National Grid NGG SEC Filings

NYSE NGG
$78.22 +1.10 (+1.43%)
As of: Oct 13, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing National Grid Plc (NGG) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
16-KCurrent Report0001654954-26-008780Oct 5, 2026 6:54 AM
26-KCurrent Report0001654954-26-008650Sep 30, 2026 7:39 AM
36-KCurrent Report0001654954-26-007929Aug 28, 2026 6:46 AM
46-KCurrent Report0001654954-26-007117Aug 3, 2026 6:56 AM
56-KCurrent Report0001654954-26-007047Jul 31, 2026 10:42 AM
66-KCurrent Report0001654954-26-006813Jul 23, 2026 11:41 AM
76-KCurrent Report0001654954-26-006786Jul 22, 2026 10:28 AM
86-KCurrent Report0001654954-26-006652Jul 14, 2026 6:34 PM
96-KCurrent Report0001654954-26-006411Jul 1, 2026 12:14 PM
106-KCurrent Report0001654954-26-006329Jun 30, 2026 11:56 AM
1111-KOthers0001193125-26-271890Jun 16, 2026 1:00 PM
12CERTOthers0000876661-26-000523Jun 12, 2026 11:08 AM
138-A12BOthers0001193125-26-268812Jun 12, 2026 11:00 AM
146-KCurrent Report0001193125-26-263940Jun 9, 2026 4:51 PM
15424B5Prospectus0001193125-26-259511Jun 5, 2026 8:04 PM
16FWPOthers0001193125-26-257688Jun 4, 2026 9:00 PM
176-KCurrent Report0001654954-26-005689Jun 4, 2026 2:06 PM
18424B5Prospectus0001193125-26-256582Jun 4, 2026 1:02 PM
196-KCurrent Report0001654954-26-005664Jun 3, 2026 3:48 PM
206-KCurrent Report0001654954-26-005660Jun 3, 2026 3:15 PM
2120-FQuarterly & Annual Report0001004315-26-000006Jun 3, 2026 10:27 AM
226-KCurrent Report0001654954-26-005509May 29, 2026 8:09 AM
236-KCurrent Report0001654954-26-004849May 14, 2026 9:34 AM-
246-KCurrent Report0001654954-26-004091Apr 30, 2026 6:17 AM
256-KCurrent Report0001654954-26-004091Apr 30, 2026 6:17 AM
266-KCurrent Report0001654954-26-004091Apr 30, 2026 6:17 AM
276-KCurrent Report0001654954-26-003430Apr 13, 2026 10:56 AM
286-KCurrent Report0001654954-26-002997Mar 31, 2026 10:32 AM
296-KCurrent Report0001654954-26-001708Mar 2, 2026 3:02 PM
30S-8Prospectus0001193125-26-083208Feb 27, 2026 10:19 PM
316-KCurrent Report0001654954-26-001618Feb 27, 2026 11:24 AM
326-KCurrent Report0001654954-26-000733Jan 30, 2026 12:09 PM
336-KCurrent Report0001654954-26-000549Jan 23, 2026 2:19 PM
346-KCurrent Report0001654954-26-000334Jan 14, 2026 11:17 AM
356-KCurrent Report0001654954-26-000245Jan 12, 2026 12:27 PM
366-KCurrent Report0001654954-26-000244Jan 12, 2026 12:25 PM
376-KCurrent Report0001654954-25-014422Dec 31, 2025 11:33 AM
386-KCurrent Report0001654954-25-013868Dec 11, 2025 10:23 PM
396-KCurrent Report0001654954-25-013665Dec 4, 2025 1:15 PM
406-KCurrent Report0001654954-25-013506Nov 28, 2025 5:30 PM
416-KCurrent Report0001654954-25-013492Nov 28, 2025 3:30 PM
426-KCurrent Report0001654954-25-013483Nov 28, 2025 1:20 PM
436-KCurrent Report0001654954-25-013438Nov 25, 2025 10:20 PM
446-KCurrent Report0001654954-25-013139Nov 17, 2025 6:36 PM
456-KCurrent Report0001654954-25-012622Nov 6, 2025 11:33 AM
466-KCurrent Report0001004315-25-000016Nov 6, 2025 11:04 AM
476-KCurrent Report0001654954-25-012387Oct 31, 2025 11:17 AM
486-KCurrent Report0001654954-25-011353Oct 2, 2025 10:21 AM
496-KCurrent Report0001654954-25-011202Sep 30, 2025 10:24 AM
506-KCurrent Report0001654954-25-011051Sep 24, 2025 3:54 PM
...

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