Filer Snapshot

TRANSCANADA PIPELINES LTD SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0000099070.

Entity Type

Company

Total Filings

479

Latest Filing

01 May 2026

Industry

Natural Gas Transmission

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Source: SEC filing 6-K

6-K filed on 01 May 2026 for CIK 0000099070.

View Source Filing
Symbol
TCPA on NYSE
Industry
Natural Gas Transmission (Office Of Energy & Transportation)
Business address
450 1 St Street Sw, Po Box 1000 Station M, Calgary Alberta, Alberta, Canada, T2P 5H1
Fiscal year end
31 December

Quick Takeaways

  • TRANSCANADA PIPELINES LTD is an SEC filer tracked under CIK 0000099070.
  • 479 filings are listed on this profile.
  • Common form coverage includes 6-K, SUPPL, FWP and more.

What Changed

  • Latest filing: 6-K filed on 01 May 2026.
  • Report period: 31 Mar 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC filing 6-K

6-K filed on 01 May 2026 for CIK 0000099070.

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Return Loop

Why revisit this filer page

A newly filed 6-K can change the filing history, ownership context, or next research path for TRANSCANADA PIPELINES LTD.

Latest source-backed update
6-K filed 01 May 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 6-K filed 01 May 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for TRANSCANADA PIPELINES LTD

New fact period available

Latest financial period: Q4 2017. Open the source-backed page to inspect the fresh filing or facts context.

Update date

16 Feb 2018

Page type

Company facts

Latest period

Q4 2017

SEC-backed company facts were refreshed from filings filed on 16 Feb 2018.

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Benchmark Context

Benchmark context for this company

TRANSCANADA PIPELINES LTD has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest financial period: Q4 2017. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 16 Feb 2018.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Company intelligence

Research TRANSCANADA PIPELINES LTD from filings to ownership signals

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Active modules

2/5

Available company intelligence paths on this page.

Filings

479

SEC submissions provide the evidence trail.

Ownership context

0/3

Insider, large-stake, and institutional ownership lanes.

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SEC filings

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Company facts

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Forms 3/4/5

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Filer Overview

TRANSCANADA PIPELINES LTD has filed 479 SEC EDGAR filings since 10 Feb 1995. Common forms include 6-K, SUPPL, FWP, 40-F and more.

Natural Gas Transmission Latest 13F filings

Latest Filings

Recent SEC filings for TRANSCANADA PIPELINES LTD with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 1, 2026 01 May 2026 31 Mar 2026 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 01 May 2026 31 Mar 2026 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Apr 2026 15 Apr 2026 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 15 Apr 2026 333-283633
FWP Open FWP document View SEC filing for FWP FWP 15 Apr 2026 333-283633
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 14 Apr 2026 333-283633
6-K Open 6-K document View SEC filing for 6-K TCE_TCPL JOINT FORM 6-K DATED MARCH 20, 2026 20 Mar 2026 05 Mar 2026 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 13, 2026 13 Feb 2026 31 Dec 2025 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 13 Feb 2026 31 Dec 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED NOVEMBER 6, 2025 06 Nov 2025 30 Sep 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K TCE FORM 6-K DATED NOVEMBER 6, 2025 06 Nov 2025 30 Sep 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 29 Oct 2025 29 Oct 2025 001-08887
CERT Open CERT document View SEC filing for CERT NYSE CERTIFICATION 14 Oct 2025 001-08887
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 10 Oct 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Oct 2025 08 Oct 2025 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 08 Oct 2025 333-283633
FWP Open FWP document View SEC filing for FWP FWP 06 Oct 2025 333-283633
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 06 Oct 2025 333-283633
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 31, 2025 31 Jul 2025 30 Jun 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Jul 2025 30 Jun 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 1, 2025 01 May 2025 31 Mar 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 01 May 2025 31 Mar 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K TCE_TCPL JOINT FORM 6-K DATED MARCH 21, 2025 21 Mar 2025 14 Mar 2025 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 21 Feb 2025 21 Feb 2025 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 20 Feb 2025 333-283633
FWP Open FWP document View SEC filing for FWP FWP 19 Feb 2025 333-283633
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 19 Feb 2025 333-283633
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 14, 2025 14 Feb 2025 31 Dec 2024 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 14 Feb 2025 31 Dec 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 13 Feb 2025 13 Feb 2025 001-08887
F-X Open F-X document View SEC filing for F-X F-X 05 Dec 2024 333-283633
F-10EF Open F-10EF document | Open XBRL data View SEC filing for F-10EF F-10EF 05 Dec 2024 333-283633
6-K Open 6-K document View SEC filing for 6-K 6-K 07 Nov 2024 30 Sep 2024 001-08887
6-K/A Open 6-K/A document View SEC filing for 6-K/A 6-K/A 24 Oct 2024 24 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Oct 2024 09 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Oct 2024 09 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Oct 2024 09 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Oct 2024 08 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED OCTOBER 1, 2024 01 Oct 2024 01 Oct 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 13 Sep 2024 13 Sep 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED AUGUST 1, 2024 01 Aug 2024 30 Jun 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Aug 2024 30 Jun 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 3, 2024 03 May 2024 31 Mar 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 03 May 2024 31 Mar 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Apr 2024 16 Apr 2024 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 16, 2024 16 Feb 2024 31 Dec 2023 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 16 Feb 2024 31 Dec 2023 001-08887
F-X Open F-X document View SEC filing for F-X F-X 18 Jan 2024 333-276558
F-10EF Open F-10EF document View SEC filing for F-10EF F-10EF 18 Jan 2024 333-276558
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED NOVEMBER 8, 2023 08 Nov 2023 30 Sep 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Nov 2023 30 Sep 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Oct 2023 16 Oct 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 27, 2023 27 Jul 2023 30 Jun 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Jul 2023 30 Jun 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED APRIL 28, 2023 28 Apr 2023 31 Mar 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Apr 2023 31 Mar 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K TCE_TCPL JOINT FORM 6-K DATED MARCH 17, 2023 17 Mar 2023 01 Mar 2023 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Mar 2023 08 Mar 2023 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 08 Mar 2023 333-261533
FWP Open FWP document View SEC filing for FWP FWP 07 Mar 2023 333-261533
FWP Open FWP document View SEC filing for FWP FWP 07 Mar 2023 333-261533
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 07 Mar 2023 333-261533
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 14, 2023 14 Feb 2023 31 Dec 2022 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 14 Feb 2023 31 Dec 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED NOVEMBER 9, 2022 09 Nov 2022 30 Sep 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Nov 2022 30 Sep 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 07 Nov 2022 07 Nov 2022 001-08887
F-X Open F-X document View SEC filing for F-X F-X 08 Sep 2022 333-267323-01
F-X Open F-X document View SEC filing for F-X F-X 08 Sep 2022 333-267323-01
F-X Open F-X document View SEC filing for F-X F-X 08 Sep 2022 333-267323-01
F-10 Open F-10 document View SEC filing for F-10 F-10 08 Sep 2022 333-267323-01
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 28, 2022 28 Jul 2022 30 Jun 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Jul 2022 30 Jun 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED APRIL 29, 2022 29 Apr 2022 31 Mar 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 29 Apr 2022 31 Mar 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K TCE_TCPL JOINT FORM 6-K DATED MARCH 14, 2022 14 Mar 2022 24 Feb 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 07 Mar 2022 07 Mar 2022 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Mar 2022 03 Mar 2022 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 04 Mar 2022 333-253333-01
FWP Open FWP document View SEC filing for FWP FWP 03 Mar 2022
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 02 Mar 2022 333-253333-01
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 15, 2022 15 Feb 2022 31 Dec 2021 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 15 Feb 2022 31 Dec 2021 001-08887
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 15 Dec 2021 333-261533
F-X Open F-X document View SEC filing for F-X F-X 08 Dec 2021 333-261533
F-10 Open F-10 document View SEC filing for F-10 F-10 08 Dec 2021 333-261533
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED NOVEMBER 5, 2021 05 Nov 2021 30 Sep 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 05 Nov 2021 30 Sep 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Oct 2021 14 Oct 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Oct 2021 08 Oct 2021 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 08 Oct 2021 333-235546
FWP Open FWP document View SEC filing for FWP FWP 08 Oct 2021 333-235546
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 07 Oct 2021 333-235546
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 29, 2021 29 Jul 2021 30 Jun 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 29 Jul 2021 30 Jun 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 7, 2021 07 May 2021 31 Mar 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 07 May 2021 31 Mar 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MARCH 22, 2021 22 Mar 2021 04 Mar 2021 001-08887
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 17 Mar 2021 333-253333-01
F-X Open F-X document View SEC filing for F-X F-X 22 Feb 2021 333-253333-01
F-X Open F-X document View SEC filing for F-X F-X 22 Feb 2021 333-253333-01
F-X Open F-X document View SEC filing for F-X F-X 22 Feb 2021 333-253333-01
F-10 Open F-10 document View SEC filing for F-10 F-10 22 Feb 2021 333-253333-01
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 18, 2021 19 Feb 2021 17 Feb 2021 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 18, 2021 18 Feb 2021 31 Dec 2020 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 18 Feb 2021 31 Dec 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED OCTOBER 29, 2020 29 Oct 2020 30 Sep 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED OCTOBER 29, 2020 29 Oct 2020 30 Sep 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 30, 2020 30 Jul 2020 30 Jun 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED JULY 30, 2020 30 Jul 2020 30 Jun 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 30, 2020 30 Jul 2020 30 Jun 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 1, 2020 01 May 2020 31 Mar 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MAY 1, 2020 01 May 2020 31 Mar 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 03 Apr 2020 03 Apr 2020 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 03 Apr 2020 333-235546
FWP Open FWP document View SEC filing for FWP FWP 02 Apr 2020 333-235546
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 02 Apr 2020 333-235546
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MARCH 16, 2020 16 Mar 2020 27 Feb 2020 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 13, 2020 13 Feb 2020 31 Dec 2019 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F FORM 40-F 13 Feb 2020 31 Dec 2019 001-08887
EFFECT Open EFFECT document View SEC filing for EFFECT 23 Dec 2019 333-235546
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 23 Dec 2019 333-235546
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Dec 2019 20 Dec 2019 001-08887
F-X Open F-X document View SEC filing for F-X F-X 17 Dec 2019 333-235546
F-10 Open F-10 document View SEC filing for F-10 F-10 17 Dec 2019 333-235546
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED NOVEMBER 1, 2019 01 Nov 2019 30 Sep 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 1, 2019 01 Nov 2019 30 Sep 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 12 Sep 2019 12 Sep 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 11 Sep 2019 11 Sep 2019 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 11 Sep 2019 333-232968-01
F-10POS Open F-10POS document View SEC filing for F-10POS F-10POS 28 Aug 2019 333-232968-01
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Aug 2019 333-232968-01
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 12 Aug 2019 333-232968-01
F-X Open F-X document View SEC filing for F-X F-X 02 Aug 2019 333-232968-01
F-X Open F-X document View SEC filing for F-X F-X 02 Aug 2019 333-232968-01
F-X Open F-X document View SEC filing for F-X F-X 02 Aug 2019 333-232968-01
F-10 Open F-10 document View SEC filing for F-10 F-10 01 Aug 2019 333-232968-01
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED AUGUST 1, 2019 01 Aug 2019 30 Jun 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 31, 2019 01 Aug 2019 30 Jun 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 3, 2019 03 May 2019 28 Feb 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED MAY 3, 2019 03 May 2019 31 Mar 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MAY 3, 2019 03 May 2019 31 Mar 2019 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL FORM 6-K DATED FEBRUARY 14, 2019 14 Feb 2019 14 Feb 2019 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F FORM 40-F 14 Feb 2019 31 Dec 2018 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 1, 2018 01 Nov 2018 30 Sep 2018 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 11 Oct 2018 10 Oct 2018 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 11 Oct 2018 333-221898
FWP Open FWP document View SEC filing for FWP FWP 10 Oct 2018 333-221898
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 10 Oct 2018 333-221898
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED AUGUST 2, 2018 02 Aug 2018 30 Jun 2018 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 04 May 2018 03 May 2018 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 04 May 2018 333-221898
FWP Open FWP document View SEC filing for FWP FWP 04 May 2018 333-221898
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 03 May 2018 333-221898
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED APRIL 27, 2018 27 Apr 2018 31 Mar 2018 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A TCPL 40-F/A DATED MARCH 12, 2018 13 Mar 2018 31 Dec 2017 001-08887
6-K Open 6-K document View SEC filing for 6-K TCPL EARNINGS COVERAGE 6-K YE2017 16 Feb 2018 31 Dec 2017 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F FORM 40-F 16 Feb 2018 31 Dec 2017 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 02 Feb 2018 02 Feb 2018 001-08887
EFFECT Open EFFECT document View SEC filing for EFFECT 11 Dec 2017 333-221898
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 11 Dec 2017 333-221898
F-X Open F-X document View SEC filing for F-X F-X 04 Dec 2017 333-221898
F-10 Open F-10 document View SEC filing for F-10 F-10 04 Dec 2017 333-221898
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Nov 2017 15 Nov 2017 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 16 Nov 2017 333-208588
FWP Open FWP document View SEC filing for FWP FWP 15 Nov 2017 333-208588
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Nov 2017 15 Nov 2017 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 15 Nov 2017 333-208588
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 9, 2017 09 Nov 2017 30 Sep 2017 001-08887
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K DATED JULY 28, 2017 28 Jul 2017 30 Jun 2017 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MAY 5, 2017 05 May 2017 31 Mar 2017 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A 40-F/A 21 Mar 2017 31 Dec 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 02 Mar 2017 02 Mar 2017 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Mar 2017 27 Feb 2017 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 28 Feb 2017 333-216137-01
EFFECT Open EFFECT document View SEC filing for EFFECT 27 Feb 2017 333-216137-01
FWP Open FWP document View SEC filing for FWP FWP 27 Feb 2017 333-216137-01
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 24 Feb 2017 333-216137-01
3 Open 3 document View SEC filing for 3 FORM 3 22 Feb 2017 01 Jul 2016 001-36835
4 Open 4 document View SEC filing for 4 FORM 4 22 Feb 2017 17 Feb 2017 001-36835
F-X Open F-X document View SEC filing for F-X F-X 21 Feb 2017 333-216137-01
F-X Open F-X document View SEC filing for F-X F-X 21 Feb 2017 333-216137-01
F-X Open F-X document View SEC filing for F-X F-X 21 Feb 2017
F-10 Open F-10 document View SEC filing for F-10 F-10 21 Feb 2017 333-216137-01
6-K Open 6-K document View SEC filing for 6-K 6-K 17 Feb 2017 31 Dec 2016 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F FORM 40-F 17 Feb 2017 31 Dec 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Nov 2016 08 Nov 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 3, 2016 03 Nov 2016 30 Sep 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 18 Aug 2016 18 Aug 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 11 Aug 2016 11 Aug 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 10 Aug 2016 10 Aug 2016 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 10 Aug 2016 333-212720-01
FWP Open FWP document View SEC filing for FWP FWP 09 Aug 2016 333-212720-01
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Aug 2016 333-212720-01
F-X/A Open F-X/A document View SEC filing for F-X/A F-X/A 08 Aug 2016 333-212720-01
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 05 Aug 2016 333-212720-01
F-X Open F-X document View SEC filing for F-X F-X 29 Jul 2016 333-212720-01
F-X Open F-X document View SEC filing for F-X F-X 29 Jul 2016 333-212720-01
F-X Open F-X document View SEC filing for F-X F-X 29 Jul 2016 333-212720-01
F-10 Open F-10 document View SEC filing for F-10 F-10 28 Jul 2016 333-212720-01
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 28, 2016 28 Jul 2016 30 Jun 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 25 Jul 2016 22 Jul 2016 001-08887
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K DATED APRIL 29, 2016 29 Apr 2016 31 Mar 2016 001-08887
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K 6-K 07 Apr 2016 07 Apr 2016 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A TCPL FORM 40-F/A 14 Mar 2016 14 Mar 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Feb 2016 26 Feb 2016 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED FEBRUARY 11, 2016 11 Feb 2016 11 Feb 2016 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F FORM 40-F 11 Feb 2016 31 Dec 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Jan 2016 27 Jan 2016 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 25 Jan 2016 333-208588
FWP Open FWP document View SEC filing for FWP FWP 25 Jan 2016 333-208588
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 22 Jan 2016 333-208588
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Dec 2015 333-208588
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 24 Dec 2015 333-208588
F-X Open F-X document View SEC filing for F-X F-X 17 Dec 2015 333-208588
F-10 Open F-10 document View SEC filing for F-10 F-10 17 Dec 2015 333-208588
6-K Open 6-K document View SEC filing for 6-K 6-K 05 Nov 2015 05 Nov 2015 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 05 Nov 2015 333-192562
FWP Open FWP document View SEC filing for FWP FWP 04 Nov 2015 333-192562
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 04 Nov 2015 333-192562
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 3, 2015 03 Nov 2015 30 Sep 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 Jul 2015 30 Jun 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 21 May 2015 21 May 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 14 May 2015 14 May 2015 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 14 May 2015 333-203859-01
EFFECT Open EFFECT document View SEC filing for EFFECT 13 May 2015 333-203859-01
FWP Open FWP document View SEC filing for FWP FWP 13 May 2015 333-203859-01
F-10/A Open F-10/A document View SEC filing for F-10/A FORM F-10/A 13 May 2015 333-203859-01
F-X Open F-X document View SEC filing for F-X F-X 11 May 2015 333-203859-01
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED MAY 7, 2015 07 May 2015 07 May 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 07 May 2015 07 May 2015 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 06 May 2015 06 May 2015 001-08887
F-X Open F-X document View SEC filing for F-X F-X 05 May 2015 333-203859-01
F-X Open F-X document View SEC filing for F-X F-X 05 May 2015 333-203859-01
F-10 Open F-10 document View SEC filing for F-10 FORM F-10 05 May 2015 333-203859-01
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 May 2015 31 Mar 2015 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A FORM 40-F/A 23 Mar 2015 31 Dec 2014 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 19 Mar 2015 19 Mar 2015 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 19 Mar 2015 333-192562
FWP Open FWP document View SEC filing for FWP FWP 18 Mar 2015 333-192562
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 18 Mar 2015 333-192562
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED FEBRUARY 13, 2015 13 Feb 2015 13 Feb 2015 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 13 Feb 2015 31 Dec 2014 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Jan 2015 08 Jan 2015 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT US 08 Jan 2015 333-192562
FWP Open FWP document View SEC filing for FWP FWP 07 Jan 2015 333-192562
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT US 07 Jan 2015 333-192562
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Dec 2014 16 Dec 2014 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 4, 2014 04 Nov 2014 30 Sep 2014 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 31, 2014 31 Jul 2014 30 Jun 2014 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED MAY 2, 2014 02 May 2014 31 Mar 2014 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A FORM 40-F/A 05 Mar 2014 31 Dec 2013 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Feb 2014 25 Feb 2014 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 26 Feb 2014 333-192562
FWP Open FWP document View SEC filing for FWP FWP 25 Feb 2014 333-192562
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 25 Feb 2014 333-192562
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 21 Feb 2014 31 Dec 2013 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED FEBRUARY 21, 2014 21 Feb 2014 31 Dec 2013 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 10 Feb 2014 10 Feb 2014 001-08887
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Dec 2013 333-192562
F-10/A Open F-10/A document View SEC filing for F-10/A F-10/A 02 Dec 2013 333-192562
F-X Open F-X document View SEC filing for F-X F-X 26 Nov 2013 333-192562
F-10 Open F-10 document View SEC filing for F-10 F-10 26 Nov 2013 333-192562
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED NOVEMBER 6, 2013 06 Nov 2013 30 Sep 2013 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 03 Oct 2013 03 Oct 2013 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 03 Oct 2013 333-177789
FWP Open FWP document View SEC filing for FWP FWP 02 Oct 2013 333-177789
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 02 Oct 2013 333-177789
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 29, 2013 29 Jul 2013 30 Jun 2013 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 02 Jul 2013 01 Jul 2013 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 01 Jul 2013 333-177789
FWP Open FWP document View SEC filing for FWP FWP 28 Jun 2013 333-177789
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 28 Jun 2013 333-177789
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED APRIL 29, 2013 29 Apr 2013 31 Mar 2013 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A 40-F/A 27 Feb 2013 31 Dec 2012 001-08887
40-F Open 40-F document | Open XBRL data View SEC filing for 40-F 40-F 15 Feb 2013 31 Dec 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED FEBRUARY 15, 2013 15 Feb 2013 31 Dec 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 11 Jan 2013 10 Jan 2013 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 11 Jan 2013 333-177789
FWP Open FWP document View SEC filing for FWP FWP 10 Jan 2013 333-177789
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 10 Jan 2013 333-177789
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Nov 2012 06 Nov 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED OCTOBER 31, 2012 31 Oct 2012 30 Sep 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Jul 2012 31 Jul 2012 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 31 Jul 2012 333-177789
FWP Open FWP document View SEC filing for FWP FWP 30 Jul 2012 333-177789
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 30 Jul 2012 333-177789
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 27, 2012 27 Jul 2012 30 Jun 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED APRIL 30, 2012 30 Apr 2012 30 Apr 2012 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Mar 2012 01 Mar 2012 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 29 Feb 2012 333-177789
FWP Open FWP document View SEC filing for FWP FWP 28 Feb 2012 333-177789
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPL 28 Feb 2012 333-177789
40-F/A Open 40-F/A document View SEC filing for 40-F/A 40-F/A 27 Feb 2012 31 Dec 2011 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED FEBRUARY 17, 2012 17 Feb 2012 31 Dec 2011 001-08887
40-F Open 40-F document View SEC filing for 40-F 40-F 17 Feb 2012 31 Dec 2011 001-08887
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Nov 2011 333-177789
F-9/A Open F-9/A document View SEC filing for F-9/A F-9/A 15 Nov 2011 333-177789
F-X Open F-X document View SEC filing for F-X F-X 07 Nov 2011 333-177789
F-9 Open F-9 document View SEC filing for F-9 F-9 07 Nov 2011 333-177789
6-K Open 6-K document View SEC filing for 6-K FORM 6-K OF TRANSCANADA PIPELINES LIMITED 02 Nov 2011 02 Nov 2011 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED JULY 28, 2011 28 Jul 2011 28 Jul 2011 001-08887
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A DATED JUNE 14, 2011 14 Jun 2011 02 May 2011 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED MAY 2, 2011 02 May 2011 02 May 2011 001-08887
40-F/A Open 40-F/A document View SEC filing for 40-F/A FORM 40-F/A 04 Mar 2011 31 Dec 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K FORM 6-K OF TRANSCANADA PIPELINES LIMITED 22 Feb 2011 18 Feb 2011 001-08887
40-F Open 40-F document View SEC filing for 40-F 40-F 22 Feb 2011 31 Dec 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 16 Feb 2011 15 Feb 2011 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 04 Nov 2010 04 Nov 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 23 Sep 2010 23 Sep 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 21 Sep 2010 20 Sep 2010 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL PROSPECTUS SUPPLEMENT 21 Sep 2010 333-163641
FWP Open FWP document View SEC filing for FWP FWP 20 Sep 2010 333-163641
SUPPL Open SUPPL document View SEC filing for SUPPL PROSPECTUS SUPPLEMENT 20 Sep 2010 333-163641
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 30 Jul 2010 29 Jul 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 23 Jun 2010 23 Jun 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED JUNE 21, 2010 21 Jun 2010 21 Jun 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K DATED JUNE 1, 2010 01 Jun 2010 01 Jun 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K 6-K 27 May 2010 27 May 2010 001-08887
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLEMENT 27 May 2010 333-163641
FWP Open FWP document View SEC filing for FWP FWP 26 May 2010 333-163641
SUPPL Open SUPPL document View SEC filing for SUPPL SUPPLMENT 26 May 2010 333-163641
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 May 2010
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K MAY 3, 2010 03 May 2010 03 May 2010 001-08887
CORRESP Open CORRESP document View SEC filing for CORRESP 29 Apr 2010
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED APRIL 21, 2010 21 Apr 2010 21 Apr 2010 001-08887
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Apr 2010
6-K Open 6-K document View SEC filing for 6-K FORM 6-K DATED APRIL 15, 2010 15 Apr 2010 15 Apr 2010 001-08887
6-K Open 6-K document View SEC filing for 6-K TRANSCANADA PIPELINES LIMITED FORM 6-K 26 Feb 2010 26 Feb 2010 001-08887
40-F Open 40-F document View SEC filing for 40-F FORM 40-F 26 Feb 2010 31 Dec 2009 001-08887

About this filer

TRANSCANADA PIPELINES LTD files with the SEC under CIK 0000099070. This page aggregates EDGAR filings and related ownership activity.

Industry: Natural Gas Transmission.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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