Albert Chao bought $1.3M of WLK

bought $1.28m of WLK

20,000 shares @ $63.98

Increased holdings by +3.80%

17th largest trade (out of 118)

Large TradeCluster Buy

Trade made by an officer

Part of a cluster of 21 transactions by 6 insiders

56% win rate · +10.8% median edge vs SPY (32 trades, 90-day)

Insider trade was 52% below market price

Price 14% above 200-day moving average

WLKWESTLAKE CORP

ManufacturingIndustrial Organic Chemicals

1D0.00%

1W+1.64%

1M-11.90%

3M-35.26%

6M—

1Y—

Recent insider activity at WLK