WESTLAKE CORP insider trading

WLKNYSE

$64.61+1.11 (+1.75%)as of Oct 5, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-20.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Open market purchase

Open market sell

Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

ACAlbert ChaoExecutive Chairman0.5031%of company
ELEderington L. BenjaminEVP, Legal & External Affairs0.0627%of company
JCJames ChaoSenior Chairman0.0389%of company
MSMark Steven BenderEVP & CFO0.0281%of company
RFRobert F. BuesingerEVP, PEM Segment Head0.027%of company
DTDavid Tsung-Hung ChaoDirector0.0239%of company
CTCatherine T. ChaoDirector0.0213%of company
RBR. Bruce NorthcuttDirector0.0183%of company
MJMichael J. GraffDirector0.0182%of company
TJThomas J. JanssensSVP, Ops - PEM & Corp Logistic0.0134%of company

AI Activity Analysis

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Insider activity

Fromto

Company	Insider / role	Action	ΔOwn	Avg price	Amount
WLK	Robert F. BuesingerEVP, PEM Segment Head	Open market sell$461K	-10.4%	$115.25	$461K	Mar 27, 2026	Mar 31, 2026
WLK	Mark Steven BenderEVP & CFO	Open market sell$1.85M	-36.9%	$112.54	$1.85M	Mar 27, 2026	Mar 30, 2026

End of history · 2 transactions