Company Analysis

Westlake Corporation (WLK)

NYSE: WLK · Industrial Organic Chemicals · Houston, TX · filing with the SEC since 2003
Grade5.3
◀ Past 6.7● Present 5.4▶ Future 4.0
The companyfiscal 2025, as filed
Revenue$11.17B-8.0%
Net income-$1.51B-350.5%
Earnings per share$-11.70-352.2%
Operating cash flow$465M-64.6%
Cash$2.72B-6.7%
Debt$5.09B+11.7%
Shareholders’ equity$8.79B-16.5%
Shares, diluted128.3M-0.7%
Return on equity-17.2%
The recordfrom its filings
Filings in 202680
Newest filingNov 4 · 10-Q
Annual reportFeb 26, 2026
Quarterly reportNov 4, 2026
Next report due10-K by Mar 1
Insider sales, 12 months$10.2M
Insider buys, 12 months$0.00
Patents granted74
Filer categoryLarge accelerated filer
Trailing twelve months to Sep 2026Revenue $11.44BNet income -$447MCash from operations $844Mthe four newest filed quarters added
Left: the newest annual report, with the change on the year before. Right: counted from the company's own filings with the SEC.
Revenue and net income by fiscal yearRevenueNet income
16171819202122232425
As filed, in USD. Nothing here is a forecast.

The company now

Westlake reported second-quarter 2026 net sales of $3,271 million and net income of $260 million on 4 August 2026, after a loss of $169 million in the first quarter 2.

Its Performance and Essential Materials segment, the commodity chemicals arm, gained from a 14 percent higher average sales price, helped in part by logistical disruptions in the Strait of Hormuz, the chief executive said 2.

On 29 September 2026 Westlake said it would close its Cologne PVC plant, which can make about 165,000 metric tons a year, at total pre-tax charges of about $205 million 34.

The company also expects third-quarter 2026 results to be lower than the second quarter, citing lower North American PVC and polyethylene prices, higher freight costs and slower housing activity 4.

Twelve ethylene antitrust lawsuits in Europe are still pending after a Dutch court dismissed two of the fourteen on 29 July 2026 5.

As of Oct 28, 2026. Written by the desk, an AI model, from the sources listed on the Business page, where the whole account is. Nothing here is advice.

Newer filings are on file since this was written; an update is queued.

News

Nov 4, 2026 · SEC EDGAR · Form 10-Q
Quarterly report
Open the filing on sec.gov
Nov 4, 2026 · SEC EDGAR · Form 8-K
Results released
Open the filing on sec.gov
Sep 29, 2026 · SEC EDGAR · Form 8-K
Current report
Open the filing on sec.gov
Sep 1, 2026 · SEC EDGAR · Form 4
Insider trade report
Open the filing on sec.gov
Aug 31, 2026 · SEC EDGAR · Form 8-K
Current report
Open the filing on sec.gov
Aug 17, 2026 · SEC EDGAR · Form 4
Insider trade report
Open the filing on sec.gov
Aug 17, 2026 · SEC EDGAR · Form 4
Insider trade report
Open the filing on sec.gov
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SI Assistanton WLK · research, not advice