Westlake Chemical Partners LP SEC filings WLKP
Westlake Chemical Partners LP has 420 filings in SEC EDGAR's recent list, going back to Apr 29, 2014. Its latest annual report, Form 10-K, was filed on Mar 4, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3 | Shelf registration | Mar 4, 2026 | — |
| S-8 POS | Filing | May 10, 2024 | — |
| S-3 | Shelf registration | Mar 1, 2023 | — |
| S-3 | Shelf registration | Feb 28, 2020 | — |
| S-3 | Shelf registration | Mar 29, 2019 | — |
| 424B5 | Prospectus supplement | Oct 5, 2018 | — |
| 424B5 | Prospectus supplement | Sep 28, 2017 | — |
| 424B5 | Prospectus supplement | Sep 26, 2017 | — |
| S-3 | Shelf registration | Mar 10, 2017 | — |
| S-8 | Employee stock plan registration | Aug 19, 2014 | — |
| 424B1 | Filing | Jul 31, 2014 | — |
| S-1/A | Amended registration statement | Jul 29, 2014 | — |
| S-1/A | Amended registration statement | Jul 21, 2014 | — |
| S-1/A | Amended registration statement | Jul 15, 2014 | — |
| S-1/A | Amended registration statement | Jul 9, 2014 | — |
| S-1/A | Amended registration statement | Jun 30, 2014 | — |
| S-1/A | Amended registration statement | Jun 6, 2014 | — |
| S-1 | Registration statement | Apr 29, 2014 | — |
Showing 18 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Industrial Organic Chemicals (SIC 2860)
- Listed as
- WLKP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 1604665
Other Industrial Organic Chemicals companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.