Westlake Chemical

WLK

Westlake Chemical is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets.The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (L …

Insider trades and stock quote 2024-2026

All insider trades at Westlake Chemical

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DateTypeInsiderPositionØ-PriceVolume
12/22/2025 SellChao, Albert Executive Chairman $73.7 $3,004,374
5/27/2025 SellBuesinger, Robert F. EVP, PEM Segment Head $72.7 $6,034
4/22/2025 BuyBuesinger, Robert F. EVP, PEM Segment Head $93.4 $7,751
11/29/2024 SellChao, David Tsung-Hung Director $129.1 $225,888
11/22/2024 SellChao, David Tsung-Hung Director $130.0 $227,500
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