Company · CIK 1262943 # BOARDWALK PIPELINES LP | CIK | [1262943](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001262943) (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 | 2003-11-10 | ## Offerings 11 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-294210-01 | Shelf Effective | 2026-03-11 | 2026-03-19 | 2 | | 333-274067-01 | Shelf Effective | 2023-08-18 | 2025-11-13 | 4 | | 333-252934-01 | Shelf Effective | 2021-02-10 | 2022-02-09 | 3 | | 333-228714-01 | Shelf Effective | 2018-12-07 | 2020-08-04 | 4 | | 333-208626-01 | Shelf Effective | 2015-12-18 | 2018-07-20 | 3 | | 333-208627-01 | Shelf Effective | 2015-12-18 | 2017-01-05 | 3 | | 333-186768-01 | Shelf Effective | 2013-02-20 | 2015-03-12 | 4 | | 333-186767-01 | Shelf Effective | 2013-02-20 | 2013-05-06 | 2 | | 333-166373-01 | Shelf Effective | 2010-04-29 | 2012-11-05 | 2 | | 333-141058-01 | Shelf Effective | 2007-03-05 | 2007-03-05 | 1 | | 333-137690-01 | Registered company Final prospectus | 2006-09-29 | 2006-11-17 | 5 | ## Filings 33 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-03-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999526000877/9999999995-26-000877-index.htm) Declared effective | 333-294210-01 | 9999999995-26-000877 | | 2026-03-11 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312526102137/0001193125-26-102137-index.htm) Shelf registered | 333-294210-01 | 0001193125-26-102137 | | 2025-11-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312525279136/0001193125-25-279136-index.htm) Shelf takedown | 333-274067-01 | 0001193125-25-279136 | | 2024-02-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312524027651/0001193125-24-027651-index.htm) Shelf takedown | 333-274067-01 | 0001193125-24-027651 | | 2023-09-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999523002674/9999999995-23-002674-index.htm) Declared effective | 333-274067-01 | 9999999995-23-002674 | | 2023-08-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312523215751/0001193125-23-215751-index.htm) Shelf registered | 333-274067-01 | 0001193125-23-215751 | | 2022-02-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312522032101/0001193125-22-032101-index.htm) Shelf takedown | 333-252934-01 | 0001193125-22-032101 | | 2021-02-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999521000707/9999999995-21-000707-index.htm) Declared effective | 333-252934-01 | 9999999995-21-000707 | | 2021-02-10 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312521035237/0001193125-21-035237-index.htm) Shelf registered | 333-252934-01 | 0001193125-21-035237 | | 2020-08-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312520208834/0001193125-20-208834-index.htm) Shelf takedown | 333-228714-01 | 0001193125-20-208834 | | 2019-04-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312519127490/0001193125-19-127490-index.htm) Shelf takedown | 333-228714-01 | 0001193125-19-127490 | | 2018-12-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999518003159/9999999995-18-003159-index.htm) Declared effective | 333-228714-01 | 9999999995-18-003159 | | 2018-12-07 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312518344942/0001193125-18-344942-index.htm) Shelf registered | 333-228714-01 | 0001193125-18-344942 | | 2018-07-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999518001838/9999999995-18-001838-index.htm) Declared effective | 333-208626-01 | 9999999995-18-001838 | | 2017-01-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312517002449/0001193125-17-002449-index.htm) Shelf takedown | 333-208627-01 | 0001193125-17-002449 | | 2016-05-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312516586471/0001193125-16-586471-index.htm) Shelf takedown | 333-208627-01 | 0001193125-16-586471 | | 2016-01-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999516003472/9999999995-16-003472-index.htm) Declared effective | 333-208626-01 | 9999999995-16-003472 | | 2015-12-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1262943/000119312515407828/0001193125-15-407828-index.htm) Shelf registered | 333-208627-01 | 0001193125-15-407828 | | 2015-12-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312515407824/0001193125-15-407824-index.htm) Shelf registered | 333-208626-01 | 0001193125-15-407824 | | 2015-03-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312515087658/0001193125-15-087658-index.htm) Shelf takedown | 333-186768-01 | 0001193125-15-087658 | | 2015-03-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000095012315003873/0000950123-15-003873-index.htm) Shelf takedown | 333-186768-01 | 0000950123-15-003873 | | 2014-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312514417725/0001193125-14-417725-index.htm) Shelf takedown | 333-186768-01 | 0001193125-14-417725 | | 2013-05-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999513001408/9999999995-13-001408-index.htm) Declared effective | 333-186767-01 | 9999999995-13-001408 | | 2013-02-20 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1262943/000119312513067421/0001193125-13-067421-index.htm) Shelf registered | 333-186768-01 | 0001193125-13-067421 | | 2013-02-20 | [S-3](https://www.sec.gov/Archives/edgar/data/1262943/000119312513067402/0001193125-13-067402-index.htm) Shelf registered | 333-186767-01 | 0001193125-13-067402 | | 2012-11-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1262943/000119312512450623/0001193125-12-450623-index.htm) Shelf takedown | 333-166373-01 | 0001193125-12-450623 | | 2010-04-29 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1262943/000119312510098770/0001193125-10-098770-index.htm) Shelf registered | 333-166373-01 | 0001193125-10-098770 | | 2007-03-05 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1262943/000119312507045695/0001193125-07-045695-index.htm) Shelf registered | 333-141058-01 | 0001193125-07-045695 | | 2006-11-17 | [424B4](https://www.sec.gov/Archives/edgar/data/1262943/000119312506238043/0001193125-06-238043-index.htm) Final prospectus | 333-137690-01 | 0001193125-06-238043 | | 2006-11-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1262943/999999999506002381/9999999995-06-002381-index.htm) Declared effective | 333-137690-01 | 9999999995-06-002381 | | 2006-11-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1262943/000119312506236853/0001193125-06-236853-index.htm) Amendment | 333-137690-01 | 0001193125-06-236853 | | 2006-11-14 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1262943/000119312506235139/0001193125-06-235139-index.htm) Amendment | 333-137690-01 | 0001193125-06-235139 | | 2006-09-29 | [S-1](https://www.sec.gov/Archives/edgar/data/1262943/000119312506200207/0001193125-06-200207-index.htm) Registration filed | 333-137690-01 | 0001193125-06-200207 | [All filings of this company](https://equitycapital.markets/filings?cik=1262943) · [CSV](https://equitycapital.markets/filings.csv?cik=1262943) --- Source page: https://equitycapital.markets/company/1262943 · Data: U.S. SEC EDGAR · CC BY 4.0