WESTLAKE CORPWLKEarnings & Financial Report
NYSE · Health Care · Industrial Organic Chemicals
Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream ...
Top Holders
| Holder | % Owned | Shares | Change | As of |
|---|---|---|---|---|
| TTWF LP | 71.80% | 92.0M | — | 2024-02-14 |
Insider Transactions
Net 90d: −$5.31M · buys $0 / sells $5.31MRange:
Action:
Role:
| Insider | Role | Action | ||||
|---|---|---|---|---|---|---|
| 2026-03-27 | Buesinger Robert F. | EVP, PEM Segment Head | Sell (open market) | 4.0K | $115.25 | $461.0K |
| 2026-03-27 | Bender Mark Steven | EVP & CFO | Sell (open market) | 16.4K | $112.53 | $1.85M |
| 2026-02-27 | Bender Mark Steven | EVP & CFO | Option exercise | 6.2K | $65.81 | $408.0K |
| 2026-02-27 | Bender Mark Steven | EVP & CFO | Option exercise | 6.5K | $86.54 | $562.0K |
| 2026-02-27 | Bender Mark Steven | EVP & CFO | Disposition | 12.7K | $98.20 | $1.25M |
| 2026-02-27 | Bender Mark Steven | EVP & CFO | Sell (open market) | 17.0K | $100.91 | $1.71M |
| 2026-02-27 | Bender Mark Steven | EVP & CFO | Sell (open market) | 421 | $101.52 | $42.7K |
| 2026-02-19 | Szwejbka Scott Thomas | SVP, HIP Segment Head | Grant | 365 | $0.00 | $0 |
| 2026-02-19 | Holy Jeffrey Adam | VP and CAO | Grant | 264 | $0.00 | $0 |
| 2026-02-19 | Buesinger Robert F. | EVP, PEM Segment Head | Grant | 1.3K | $0.00 | $0 |
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