WLKNYSE

WESTLAKE CORP

Alert me on WLK

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Aug 12 Sale Chao Albert Insider

1 week

+0.4%S&P −0.4%

1 month

−9.9%S&P −1.1%

3 months

Result in1 trading day

6 months

Result in64 trading days

Mar 31 Sale Bender Mark Steven Insider

1 week

+3.4%S&P +3.9%

1 month

−1.3%S&P +10.5%

3 months

−37.3%S&P +15.0%

6 months

−46.0%S&P +17.9%

Mar 31 Sale Buesinger Robert F. Insider

1 week

+3.4%S&P +3.9%

1 month

−1.3%S&P +10.5%

3 months

−37.3%S&P +15.0%

6 months

−46.0%S&P +17.9%

Mar 2 Sale Bender Mark Steven Insider

1 week

+0.1%S&P −1.2%

1 month

+10.0%S&P −5.0%

3 months

−18.2%S&P +10.8%

6 months

−28.4%S&P +12.3%

Dec 23, 2025 Sale Chao Albert Insider

1 week

+0.9%S&P −0.9%

1 month

+14.8%S&P +0.7%

3 months

+55.6%S&P −6.0%

6 months

+5.7%S&P +6.5%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for WLK

54 held · newest 554 held · newest 2

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See all 54 filings for WLK

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.