Trade Summary

1 week ago, Bender Mark Steven, serving as EVP, CFO at Westlake Corp (WLK), sold 16,413 shares at $112.54 per share, for a total transaction value of $1,847,037.00. Following this transaction, Bender Mark Steven now holds 28,015 shares of WLK.

This sale represents a 37.00% decrease in Bender Mark Steven's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, March 27, 2026 and publicly disclosed via SEC Form 4 filing on Monday, March 30, 2026, 3 days 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.