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
Darby Tommy VP And CAO
Holding Value $114k 1,791 shares
Last Trade
Aug 31, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$134k 1,791 shares
$75.07
$63.50
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Mccollum Mark A Director
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Graff Michael J Director
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Patel Bhavesh V. Director
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Lubel Kimberly S Director
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Cregg Roger A Director
Holding Value $139k 2,184 shares
Last Trade
Aug 14, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 2,184 shares
$79.55
$63.50
Chao Albert Executive Chairman
Holding Value $43.3M 681,753 shares
Last Trade
Aug 11, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$3.14M 38,873 shares
$80.84
$63.50
Bender Mark Steven EVP & CFO
Holding Value $2.28M 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
$63.50
Powers Brian John Svp, PEM Segment Head
Holding Value $125k 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
$63.50
Buesinger Robert F. Evp, PEM Segment Head
Holding Value $2.19M 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
$63.50
Holding Value $501k 7,888 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.
$8.56k 91 shares
$94.10
$63.50
Gilson Jean Marc President And CEO
Holding Value $6.93M 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
$63.50
Chao James Senior Chairman
Holding Value $3.16M 49,774 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.
$148k 1,569 shares
$94.10
$63.50
Ederington L. Benjamin Evp, Legal & External Affairs
Holding Value $5.09M 80,158 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.
$33.6k 357 shares
$94.10
$63.50
Holy Jeffrey Adam VP And CAO
Holding Value $325k 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
$63.50

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