinyls Manufacturing Capacity With Acquisition of Pvc and Vcm Plants in Wilhelmshaven, Germany

Shareholder Vote Results

Reports First Quarter 2026 Results

Proxies Filter

Additional info about upcoming vote

Definitive proxy

Additional info about upcoming vote

Definitive proxy

Letter to shareholders

Other Filter

Conflict Minerals disclosure

Scanned paper annual report submission

Conflict Minerals disclosure

Scanned paper annual report submission