Company · CIK 1604665 # Westlake Chemical Partners LP | CIK | [1604665](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001604665) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2860 — Industrial Organic Chemicals | | Incorporated in | DE | | Business address | TX | | Listed | WLKP (NYSE) | | First annual or quarterly report | 2014-09-08 | ## Offerings 6 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-294019 | Shelf Effective | 2026-03-04 | 2026-03-11 | 2 | | 333-270176 | Shelf Effective | 2023-03-01 | 2023-03-20 | 2 | | 333-236768 | Shelf Effective | 2020-02-28 | 2020-04-16 | 2 | | 333-230611 | Shelf Effective | 2019-03-29 | 2019-04-12 | 2 | | 333-216617 | Shelf Effective | 2017-03-10 | 2018-10-05 | 5 | | 333-195551 | IPO Final prospectus | 2014-04-29 | 2014-07-31 | 9 | ## Filings 22 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999526000800/9999999995-26-000800-index.htm) Declared effective | 333-294019 | 9999999995-26-000800 | | 2026-03-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1604665/000119312526091822/0001193125-26-091822-index.htm) Shelf registered | 333-294019 | 0001193125-26-091822 | | 2023-03-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999523000611/9999999995-23-000611-index.htm) Declared effective | 333-270176 | 9999999995-23-000611 | | 2023-03-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1604665/000119312523056344/0001193125-23-056344-index.htm) Shelf registered | 333-270176 | 0001193125-23-056344 | | 2020-04-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999520000770/9999999995-20-000770-index.htm) Declared effective | 333-236768 | 9999999995-20-000770 | | 2020-02-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1604665/000119312520056499/0001193125-20-056499-index.htm) Shelf registered | 333-236768 | 0001193125-20-056499 | | 2019-04-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999519000698/9999999995-19-000698-index.htm) Declared effective | 333-230611 | 9999999995-19-000698 | | 2019-03-29 | [S-3](https://www.sec.gov/Archives/edgar/data/1604665/000119312519092722/0001193125-19-092722-index.htm) Shelf registered | 333-230611 | 0001193125-19-092722 | | 2018-10-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1604665/000119312518294126/0001193125-18-294126-index.htm) Shelf takedown | 333-216617 | 0001193125-18-294126 | | 2017-09-28 | [424B5](https://www.sec.gov/Archives/edgar/data/1604665/000119312517296271/0001193125-17-296271-index.htm) Shelf takedown | 333-216617 | 0001193125-17-296271 | | 2017-09-26 | [424B5](https://www.sec.gov/Archives/edgar/data/1604665/000119312517294456/0001193125-17-294456-index.htm) Shelf takedown | 333-216617 | 0001193125-17-294456 | | 2017-03-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999517000652/9999999995-17-000652-index.htm) Declared effective | 333-216617 | 9999999995-17-000652 | | 2017-03-10 | [S-3](https://www.sec.gov/Archives/edgar/data/1604665/000119312517078897/0001193125-17-078897-index.htm) Shelf registered | 333-216617 | 0001193125-17-078897 | | 2014-07-31 | [424B1](https://www.sec.gov/Archives/edgar/data/1604665/000119312514289742/0001193125-14-289742-index.htm) Final prospectus | 333-195551 | 0001193125-14-289742 | | 2014-07-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1604665/999999999514002278/9999999995-14-002278-index.htm) Declared effective | 333-195551 | 9999999995-14-002278 | | 2014-07-29 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514283134/0001193125-14-283134-index.htm) Amendment | 333-195551 | 0001193125-14-283134 | | 2014-07-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514273392/0001193125-14-273392-index.htm) Amendment | 333-195551 | 0001193125-14-273392 | | 2014-07-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514268047/0001193125-14-268047-index.htm) Amendment | 333-195551 | 0001193125-14-268047 | | 2014-07-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514263367/0001193125-14-263367-index.htm) Amendment | 333-195551 | 0001193125-14-263367 | | 2014-06-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514256099/0001193125-14-256099-index.htm) Amendment | 333-195551 | 0001193125-14-256099 | | 2014-06-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1604665/000119312514228937/0001193125-14-228937-index.htm) Amendment | 333-195551 | 0001193125-14-228937 | | 2014-04-29 | [S-1](https://www.sec.gov/Archives/edgar/data/1604665/000119312514164760/0001193125-14-164760-index.htm) Registration filed | 333-195551 | 0001193125-14-164760 | [All filings of this company](https://equitycapital.markets/filings?cik=1604665) · [CSV](https://equitycapital.markets/filings.csv?cik=1604665) --- Source page: https://equitycapital.markets/company/1604665 · Data: U.S. SEC EDGAR · CC BY 4.0