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National Grid plc SEC filings

In the twelve months since 29 September 2025 National Grid plc filed 40 documents with the SEC of the kinds listed here: 37 reports on Form 6-K, most often 11 batch filing; 3 national GRID PLC scrip dividend; 2 holding(s) in company; 1 national GRID simplifies its operating model; 1 total voting rights; 1 employee plan annual report (11-K), 1 annual report (foreign filer) (20-F), 1 employee share plan registration (S-8). The latest, filed 28 August 2026: 6-K, batch filing.

FiledFormWhat it was aboutPeriod or event dateFiling
28 August 20266-KBatch filing28 August 2026EDGAR
3 August 20266-KNational GRID simplifies its operating model3 August 2026EDGAR
31 July 20266-KBatch filing31 July 2026EDGAR
23 July 20266-KTotal voting rights23 July 2026EDGAR
22 July 20266-KNational GRID PLC scrip dividend22 July 2026EDGAR
14 July 20266-KResult of AGM14 July 2026EDGAR
1 July 20266-KNGV to invest $1.75BN in joulent1 July 2026EDGAR
30 June 20266-KBatch filing30 June 2026EDGAR
16 June 202611-Kemployee plan annual report31 December 2025EDGAR
9 June 20266-Kno title given to EDGAR; the filing is linked9 June 2026EDGAR
4 June 20266-KScrip dividend for 2025/26 final dividend4 June 2026EDGAR
3 June 20266-KBoard change3 June 2026EDGAR
3 June 20266-KAnnual financial report and notice of AGM3 June 2026EDGAR
3 June 202620-Fannual report (foreign filer)31 March 2026EDGAR
29 May 20266-KBatch filing29 May 2026EDGAR
14 May 20266-KFY2026 full year results statement14 May 2026EDGAR
30 April 20266-KBatch filing30 April 2026EDGAR
13 April 20266-KPre-close update ahead of 25/26 full year results13 April 2026EDGAR
31 March 20266-KBatch filing31 March 2026EDGAR
2 March 20266-KUpgraded 5-year framework and RIIO-T3 acceptance2 March 2026EDGAR
27 February 20266-KBatch filing27 February 2026EDGAR
27 February 2026S-8employee share plan registrationEDGAR
30 January 20266-KBatch filing30 January 2026EDGAR
23 January 20266-KPublication of a supplementary prospectus23 January 2026EDGAR
14 January 20266-KVoting rights and capital update14 January 2026EDGAR
12 January 20266-KNational GRID PLC scrip dividend12 January 2026EDGAR
12 January 20266-KNational GRID PLC scrip dividend12 January 2026EDGAR
31 December 20256-KPrimary document31 December 2025EDGAR
11 December 20256-KOutcome of audit tender process11 December 2025EDGAR
4 December 20256-KOfgem's RIIO-T3 final determination published4 December 2025EDGAR
28 November 20256-KCompletion of sale of grain LNG28 November 2025EDGAR
28 November 20256-KBatch filing28 November 2025EDGAR
28 November 20256-KScrip dividend for 2025/26 interim dividend28 November 2025EDGAR
25 November 20256-KHolding(s) in company25 November 2025EDGAR
17 November 20256-KHolding(s) in company17 November 2025EDGAR
6 November 20256-KNational GRID PLC half-year results 2025/266 November 2025EDGAR
6 November 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
31 October 20256-KBatch filing31 October 2025EDGAR
2 October 20256-KPre-close update ahead of HY 2025/26 results2 October 2025EDGAR
30 September 20256-KBatch filing30 September 2025EDGAR

A foreign company listed in the US files a Form 6-K for what it publishes at home: results, share buybacks, directors' dealings, bond issues and notices. The 6-K carries no item numbers, so each is listed under the title the company gave EDGAR, where it gave one; the rest are linked to the filing itself. The annual report is the 20-F (or the 40-F for a Canadian filer). Form 144, 13F and Schedule 13D and 13G have their own pages; a foreign filer files no Form 4.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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