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Westlake Corp (New York Stock Exchange:WLK)

US · Delayed Price · Currency is USD
61.69+0.17 (+0.28%)
 
Market Cap7.90B-25.1%
Revenue (ttm)11.29B-4.0%
Net Income-1.24B-1743.3%
EPS-9.62-1729.6%
Shares Out128.12M
PE Ration/a
Forward PE21.99
Dividend$2.12(3.44%)
Ex-Dividend DateAug 25, 2026
Volume32,678
Open61.50
Previous Close61.52
Day's Range61.15 - 61.97
52-Week Range56.33 - 124.23
Beta0.69
AnalystsHold
Price Target89.88(+45.70%)
Earnings DateOct 29, 2026
+0.39% (1D)
No price history available.
Insider Score
––Not scored
WLK Insider Score

Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.

About WLK

Westlake Corporation operates as a global producer and supplier of petrochemicals, polymers, and a diverse range of building materials. Its business activities are structured into two main divisions: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment focuses on the manufacture and distribution of various chemical components, including polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and related chlorinated derivatives. Concurrently, the Housing and Infrastructure Products division manufactures an extensive array of building and consumer goods. These offerings span residential PVC siding, trim, and moldings; roofing applications; decorative stone; windows; PVC decking; various PVC films for items like inflatables, wall coverings, tape, and roofing; polymer composite roof tiles; PVC pipe and fittings; and PVC compounds. This segment also produces consumer and commercial items such as landscape edging, industrial and home matting, marine dock edging, and masonry joint controls. Westlake's broad customer base includes chemical processors, plastics fabricators, smaller construction contractors, municipal entities, and supply warehouses. Their products are integrated into numerous consumer and industrial markets, such as residential construction, flexible and rigid packaging, automotive manufacturing, healthcare, water treatment, coatings, and a wide array of other durable and non-durable goods. Founded in 1986 and headquartered in Houston, Texas, the company adopted its current name, Westlake Corporation, in February 2022, having previously operated as Westlake Chemical Corporation. Westlake Corporation functions as a subsidiary of TTWF LP.

Address
2801 Post Oak Boulevard, Houston, TX, 77056, US
Market Cap
7.90 billion
Employees
14,600
Industrial Classification
Chemicals - Specialty

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$7.19M
Bought
$0

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
+0.28%
5 Days
-1.56%
1 Month
-17.47%
6 Months
-48.94%
1 Year
-25.11%

$WLK stock is featured in our Insider Score Rankings, and Insider Trades datasets.

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Recently reported changes in WLK holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

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Insider Trading

Quarterly net insider trading by WLK's directors and management

Net Shares Purchased by Insiders−40k−20k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

WLK Estimated quarterly lobbying spending

Source: U.S. Senate LDA

WLK Revenue by Segment or Geography

$19.44BTotal
SegmentRevenue% of All
Performance and Essential Materials Segment$12.28B63.17%
Housing and Infrastructure Products Segment$5.29B27.21%
Corporate and other$1.87B9.61%

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New WLK patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to WLK from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in WLK

ETFEst. Holding Size
VTIVanguard Morningstar Total Stock Market ETF$76.68M
IJHiShares Core S&P Mid-Cap ETF$73.34M
PAVEGlobal X - U.S. Infrastructure Development ETF$66.93M
VBVanguard Morningstar Small-Cap ETF$55.30M
DFSVU.S. Small Cap Value Portfolio ETF Class Shares$51.49M
DFATDimensional - US Targeted Value ETF$39.85M

Estimated from each fund’s disclosed top holdings × AUM

WLK Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

Members only

The live Insider Score for WLK is included with Insider Access.

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Bull Case vs Bear Case

AI-generated from WLK’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

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Recent Insider Activity

Buys
0
Sells
6
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.
Westlake Corp (WLK) Insider Trading, Form 4 Buys & Sells | InsiderBuying.com