secwatch.observer — SEC 8-K summary
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Issuer:     WESTLAKE CORP (WLK)
CIK:        0001262823
Form:       8-K
Filed at:   2026-02-24T23:59:59+00:00
Accession:  0001262823-26-000008
Event type: earnings
Sentiment:  negative
Materiality: 0.80
Item codes: 2.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Westlake Q4 net loss $544M (-$4.22/sh); FY loss $1.51B; targets $600M EBITDA improvement
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- Net loss $544M (GAAP diluted EPS -$4.22); adjusted net loss $33M (-$0.25/sh) excl. $511M shutdown & restructuring items.
- Revenue $2.53B (-11% YoY); full-year revenue $11.17B (-8% YoY) driven by lower PEM volumes and pricing.
- PEM segment EBITDA excl. items $45M (Q4) vs $220M a year ago; HIP EBITDA $146M vs $188M.
- Company targets $600M EBITDA improvement in 2026 via footprint optimization, cost savings, and plant reliability.
- Achieved $170M cost savings in FY2025; HIP expected to benefit from ACI acquisition in early 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1262823/000126282326000008/0001262823-26-000008-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1262823/000126282326000008/wlk-20260224.htm
  HTML page:      https://secwatch.observer/filing/0001262823-26-000008

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer