Stocktoria

WESTLAKE CORP WLK

NYSE · XNYS · stock · Industrial Organic Chemicals
Chart by TradingView
3/9
Piotroski F — financial health
2.89
Altman Z″ — distress risk · safe
-18.0%
Dividend payout · safe

Financials (annual, from 10-K)

FYRevenueNet incomeGross profitFree cash flowEquity
2025$11.2B-$1.5B$813.0M-$530.0M$8.8B
2024$12.1B$602.0M$2.0B$306.0M$11.0B
2023$12.5B$479.0M$2.2B$1.3B$10.8B
2022$15.8B$2.2B$4.1B$2.3B$10.5B
2021$11.8B$2.0B$3.5B$1.7B$8.5B
2020$7.5B$330.0M$1.0B$772.0M$6.6B

Recent insider activity (Form 4)

InsiderRoleDateActionSharesPrice
Bender Mark StevenEVP & CFO2026-05-13Tax withheld5,284$97.34
Bender Mark StevenEVP & CFO2026-05-12Option exercise13,164
Buesinger Robert F.EVP, PEM Segment Head2026-03-27Sell4,000$115.25
Bender Mark StevenEVP & CFO2026-03-27Sell16,413$112.53
Bender Mark StevenEVP & CFO2026-02-27Sell421$101.52
Bender Mark StevenEVP & CFO2026-02-27Disposition12,693$98.20
Bender Mark StevenEVP & CFO2026-02-27Option exercise6,199$65.81
Bender Mark StevenEVP & CFO2026-02-27Option exercise6,494$86.54

Why these scores methodology →

Piotroski F-score: 3/9

  • Positive return on assets
  • Positive operating cash flow
  • Rising ROA
  • Cash flow exceeds net income
  • Lower long-term debt
  • Rising current ratio
  • No share dilution
  • Rising gross margin
  • Rising asset turnover

Altman Z″: 2.89 (safe)

  • Working capital / assets 0.173
  • Retained earnings / assets 0.436
  • EBIT / assets -0.079
  • Equity / liabilities 0.824

Source: SEC EDGAR filings · CIK 0001262823 · as of 2025-12-31. Figures are facts from filings plus Stocktoria's own computed scores — not investment advice.