Company · CIK 1414475 # Western Midstream Operating, LP | CIK | [1414475](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001414475) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4922 — Natural Gas Transmission | | Incorporated in | DE | | Business address | TX | | Listed | no ticker on SEC record today | | First annual or quarterly report | 2008-06-13 | ## Offerings 12 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-296931-01 | Shelf Effective | 2026-06-22 | 2026-06-22 | 2 | | 333-270964-01 | Shelf Effective | 2023-03-30 | 2025-12-03 | 5 | | 333-231590-01 | Shelf Effective | 2019-05-17 | 2020-01-10 | 2 | | 333-216583 | Shelf Effective | 2017-03-09 | 2019-03-04 | 3 | | 333-219242 | Shelf Effective | 2017-07-11 | 2019-03-04 | 3 | | 333-214446 | Shelf Effective | 2016-11-04 | 2016-11-04 | 1 | | 333-193828 | Shelf Effective | 2014-02-07 | 2016-10-07 | 6 | | 333-198436 | Shelf Effective | 2014-08-28 | 2015-03-13 | 3 | | 333-174043 | Shelf Effective | 2011-05-09 | 2013-12-04 | 9 | | 333-183505 | Shelf Effective | 2012-08-23 | 2012-12-28 | 3 | | 333-160000 | Shelf Effective | 2009-06-16 | 2011-03-01 | 6 | | 333-146700 | IPO Final prospectus | 2007-10-15 | 2008-05-09 | 8 | ## Filings 51 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-06-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312526276834/0001193125-26-276834-index.htm) Shelf takedown | 333-296931-01 | 0001193125-26-276834 | | 2026-06-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000119312526276739/0001193125-26-276739-index.htm) Shelf registered | 333-296931-01 | 0001193125-26-276739 | | 2025-12-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312525305555/0001193125-25-305555-index.htm) Shelf takedown | 333-270964-01 | 0001193125-25-305555 | | 2024-08-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312524202190/0001193125-24-202190-index.htm) Shelf takedown | 333-270964-01 | 0001193125-24-202190 | | 2023-09-28 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312523245760/0001193125-23-245760-index.htm) Shelf takedown | 333-270964-01 | 0001193125-23-245760 | | 2023-04-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312523089676/0001193125-23-089676-index.htm) Shelf takedown | 333-270964-01 | 0001193125-23-089676 | | 2023-03-30 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000119312523084519/0001193125-23-084519-index.htm) Shelf registered | 333-270964-01 | 0001193125-23-084519 | | 2020-01-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312520005523/0001193125-20-005523-index.htm) Shelf takedown | 333-231590-01 | 0001193125-20-005523 | | 2019-05-17 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000142390219000048/0001423902-19-000048-index.htm) Shelf registered | 333-231590-01 | 0001423902-19-000048 | | 2019-03-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999519000356/9999999995-19-000356-index.htm) Declared effective | 333-219242 | 9999999995-19-000356 | | 2019-03-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999519000355/9999999995-19-000355-index.htm) Declared effective | 333-216583 | 9999999995-19-000355 | | 2017-07-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999517001877/9999999995-17-001877-index.htm) Declared effective | 333-219242 | 9999999995-17-001877 | | 2017-07-11 | [S-3](https://www.sec.gov/Archives/edgar/data/1414475/000141447517000038/0001414475-17-000038-index.htm) Shelf registered | 333-219242 | 0001414475-17-000038 | | 2017-03-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999517000691/9999999995-17-000691-index.htm) Declared effective | 333-216583 | 9999999995-17-000691 | | 2017-03-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1414475/000141447517000016/0001414475-17-000016-index.htm) Shelf registered | 333-216583 | 0001414475-17-000016 | | 2016-11-04 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000141447516000102/0001414475-16-000102-index.htm) Shelf registered | 333-214446 | 0001414475-16-000102 | | 2016-10-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312516733799/0001193125-16-733799-index.htm) Shelf takedown | 333-193828 | 0001193125-16-733799 | | 2016-07-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312516640512/0001193125-16-640512-index.htm) Shelf takedown | 333-193828 | 0001193125-16-640512 | | 2015-05-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312515202105/0001193125-15-202105-index.htm) Shelf takedown | 333-193828 | 0001193125-15-202105 | | 2015-03-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312515089607/0001193125-15-089607-index.htm) Shelf takedown | 333-198436 | 0001193125-15-089607 | | 2014-10-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312514391822/0001193125-14-391822-index.htm) Shelf takedown | 333-193828 | 0001193125-14-391822 | | 2014-09-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999514002733/9999999995-14-002733-index.htm) Declared effective | 333-198436 | 9999999995-14-002733 | | 2014-08-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1414475/000141447514000042/0001414475-14-000042-index.htm) Shelf registered | 333-198436 | 0001414475-14-000042 | | 2014-03-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312514096002/0001193125-14-096002-index.htm) Shelf takedown | 333-193828 | 0001193125-14-096002 | | 2014-02-07 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000141447514000005/0001414475-14-000005-index.htm) Shelf registered | 333-193828 | 0001414475-14-000005 | | 2013-12-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312513461001/0001193125-13-461001-index.htm) Shelf takedown | 333-174043 | 0001193125-13-461001 | | 2013-08-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312513322046/0001193125-13-322046-index.htm) Shelf takedown | 333-174043 | 0001193125-13-322046 | | 2013-05-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312513220239/0001193125-13-220239-index.htm) Shelf takedown | 333-174043 | 0001193125-13-220239 | | 2012-12-28 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312512518459/0001193125-12-518459-index.htm) Shelf takedown | 333-183505 | 0001193125-12-518459 | | 2012-10-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312512419792/0001193125-12-419792-index.htm) Shelf takedown | 333-174043 | 0001193125-12-419792 | | 2012-09-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999512002770/9999999995-12-002770-index.htm) Declared effective | 333-183505 | 9999999995-12-002770 | | 2012-08-23 | [S-3](https://www.sec.gov/Archives/edgar/data/1414475/000119312512366458/0001193125-12-366458-index.htm) Shelf registered | 333-183505 | 0001193125-12-366458 | | 2012-06-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312512280471/0001193125-12-280471-index.htm) Shelf takedown | 333-174043 | 0001193125-12-280471 | | 2012-06-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000119312512275370/0001193125-12-275370-index.htm) Shelf takedown | 333-174043 | 0001193125-12-275370 | | 2011-09-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012311085519/0000950123-11-085519-index.htm) Shelf takedown | 333-174043 | 0000950123-11-085519 | | 2011-05-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012311048417/0000950123-11-048417-index.htm) Shelf takedown | 333-174043 | 0000950123-11-048417 | | 2011-05-09 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1414475/000095012311047090/0000950123-11-047090-index.htm) Shelf registered | 333-174043 | 0000950123-11-047090 | | 2011-03-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012311020820/0000950123-11-020820-index.htm) Shelf takedown | 333-160000 | 0000950123-11-020820 | | 2010-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012310103793/0000950123-10-103793-index.htm) Shelf takedown | 333-160000 | 0000950123-10-103793 | | 2010-05-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012310049153/0000950123-10-049153-index.htm) Shelf takedown | 333-160000 | 0000950123-10-049153 | | 2009-12-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1414475/000095012309068612/0000950123-09-068612-index.htm) Shelf takedown | 333-160000 | 0000950123-09-068612 | | 2009-08-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999509002291/9999999995-09-002291-index.htm) Declared effective | 333-160000 | 9999999995-09-002291 | | 2009-06-16 | [S-3](https://www.sec.gov/Archives/edgar/data/1414475/000095012309014273/0000950123-09-014273-index.htm) Shelf registered | 333-160000 | 0000950123-09-014273 | | 2008-05-09 | [424B1](https://www.sec.gov/Archives/edgar/data/1414475/000095012908002898/0000950129-08-002898-index.htm) Final prospectus | 333-146700 | 0000950129-08-002898 | | 2008-05-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1414475/999999999508001492/9999999995-08-001492-index.htm) Declared effective | 333-146700 | 9999999995-08-001492 | | 2008-04-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1414475/000095012908002415/0000950129-08-002415-index.htm) Amendment | 333-146700 | 0000950129-08-002415 | | 2008-04-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1414475/000095012908002246/0000950129-08-002246-index.htm) Amendment | 333-146700 | 0000950129-08-002246 | | 2008-01-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1414475/000095012908000375/0000950129-08-000375-index.htm) Amendment | 333-146700 | 0000950129-08-000375 | | 2008-01-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1414475/000095013408000898/0000950134-08-000898-index.htm) Amendment | 333-146700 | 0000950134-08-000898 | | 2007-12-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1414475/000095012907006390/0000950129-07-006390-index.htm) Amendment | 333-146700 | 0000950129-07-006390 | | 2007-10-15 | [S-1](https://www.sec.gov/Archives/edgar/data/1414475/000095013407021265/0000950134-07-021265-index.htm) Registration filed | 333-146700 | 0000950134-07-021265 | [All filings of this company](https://equitycapital.markets/filings?cik=1414475) · [CSV](https://equitycapital.markets/filings.csv?cik=1414475) --- Source page: https://equitycapital.markets/company/1414475 · Data: U.S. SEC EDGAR · CC BY 4.0