WESTLAKE CORP — Investor Relations & Filings
Filings indexed
1,312
across all filing types
Latest filing
2011-02-22
Earnings Release
Country
US
United States of America
Listing
US
WLK
Westlake Corporation is a global manufacturer and supplier of materials and innovative products. The company's core business involves the production of petrochemicals, polymers, and fabricated building products. These materials serve as essential components for a wide range of applications and are utilized in vital solutions across diverse sectors, including packaging, healthcare, automotive, consumer goods, and building and construction. Westlake's operations are structured around key product areas, such as olefins and vinyls, which provide the foundational building blocks for numerous everyday items.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K Filing | 2011-02-22 | English | |
| 4 Filing | 2011-02-22 | English | |
| 4 Filing | 2011-02-22 | English | |
| 4 Filing | 2011-02-22 | English | |
| 4 Filing | 2011-02-22 | English | |
| SC 13G/A Filing | 2011-02-11 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2011
11 filings
| |||||
| 28535491 | 8-K Filing | 2011-02-22 | English | ||
| 28535387 | 4 Filing | 2011-02-22 | English | ||
| 28535361 | 4 Filing | 2011-02-22 | English | ||
| 28535246 | 4 Filing | 2011-02-22 | English | ||
| 28535214 | 4 Filing | 2011-02-22 | English | ||
| 28535650 | SC 13G/A Filing | 2011-02-11 | English | ||
| 28535372 | SC 13G/A Filing | 2011-02-11 | English | ||
| 28535507 | SC 13G/A Filing | 2011-01-26 | English | ||
| 28535539 | 4 Filing | 2011-01-06 | English | ||
| 28535389 | 4 Filing | 2011-01-05 | English | ||
| 28535293 | 3 Filing | 2011-01-03 | English | ||
|
2010
4 filings
| |||||
| 28535820 | 8-K Filing | 2010-12-08 | English | ||
| 28535995 | 4 Filing | 2010-11-22 | English | ||
| 28535168 | 4 Filing | 2010-11-17 | English | ||
| 28535475 | 4 Filing | 2010-11-09 | English | ||
Market data
Market data not available
Last price
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WESTLAKE CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30551/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30551 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30551 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30551 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30551}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for WESTLAKE CORP (id: 30551)"
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