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NGG — NATIONAL GRID PLC SEC Filings | FilingIndex

NGGNYSE

NATIONAL GRID PLC

Natural Gas Transmission · CIK 1004315

National Grid PLC owns and operates electricity and gas transmission and distribution networks in the UK and US

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$82.45B

Market cap

$82.85

Last close

+3.3%

1D

-0.7%

5D

1.1M

Volume

Price$82.85+19.0%· 1Y

Jul 2L $67.02 · H $93.93Jul 2

845

Total filings

Jun 16, 2026

Last filing

03/31

Fiscal year end

All 6-K · 760 11-K · 48 20-F · 24 SC 13G · 7 424B5 · 6

11-K11-KJun 16, 2026 11-K11-KJun 13, 2025 11-K11-KJun 25, 2024 11-K11-KJun 23, 2023 11-K11-KJun 24, 2022 11-K

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11-K

Jun 24, 2022

11-K11-KJun 28, 2021

11-K11-KJun 28, 2021

11-K11-KJun 25, 2021

11-K11-KJun 25, 2021

11-K11-KJun 24, 2020

11-K11-KJun 24, 2020

11-K11-KJun 24, 2019

11-K11-KJun 24, 2019

11-K11-KJun 19, 2018

11-K11-KJun 19, 2018

11-K11-KJun 29, 2017

11-K11-KJun 29, 2017

11-KFORM 11-KJun 28, 2016

11-K11-KJun 28, 2016

11-K11-KJun 29, 2015

11-KFORM 11-KJun 29, 2015

11-K11-KJun 30, 2014

11-KFORM 11-KJun 30, 2014

11-KFORM 11-KJul 1, 2013

11-KFORM 11-KJul 1, 2013

11-KFORM 11-KJun 27, 2012

11-KFORM 11-KJun 27, 2012

11-KFORM 11-KJun 29, 2011

11-KFORM 11-KJun 29, 2011

11-KFORM 11-KJun 29, 2010

11-KFORM 11-KJun 29, 2010

11-KFORM 11-KJun 29, 2009

11-KFORM 11-KJun 29, 2009

11-KFORM 11-KJun 30, 2008

11-KFORM 11-KJun 30, 2008

11-K11-KJun 27, 2007

11-K12/31/2006Jun 27, 2007

11-K11-KJun 29, 2006

11-K11-KJun 29, 2006

11-KITP II FOR P/E 12/31/04Jun 29, 2005

11-KITP I FOR P/E 12/31/04Jun 29, 2005

11-K11-KJun 28, 2004

11-K11-KJun 28, 2004

11-KAUTO-GENERATED PAPER DOCUMENTJul 2, 2003

11-KAUTO-GENERATED PAPER DOCUMENTJul 2, 2003

11-K11-KJun 30, 2003

11-K11-KJun 30, 2003

-1.2%

NENNEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP$198.7M0.0%