Westlake Corp

WLK

Market cap $11.5B

HOUSTON--(BUSINESS WIRE)--Westlake Royal Building Products™ (Westlake Royal), a Westlake company (NYSE: WLK), is bringing innovation and expertise to the 2026 International Roofing Expo (IRE), January 20 to 22, 2026, in Las Vegas. The manufacturer will feature products from its extensive collection of roofing brands—Newpoint® Concrete Roof Tile, DaVinci® Roofscapes, US Tile® Clay Roofing Products, Unified Steel® Stone Coated Roofing and Westlake Royal™ Roofing Components—and will host installat.

A Westlake insider sold 40,836 shares of the stock for direct proceeds of approximately $3 million on Dec. 22. The transaction reduced his reported direct holdings by 6.11%, leaving 627,722 shares under direct ownership post-sale.

WLK expands its specialty materials platform with ACI/Perplastic's compounding business, boosting global compounds reach across housing and infrastructure.

LENEXA, Kan.--(BUSINESS WIRE)--Westlake Royal Building Products™ (Westlake Royal), a Westlake company (NYSE: WLK), has honored seven standout roofing projects with the 2025 DaVinci® Masterpiece Contractor Project of the Year Awards. The annual award recognizes projects built with DaVinci Roofscapes composite roofing while demonstrating excellence in installation, outstanding visual impact, and the ability to transform the look of a home or commercial space. This year's winners comprise five res.

HOUSTON--(BUSINESS WIRE)--Westlake Corporation (NYSE: WLK) (“Westlake”) announced today that it has completed the acquisition of the global compounding solutions businesses of the ACI/Perplastic Group (collectively, “ACI”). Headquartered in Portugal, ACI is a global manufacturer of specialty materials, primarily serving the wire and cable sectors. “The integration of ACI with Westlake's compounding operations represents a strong strategic alignment, offering significant opportunities to further.

WLK plans to shut select North American chlorovinyl and styrene facilities by December 2025 amid prolonged global chemical market challenges.

Westlake Corporation (WLK) Discusses Facility Closures and Profitability Improvement Actions in Performance and Essential Materials Segment Transcript

HOUSTON--(BUSINESS WIRE)--Westlake Corporation (NYSE: WLK) (“Westlake”) (the “Company”) announced today that the Company has approved a plan to cease operation of certain of the Company's North American chlorovinyl production facilities, including: its polyvinyl chloride (“PVC”) plant at the Aberdeen, Mississippi site, which has an annual capacity of approximately 1 billion pounds of suspension PVC resin; its vinyl chloride monomer (“VCM”) plant at the Lake Charles, Louisiana North site, which.

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HOUSTON--(BUSINESS WIRE)--Westlake Corporation (NYSE: WLK) today released its 2024 Sustainability Report, marking the company's eighth consecutive annual update on its voluntary sustainability initiatives and ongoing operational improvements. The report highlights that Westlake has successfully met its target to reduce Scope 1 and Scope 2 CO2e emissions per ton of production by 20% compared to its 2016 baseline. “At Westlake, we are deeply committed to sustainability and continuous improvement.