Northwest Pipeline Llc

Industry
Natural Gas Transmission (Office Of Energy & Transportation)
Business address
295 Chipeta Way, Salt Lake City, UT, 84108
Fiscal year end
December 31
Former names
NORTHWEST PIPELINE GP (to 5/8/2013), NORTHWEST PIPELINE CORP (to 9/12/2007)
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Northwest Pipeline Llc has filed 222 SEC EDGAR filings since 2/28/1995

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing 8-K Dec 1, 2025 Dec 1, 2025 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 3, 2025 Sep 30, 2025 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 4, 2025 Jun 30, 2025 001-07414
10-Q Open Document | Data Open Filing 10-Q May 5, 2025 Mar 31, 2025 001-07414
10-K Open Document | Data Open Filing 10-K Feb 25, 2025 Dec 31, 2024 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 6, 2024 Sep 30, 2024 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 5, 2024 Jun 30, 2024 001-07414
10-Q Open Document | Data Open Filing 10-Q May 6, 2024 Mar 31, 2024 001-07414
10-K Open Document | Data Open Filing 10-K Feb 21, 2024 Dec 31, 2023 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 1, 2023 Sep 30, 2023 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 2, 2023 Jun 30, 2023 001-07414
10-Q Open Document | Data Open Filing 10-Q May 3, 2023 Mar 31, 2023 001-07414
10-K Open Document | Data Open Filing 10-K Feb 27, 2023 Dec 31, 2022 001-07414
10-Q Open Document | Data Open Filing 10-Q Oct 31, 2022 Sep 30, 2022 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 1, 2022 Jun 30, 2022 001-07414
10-Q Open Document | Data Open Filing 10-Q May 2, 2022 Mar 31, 2022 001-07414
10-K Open Document | Data Open Filing 10-K Feb 28, 2022 Dec 31, 2021 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 1, 2021 Sep 30, 2021 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 2, 2021 Jun 30, 2021 001-07414
10-Q Open Document | Data Open Filing 10-Q May 3, 2021 Mar 31, 2021 001-07414
10-K Open Document | Data Open Filing 10-K Feb 24, 2021 Dec 31, 2020 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 2, 2020 Sep 30, 2020 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 3, 2020 Jun 30, 2020 001-07414
10-Q Open Document | Data Open Filing 10-Q May 4, 2020 Mar 31, 2020 001-07414
10-K Open Document | Data Open Filing 10-K Feb 24, 2020 Dec 31, 2019 001-07414
10-Q Open Document | Data Open Filing 10-Q Oct 31, 2019 Sep 30, 2019 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 1, 2019 Jun 30, 2019 001-07414
10-Q Open Document | Data Open Filing 10-Q May 2, 2019 Mar 31, 2019 001-07414
10-K/A Open Document Open Filing 10-K/A Feb 21, 2019 Dec 31, 2018 001-07414
10-K Open Document | Data Open Filing 10-K Feb 21, 2019 Dec 31, 2018 001-07414
EFFECT Open Document Open Filing Nov 13, 2018 333-228174
424B3 Open Document Open Filing 424B3 Nov 13, 2018 333-228174
8-K Open Document Open Filing FORM 8-K Nov 13, 2018 Nov 13, 2018 001-07414
CORRESP Open Document Open Filing Nov 8, 2018
UPLOAD Open Document Open Filing Nov 8, 2018
CORRESP Open Document Open Filing Nov 5, 2018
S-4 Open Document Open Filing S-4 Nov 5, 2018 333-228174
10-Q Open Document | Data Open Filing 10-Q Nov 1, 2018 Sep 30, 2018 001-07414
8-K Open Document Open Filing FORM 8-K Aug 24, 2018 Aug 24, 2018 001-07414
8-K Open Document Open Filing 8-K Aug 21, 2018 Aug 21, 2018 001-07414
8-K Open Document Open Filing 8-K Aug 10, 2018 Aug 10, 2018 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 2, 2018 Jun 30, 2018 001-07414
8-K Open Document Open Filing 8-K Jul 17, 2018 Jul 13, 2018 001-07414
10-Q Open Document | Data Open Filing 10-Q May 3, 2018 Mar 31, 2018 001-07414
10-K Open Document | Data Open Filing 10-K Feb 22, 2018 Dec 31, 2017 001-07414
8-K Open Document Open Filing 8-K Jan 30, 2018 Jan 30, 2018 001-07414
424B3 Open Document Open Filing 424B3 Jan 30, 2018 333-222633
EFFECT Open Document Open Filing Jan 29, 2018 333-222633
UPLOAD Open Document Open Filing Jan 25, 2018
CORRESP Open Document Open Filing Jan 25, 2018
CORRESP Open Document Open Filing Jan 19, 2018
S-4 Open Document Open Filing S-4 Jan 19, 2018 333-222633
8-K Open Document Open Filing 8-K Nov 22, 2017 Nov 17, 2017 001-07414
10-Q Open Document | Data Open Filing 10-Q Nov 2, 2017 Sep 30, 2017 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 3, 2017 Jun 30, 2017 001-07414
10-Q Open Document | Data Open Filing 10-Q May 4, 2017 Mar 31, 2017 001-07414
8-K Open Document Open Filing 8-K Apr 3, 2017 Apr 3, 2017 001-07414
8-K Open Document Open Filing FORM 8-K Mar 30, 2017 Mar 29, 2017 001-07414
10-K Open Document | Data Open Filing 10-K Feb 22, 2017 Dec 31, 2016 001-07414
10-Q Open Document | Data Open Filing 10-Q Oct 31, 2016 Sep 30, 2016 001-07414
10-Q Open Document | Data Open Filing 10-Q Aug 2, 2016 Jun 30, 2016 001-07414
10-Q Open Document | Data Open Filing 10-Q May 5, 2016 Mar 31, 2016 001-07414
10-K Open Document | Data Open Filing 10-K Feb 24, 2016 Dec 31, 2015 001-07414
8-K Open Document Open Filing 8-K Dec 23, 2015 Dec 18, 2015 001-07414
10-Q Open Document | Data Open Filing 10-Q Oct 29, 2015 Sep 30, 2015 001-07414
10-Q Open Document | Data Open Filing 10-Q Jul 30, 2015 Jun 30, 2015 001-07414
10-Q Open Document | Data Open Filing 10-Q Apr 30, 2015 Mar 31, 2015 001-07414
10-K Open Document | Data Open Filing 10-K Feb 25, 2015 Dec 31, 2014 001-07414
8-K Open Document Open Filing FORM 8-K Feb 3, 2015 Feb 2, 2015 001-07414
8-K Open Document Open Filing LIVE FILING Dec 4, 2014 Dec 1, 2014 001-07414
10-Q Open Document | Data Open Filing 10-Q Oct 30, 2014 Sep 30, 2014 001-07414
10-Q Open Document | Data Open Filing 10-Q Jul 31, 2014 Jun 30, 2014 001-07414
10-Q Open Document | Data Open Filing 10-Q May 1, 2014 Mar 31, 2014 001-07414
10-K Open Document | Data Open Filing 10-K Feb 26, 2014 Dec 31, 2013 001-07414