WESTLAKE CORP

Listed Company
WLKCIK 0001262823NYSELarge AcceleratedIndustrial Organic ChemicalsDelawareFY ends Dec 31
Period
FY 2025
Revenue
$11.17B
Net Income
$-1.51B
Total Assets
$19.96B
Equity
$8.79B
Shares Out
128.12M
Op. Cash Flow
$465.00M
WLK$77.65−6.96% · past yearDBEQ Basic
Daily closing prices

Business

Westlake Corporation is a vertically integrated global manufacturer of housing and infrastructure products and performance and essential materials including PVC, polyethylene, epoxy resins, chlor-alkali chemicals and ethylene. The company operates two reportable segments: Housing and Infrastructure Products (HIP), which manufactures residential and non-residential building products, PVC pipe and fittings, and compounds; and Performance and Essential Materials (PEM), which produces ethylene, chlorine, caustic soda, PVC, polyethylene and epoxy specialty resins. Products are sold primarily in North America, Europe and Asia to customers in residential construction, flexible and rigid packaging, automotive, healthcare, water treatment, wind energy and coatings end-markets.

Summary from 10-K filed 2026-02-26

Financials

Consolidated Statement of Income

Year Ended · In millions, except per-share amounts
ConceptTrend
FY 2025
2025-12-31
FY 2024
2024-12-31
FY 2023
2023-12-31
FY 2022
2022-12-31
FY 2021
2021-12-31
Net sales11,17012,14212,54815,79411,778
Cost of sales10,35710,18510,32911,7218,283
Gross profit8131,9572,2194,0733,495
Selling, general and administrative expenses900874865835551
Impairment of goodwill and long-lived assets727047500
Amortization of intangibles124117122155123
Restructuring, transaction and integration-related costs64091283321
Income (loss) from operations−1,5788757293,0502,800
Interest expense−171−159−165−177
Other income, net1522221367353
Income (loss) before income taxes−1,5979387002,9462,677
Income tax provision (benefit)−126291178649607
Net income (loss)−1,4716475222,2972,070
Net income attributable to noncontrolling interests3745435055
Net income (loss) attributable to Westlake Corporation−1,5086024792,2472,015
Basic (in dollars per share)−11.74.663.7317.4615.66
Diluted (in dollars per share)−11.74.643.717.3415.58
Basic (in shares)128129128128128
Diluted (in shares)128129129129129

Filings

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Insiders

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Frequently asked questions

What is WESTLAKE CORP's CIK number?

WESTLAKE CORP's SEC CIK number is 0001262823 (1262823). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.

Where can I find WESTLAKE CORP's SEC filings?

All of WESTLAKE CORP's EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.

When did WESTLAKE CORP last report earnings?

WESTLAKE CORP (WLK) most recently filed an earnings 8-K with the SEC on May 5, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001262823-26-000019). This is WESTLAKE CORP's most recent earnings filing of record — not a forecast of its next earnings date.

What is WESTLAKE CORP's most recent earnings 8-K?

WESTLAKE CORP's latest earnings 8-K (Item 2.02) was filed May 5, 2026 under accession 0001262823-26-000019. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.

View WESTLAKE CORP's latest earnings 8-K →
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