WESTLAKE CORP
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
| Concept | Trend | 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 sales | 11,170 | 12,142 | 12,548 | 15,794 | 11,778 | |
| Cost of sales | 10,357 | 10,185 | 10,329 | 11,721 | 8,283 | |
| Gross profit | 813 | 1,957 | 2,219 | 4,073 | 3,495 | |
| Selling, general and administrative expenses | 900 | 874 | 865 | 835 | 551 | |
| Impairment of goodwill and long-lived assets | 727 | 0 | 475 | 0 | 0 | |
| Amortization of intangibles | 124 | 117 | 122 | 155 | 123 | |
| Restructuring, transaction and integration-related costs | 640 | 91 | 28 | 33 | 21 | |
| Income (loss) from operations | −1,578 | 875 | 729 | 3,050 | 2,800 | |
| Interest expense | −171 | −159 | −165 | −177 | — | |
| Other income, net | 152 | 222 | 136 | 73 | 53 | |
| Income (loss) before income taxes | −1,597 | 938 | 700 | 2,946 | 2,677 | |
| Income tax provision (benefit) | −126 | 291 | 178 | 649 | 607 | |
| Net income (loss) | −1,471 | 647 | 522 | 2,297 | 2,070 | |
| Net income attributable to noncontrolling interests | 37 | 45 | 43 | 50 | 55 | |
| Net income (loss) attributable to Westlake Corporation | −1,508 | 602 | 479 | 2,247 | 2,015 | |
| Basic (in dollars per share) | −11.7 | 4.66 | 3.73 | 17.46 | 15.66 | |
| Diluted (in dollars per share) | −11.7 | 4.64 | 3.7 | 17.34 | 15.58 | |
| Basic (in shares) | 128 | 129 | 128 | 128 | 128 | |
| Diluted (in shares) | 128 | 129 | 129 | 129 | 129 |
Consolidated Balance Sheet
| Concept | Trend | 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 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 2,724 | 2,919 | 3,304 | 2,228 | 1,908 | |
| Available-for-sale securities | 204 | 0 | — | — | — | |
| Accounts receivable, net | 1,504 | 1,483 | 1,601 | 1,801 | 1,868 | |
| Inventories | 1,653 | 1,697 | 1,622 | 1,866 | 1,407 | |
| Prepaid expenses and other current assets | 131 | 115 | 82 | 78 | 80 | |
| Total current assets | 6,216 | 6,214 | 6,609 | 5,973 | 5,263 | |
| Property, plant and equipment, net | 8,605 | 8,633 | 8,519 | 8,477 | 7,606 | |
| Operating lease right-of-use assets | 798 | 801 | 697 | 615 | 562 | |
| Goodwill | 1,314 | 2,031 | 2,041 | 2,161 | 2,024 | |
| Customer relationships, net | 743 | 820 | 910 | 993 | 1,083 | |
| Other intangible assets, net | 439 | 462 | 493 | 572 | 497 | |
| Equity method investments | 1,062 | 1,081 | 1,115 | 1,142 | 1,007 | |
| Other assets, net | 784 | 708 | 651 | 617 | 417 | |
| Total assets | 19,961 | 20,750 | 21,035 | 20,550 | 18,459 | |
| Accounts payable | 783 | 851 | 877 | 889 | 879 | |
| Accrued and other liabilities | 1,490 | 1,362 | 1,614 | 1,409 | 1,196 | |
| Current portion of long-term debt, net | 497 | 6 | 299 | 0 | 269 | |
| Total current liabilities | 2,770 | 2,219 | 2,790 | 2,298 | 2,344 | |
| Long-term debt, net | 5,087 | 4,556 | 4,607 | 4,879 | 4,911 | |
| Deferred income taxes | 1,343 | 1,553 | 1,560 | 1,735 | 1,681 | |
| Pension and other post-retirement benefits | 286 | 304 | 363 | 355 | 291 | |
| Operating lease liabilities | 688 | 713 | 611 | 504 | 461 | |
| Other liabilities | 492 | 362 | 340 | 314 | 243 | |
| Total liabilities | 10,666 | 9,707 | 10,271 | 10,085 | 9,931 | |
| Commitments and contingencies | — | — | — | — | — | |
| Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding | 0 | 0 | 0 | 0 | 0 | |
| Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at December 31, 2025 and 2024, respectively | 1 | 1 | 1 | 1 | 1 | |
| Common stock, held in treasury, at cost; 6,740,232 and 6,424,366 shares at December 31, 2025 and 2024, respectively | −513 | −467 | −435 | −467 | −399 | |
| Additional paid-in capital | 683 | 656 | 630 | 601 | 581 | |
| Retained earnings | 8,701 | 10,481 | 10,143 | 9,885 | 7,808 | |
| Accumulated other comprehensive loss | −80 | −144 | −98 | −89 | −36 | |
| Total Westlake Corporation stockholders' equity | 8,792 | 10,527 | 10,241 | 9,931 | 7,955 | |
| Noncontrolling interests | 503 | 516 | 523 | 534 | 573 | |
| Total equity | 9,295 | 11,043 | 10,764 | 10,465 | 8,528 | |
| Total liabilities and equity | 19,961 | 20,750 | 21,035 | 20,550 | 18,459 |
Consolidated Statement of Cash Flows
| Concept | Trend | 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 |
|---|---|---|---|---|---|---|
| Depreciation and amortization | 1,178 | 1,114 | 1,097 | 1,056 | 840 | |
| Stock-based compensation expense | 41 | 41 | 43 | 36 | 31 | |
| Loss from disposition and write-off of assets and accelerated depreciation and amortization | 359 | 43 | 45 | 46 | 28 | |
| Deferred income taxes | −177 | −35 | −175 | −21 | 23 | |
| Other gains, net | −7 | −27 | −3 | 5 | 16 | |
| Accounts receivable | 15 | 87 | 225 | 325 | −528 | |
| Inventories | 51 | −97 | 250 | −140 | −309 | |
| Prepaid expenses and other current assets | −11 | −35 | −19 | 5 | −27 | |
| Accounts payable | −67 | −20 | −26 | −153 | 242 | |
| Accrued and other liabilities | 89 | −213 | 170 | 137 | 239 | |
| Other, net | −262 | −191 | −268 | −198 | −231 | |
| Net cash provided by operating activities | 465 | 1,314 | 2,336 | 3,395 | 2,394 | |
| Additions to investments in unconsolidated subsidiaries | −33 | −26 | −25 | −180 | −24 | |
| Additions to property, plant and equipment | −995 | −1,008 | −1,034 | −1,108 | −658 | |
| Payments to Acquire Debt Securities, Available-for-Sale | −272 | 0 | 0 | — | — | |
| Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale | 68 | 0 | 0 | — | — | |
| Other, net | 9 | 33 | 22 | 12 | 23 | |
| Net cash used for investing activities | −1,223 | −1,001 | −1,037 | −2,479 | −3,213 | |
| Distributions to noncontrolling interests | −51 | −49 | −54 | −60 | −48 | |
| Dividends paid | −272 | −264 | −221 | −169 | −145 | |
| Proceeds from senior notes issuance, net | 1,187 | 0 | 0 | 0 | 1,671 | |
| Repayment of senior notes | −254 | −300 | 0 | −250 | 0 | |
| Repurchase of common stock for treasury | −63 | −60 | −23 | −101 | −30 | |
| Other, net | −17 | 23 | 53 | −25 | −6 | |
| Net cash provided by (used for) financing activities | 530 | −650 | −245 | −587 | 1,437 | |
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | 33 | −47 | 19 | −24 | −14 | |
| Net increase (decrease) in cash, cash equivalents and restricted cash | −195 | −384 | 1,073 | 305 | 604 |
Filings
Material Events
Insiders
Institutional Holders
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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