National Grid plc

NGG

Market cap$81.76 B

Rank#196

SEC filings1,000

National Grid plc has filed 1,000 documents with the SEC between 2002 and 2026. The most frequent type is 6-k (758 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Filing	Type	Filed	Period covered
Company correspondence	CORRESP	2017-10-13	-
Company correspondence	CORRESP	2017-09-28	-
Company correspondence	CORRESP	2017-08-30	-
Company correspondence	CORRESP	2016-10-17	-
Company correspondence	CORRESP	2015-09-14	-
Company correspondence	CORRESP	2014-10-10	-
Company correspondence	CORRESP	2012-10-24	-
Company correspondence	CORRESP	2010-10-15	-
Company correspondence	CORRESP	2010-10-01	-
Company correspondence	CORRESP	2010-09-09	-
Company correspondence	CORRESP	2007-02-02	-
Company correspondence	CORRESP	2006-12-08	-
Company correspondence	CORRESP	2005-10-21	-