Westlake Insider Trades

WLK

Track insider trading activity from Westlake executives and directors. See which insiders are buying and selling WLK stock.

Trades Last 12 Months

WLK Price

All Insider Trades for Westlake

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Baksht Jonathan SVP And CFO
Holding Value $1.57M 20,580 shares
Last Trade
Jun 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.8M 20,580 shares
$87.45
$76.48
Bender Mark Steven EVP & CFO
Holding Value $2.75M 35,895 shares
Last Trade
May 13, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$514k 5,284 shares
$97.34
$76.48
Powers Brian John Svp, PEM Segment Head
Holding Value $150k 1,961 shares
Last Trade
Apr 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$234k 1,961 shares
$119.40
$76.48
Buesinger Robert F. Evp, PEM Segment Head
Holding Value $2.64M 34,482 shares
Last Trade
Mar 27, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$461k 4,000 shares
$115.25
$76.48
Patel Bhavesh V. Director
Holding Value $142k 1,852 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$175k 1,852 shares
$94.42
$76.48
Holy Jeffrey Adam VP And CAO
Holding Value $392k 5,124 shares
Last Trade
Feb 20, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$7.62k 81 shares
$94.10
$76.48
Chao Albert Executive Chairman
Holding Value $4.19M 54,763 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$6.58M 69,708 shares
$94.42
$76.48
Chao James Senior Chairman
Holding Value $2.09M 27,382 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.29M 34,854 shares
$94.42
$76.48
Szwejbka Scott Thomas Svp, HIP Segment Head
Holding Value $1.12M 14,595 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.75M 18,578 shares
$94.42
$76.48
Ederington L. Benjamin Evp, Legal & External Affairs
Holding Value $1.96M 25,656 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.08M 32,658 shares
$94.42
$76.48
Gilson Jean Marc President And CEO
Holding Value $8.35M 109,139 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$10.3M 109,139 shares
$94.48
$76.48
Holding Value $84.4k 1,104 shares
Last Trade
Feb 20, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$104k 1,104 shares
$94.42
$76.48
Cregg Roger A Director
Holding Value $102k 1,339 shares
Last Trade
Dec 10, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$97.4k 1,339 shares
$72.75
$76.48
Holding Value $274k 3,580 shares
Last Trade
Aug 09, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Holding Value $682k 8,912 shares
Last Trade
Aug 09, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Holding Value $0 0 shares
Last Trade
Aug 09, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Holding Value $0 0 shares
Last Trade
Aug 09, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Graff Michael J Director
Holding Value $1.62M 21,142 shares
Last Trade
Aug 09, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Lubel Kimberly S Director
Holding Value $891k 11,653 shares
Last Trade
Aug 09, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48
Mccollum Mark A Director
Holding Value $0 0 shares
Last Trade
Aug 09, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$89.1k 1,128 shares
$79.00
$76.48

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