Company · WLKP · CIK 1604665

Westlake Chemical Partners LP (WLKP) SEC filings and CIK.

WLKP’s SEC Central Index Key (CIK) is 0001604665, or 1604665 without leading zeros. The SEC’s ticker file lists it as Westlake Chemical Partners LP.

Ticker: WLKP
CIK: 0001604665
Other tickers: None
Insider transactions, Q3 2026: 5

Insider trading

In Q3 2026, insiders at Westlake Chemical Partners LP reported 5 non-derivative transactions on 7 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every WLKP insider transaction →

Recent filings we observed

No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.

Get WLKP SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1604665&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1604665" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1604665?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Westlake Chemical Partners LP on SEC.gov

Questions

What is WLKP’s CIK number?

WLKP’s SEC Central Index Key (CIK) is 0001604665, or 1604665 without leading zeros. The SEC’s ticker file lists it as Westlake Chemical Partners LP.

How do I find Westlake Chemical Partners LP’s 10-K?

Request /api/v1/filings?cik=1604665&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/wlkp.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.