Trade Summary

1 week ago, Chao Albert, serving as Exec COB at Westlake Corp (WLK), sold 40,836 shares at $73.57 per share, for a total transaction value of $3,004,373.00. Following this transaction, Chao Albert now holds 627,722 shares of WLK.

This sale represents a 6.00% decrease in Chao Albert's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, December 22, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, December 23, 2025, 1 day after the trade was made.

Westlake Corp operates in the BASIC MATERIALS sector, specifically within the SPECIALTY CHEMICALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.