Westlake Chemical Partners LP — Investor Relations & Filings
Filings indexed
397
across all filing types
Latest filing
2026-05-06
Interim / Quarterly Rep…
Country
US
United States of America
Listing
US
WLKP
Westlake Chemical Partners LP is a limited partnership formed by Westlake Corporation to operate, acquire, and develop ethylene production facilities and other qualified assets. The company's core business is the production and supply of ethylene. Its primary assets include three ethylene production facilities located in Calvert City, Kentucky, and Lake Charles, Louisiana, with a combined annual capacity of approximately 3.7 billion pounds. The partnership also operates a 200-mile ethylene pipeline. Business operations are conducted through OpCo, a partnership between Westlake Corporation and Westlake Chemical Partners, establishing the company as a key ethylene supplier to its parent organization.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 10-Q - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-05-06 | English | |
| 8-K - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-05-05 | English | |
| 8-K - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-04-20 | English | |
| S-3 - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-03-04 | English | |
| 10-K - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-03-04 | English | |
| 8-K - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-02-24 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
8 filings
| |||||
| 41941063 | 10-Q - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-05-06 | English | ||
| 41355628 | 8-K - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-05-05 | English | ||
| 34694267 | 8-K - Westlake Chemical Partners LP (0001604665) (Filer) | 2026-04-20 | English | ||
| 32894953 | S-3 - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-03-04 | English | ||
| 32894954 | 10-K - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-03-04 | English | ||
| 32894952 | 8-K - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-02-24 | English | ||
| 32894951 | 8-K - WESTLAKE CHEMICAL PARTNERS LP (0001604665) (Filer) | 2026-02-23 | English | ||
| 30867316 | SCHEDULE 13G Filing | 2026-02-17 | English | ||
|
2025
7 filings
| |||||
| 12768981 | 10-Q | 2025-10-31 | English | ||
| 12768983 | 8-K | 2025-10-30 | English | ||
| 12768982 | 4 | 2025-08-29 | English | ||
| 12768984 | 4 | 2025-08-28 | English | ||
| 12768985 | 4/A | 2025-08-28 | English | ||
| 12768986 | Regulatory Filings 2025 | 2025-08-15 | English | ||
| 12768987 | Major Shareholding Notification 2025 | 2025-08-14 | English | ||
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Westlake Chemical Partners LP 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/32436/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=32436 | 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=32436 | 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=32436 \ -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": 32436}, 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 Chemical Partners LP (id: 32436)"
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