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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Date Type Insider Position Ø-Price Volume
8/11/2026 Sell Chao, Albert Executive Chairman $80.1 $3,120,774
3/27/2026 Sell Bender, Mark Steven EVP & CFO $112.5 $1,847,037
3/27/2026 Sell Buesinger, Robert F. EVP, PEM Segment Head $115.2 $461,000
2/27/2026 Sell Bender, Mark Steven EVP & CFO $101.2 $1,756,997
12/22/2025 Sell Chao, Albert Executive Chairman $73.7 $3,004,374
5/27/2025 Sell Buesinger, Robert F. EVP, PEM Segment Head $72.7 $6,034
4/22/2025 Buy Buesinger, Robert F. EVP, PEM Segment Head $93.4 $7,751
11/29/2024 Sell Chao, David Tsung-Hung Director $129.1 $225,888
11/22/2024 Sell Chao, David Tsung-Hung Director $130.0 $227,500
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