Industrial Organic Chemicals · DE · CIK 1262823
Westlake Corporation manufactures and supplies essential materials and innovative products for various industries
Comparable business profile · signals at a glance
Coverage (30d): 4 reputable articles.
Reputable outlets only (Reuters, WSJ, CNBC, Barron's, and peers). More on Google News ↗
In the 90 days to Mar 27, 2026: 2 sold $4.1M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 27, 2026 | Bender Mark StevenEVP & CFO | Sell | 16,413 | $112.54 | $1.8M |
| Mar 27, 2026 | Buesinger Robert F.EVP, PEM Segment Head | Sell | 4,000 | $115.25 | $461K |
| Feb 27, 2026 | Bender Mark StevenEVP & CFO | Sell | 16,988 | $100.91 | $1.7M |
| Feb 27, 2026 | Bender Mark StevenEVP & CFO | Sell | 421 | $101.52 | $43K |
| Dec 22, 2025 | Chao AlbertExecutive Chairman | Sell | 30,604 | $73.80 | $2.3M |
| Dec 22, 2025 | Chao AlbertExecutive Chairman | Sell | 9,711 | $72.82 | $707K |
| Dec 22, 2025 | Chao AlbertExecutive Chairman | Sell | 521 | $74.44 | $39K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.