National Grid PLC (NMPWP) — SEC Filings

Q: What are the key financial highlights for National Grid PLC?

Key financial highlights for National Grid PLC are extracted from the most recent 10-K or 10-Q filings, including revenue, net income, EPS, debt-to-equity, cash position, and operating margin.

Q: What is the investment thesis for NMPWP?

The investment thesis for NMPWP includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings filed by National Grid PLC.

Q: Who are the key executives at National Grid PLC?

Key executives at National Grid PLC are identified from SEC filings including 10-K annual reports, proxy statements, and insider trade forms.

Q: What are the main risk factors for National Grid PLC stock?

Risk factors for National Grid PLC (NMPWP) are assessed from SEC filings using AI analysis. Each filing is categorized as high, medium, or low risk based on disclosed risk factors and financial indicators.

Q: What are recent predictions and forward guidance from National Grid PLC?

Forward-looking statements and predictions from National Grid PLC are extracted from SEC filings including earnings reports, annual reports, and current event filings.

Latest SEC filings for National Grid PLC. Recent 6-K filing on Dec 31, 2025. AI-decoded analysis of earnings, risk factors, and insider trades.

View National Grid PLC on SEC EDGAR

Overview

National Grid PLC (NMPWP) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 6-K filed on Dec 4, 2025: National Grid plc announced on December 4, 2025, that the UK's energy regulator, Ofgem, has published its RIIO-T3 final determination. This determination sets the allowed revenue for National Grid Electricity Transmission (NGET) for the period from April 1, 2026, to March 31, 2031. The final determi

Sentiment Summary

Across 50 filings, the sentiment breakdown is: 50 neutral. The dominant filing sentiment for National Grid PLC is neutral.

Filing Type Overview

National Grid PLC (NMPWP) has filed 49 6-K, 1 20-F with the SEC between Oct 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (50)

6-K Filing — 6-K · Dec 31, 2025
6-K Filing — 6-K · Dec 11, 2025
Ofgem Publishes RIIO-T3 Final Determination for National Grid — 6-K · Dec 4, 2025 Risk: medium
National Grid plc announced on December 4, 2025, that the UK's energy regulator, Ofgem, has published its RIIO-T3 final determination. This determination sets t
National Grid Announces 2025/26 Interim Dividend — 6-K · Nov 28, 2025 Risk: low
National Grid plc announced on November 27, 2025, its interim dividend for the 2025/26 financial year. Shareholders will receive a dividend, with options for sc
National Grid plc Files 6-K Report — 6-K · Nov 25, 2025 Risk: low
National Grid plc filed a Form 6-K on November 25, 2025, reporting its holding(s) in the company. The filing is a report of a foreign private issuer pursuant to
National Grid plc Files Form 6-K — 6-K · Nov 17, 2025 Risk: low
National Grid plc filed a Form 6-K on November 17, 2025. This report is for a foreign private issuer and does not contain specific financial details or operatio
6-K Filing — 6-K · Nov 6, 2025
National Grid plc Files Half-Year Results 6-K — 6-K · Nov 6, 2025 Risk: low
National Grid plc filed a 6-K report on November 6, 2025, detailing its half-year results for the 2025/26 period. The filing provides information on the company
National Grid plc Files 6-K Disclosure — 6-K · Oct 31, 2025 Risk: low
National Grid plc filed a Form 6-K on October 31, 2025, reporting its status as a foreign private issuer. The filing confirms its principal executive office is
National Grid plc Pre-Close Update Ahead of HY 2025/26 Results — 6-K · Oct 2, 2025 Risk: low
National Grid plc issued a pre-close update on October 2, 2025, ahead of its interim results for the 2025/26 financial year. The company provided an update on i
National Grid plc Files 6-K Report — 6-K · Sep 30, 2025 Risk: low
National Grid plc filed a Form 6-K on September 30, 2025, reporting its status as a foreign private issuer. The filing confirms the company's jurisdiction of in
National Grid plc Files 6-K Report — 6-K · Sep 24, 2025 Risk: low
National Grid plc filed a Form 6-K on September 24, 2025, reporting as a foreign private issuer. The filing indicates the company will file its annual reports u
National Grid plc Files 6-K Report — 6-K · Aug 29, 2025 Risk: low
National Grid plc filed a Form 6-K on August 29, 2025, reporting as a foreign private issuer. The filing indicates the company is incorporated in England and Wa
National Grid Responds to Ofgem's Draft Determination — 6-K · Aug 27, 2025 Risk: medium
National Grid plc filed a Form 6-K on August 27, 2025, to report its response to the UK's energy regulator, Ofgem's, draft determination for the RIIO-ET3 price
National Grid plc Files 6-K on Grain LNG Sale — 6-K · Aug 14, 2025 Risk: medium
On August 14, 2025, National Grid plc filed a Form 6-K, reporting a sale of Grain LNG. The filing does not specify the buyer or the financial terms of the trans
National Grid plc Files 6-K Report — 6-K · Jul 31, 2025 Risk: low
National Grid plc filed a Form 6-K on July 31, 2025, reporting as a foreign private issuer. The filing provides information about the company's status and juris
National Grid plc Files 6-K on Voting Rights and Capital — 6-K · Jul 17, 2025 Risk: low
On July 17, 2025, National Grid plc filed a Form 6-K to provide an update on its voting rights and capital. The filing confirms the company's jurisdiction of in
National Grid Offers Scrip Dividend Option — 6-K · Jul 16, 2025 Risk: low
National Grid plc announced on July 16, 2025, that its scrip dividend scheme will be available for the interim dividend for the year ending March 31, 2025. Shar
National Grid plc Files 6-K on AGM Results — 6-K · Jul 9, 2025 Risk: low
National Grid plc filed a Form 6-K on July 9, 2025, reporting the results of its Annual General Meeting (AGM). The filing is a routine report for foreign privat
National Grid plc Files 6-K on OFGEM Draft Determination — 6-K · Jul 1, 2025 Risk: low
National Grid plc filed a Form 6-K on July 1, 2025, to report on OFGEM's draft determination for RIIO-ET3. This filing is a routine report for foreign private i
National Grid plc Files 6-K Report — 6-K · Jun 30, 2025 Risk: low
National Grid plc filed a Form 6-K on June 30, 2025, reporting as a foreign private issuer. The filing indicates the company's principal executive office is loc
National Grid Announces 2024/25 Final Dividend — 6-K · Jun 5, 2025 Risk: low
National Grid plc announced its final dividend for the 2024/25 financial year on June 5, 2025. Shareholders can choose to receive this dividend in cash or as ne
National Grid plc Files 6-K, Confirms 20-F Filing — 6-K · Jun 4, 2025 Risk: low
National Grid plc filed a Form 6-K on June 4, 2025, reporting its status as a foreign private issuer. The filing confirms that the company, incorporated in Engl
National Grid plc Files 6-K, Confirms 20-F Reporting — 6-K · Jun 2, 2025 Risk: low
National Grid plc filed a Form 6-K on June 2, 2025, reporting its status as a foreign private issuer. The filing confirms that the company, incorporated in Engl
National Grid Completes Sale of Renewables Business — 6-K · May 30, 2025 Risk: low
National Grid plc announced the completion of the sale of National Grid Renewables on May 30, 2025. This transaction marks a significant divestment for the comp
20-F Filing — 20-F · May 29, 2025
National Grid plc Files 6-K Report — 6-K · May 29, 2025 Risk: low
National Grid plc filed a Form 6-K on May 29, 2025, reporting information as of May 28, 2025. The filing indicates that the company is a foreign private issuer
National Grid plc Files Routine 6-K with SEC — 6-K · May 28, 2025 Risk: low
National Grid plc filed a Form 6-K on May 28, 2025, reporting its status as a foreign private issuer. The filing confirms that the company, incorporated in Engl
National Grid plc Files 6-K Report — 6-K · May 22, 2025 Risk: low
National Grid plc, incorporated in England and Wales, filed a Form 6-K on May 22, 2025. The filing is a report of a foreign private issuer and does not contain
National Grid plc Files FY2025 Results Statement — 6-K · May 15, 2025 Risk: low
National Grid plc filed its FY2025 Full Year Results Statement on May 15, 2025. The filing is a Form 6-K, indicating it's a report from a foreign private issuer
National Grid Announces CEO Succession Plan — 6-K · May 1, 2025 Risk: low
National Grid plc announced its CEO succession plan on May 1, 2025. John Pettigrew will step down as CEO, and the company has appointed a successor, though the
National Grid plc Files 6-K Report — 6-K · Apr 30, 2025 Risk: low
National Grid plc filed a Form 6-K on April 30, 2025, reporting its status as a foreign private issuer. The filing includes information about its principal exec
National Grid Proposes 3-Year Rate Plan for NIMO — 6-K · Apr 28, 2025 Risk: medium
National Grid plc filed a 6-K report on April 28, 2025, announcing a 3-year rate plan proposal for its subsidiary, Niagara Mohawk Power Corporation (NIMO). This
National Grid plc Files Pre-Close Update for FY24/25 Results — 6-K · Apr 10, 2025 Risk: low
National Grid plc filed a Form 6-K on April 10, 2025, providing a pre-close update ahead of its full-year 2024/2025 results. The filing indicates the company is
National Grid plc Files 6-K Report — 6-K · Mar 31, 2025 Risk: low
National Grid plc filed a Form 6-K on March 31, 2025, reporting information as a foreign private issuer. The filing indicates the company's principal executive
National Grid plc Files 6-K Report — 6-K · Mar 26, 2025 Risk: low
National Grid plc filed a Form 6-K on March 25, 2025, reporting its status as a foreign private issuer. The filing confirms the company's jurisdiction of incorp
National Grid plc Files 6-K Report — 6-K · Feb 28, 2025 Risk: low
National Grid plc filed a Form 6-K on February 28, 2025, reporting its status as a foreign private issuer. The filing confirms its jurisdiction of incorporation
National Grid Sells Renewables Business — 6-K · Feb 24, 2025 Risk: low
National Grid plc announced the sale of National Grid Renewables on February 24, 2025. The filing does not specify the buyer or the financial terms of the trans
National Grid plc Files 6-K, Confirms 20-F Filing — 6-K · Jan 31, 2025 Risk: low
National Grid plc, a foreign private issuer, filed a Form 6-K on January 31, 2025. This report is filed under the Securities Exchange Act of 1934 and indicates
National Grid plc Files 6-K on Voting Rights and Capital — 6-K · Jan 14, 2025 Risk: low
On January 14, 2025, National Grid plc filed a Form 6-K to report an update on its voting rights and capital. The filing confirms the company's jurisdiction of
National Grid plc Announces Scrip Dividend Offering — 6-K · Jan 13, 2025 Risk: low
National Grid plc announced on January 13, 2025, its intention to offer a scrip dividend, allowing shareholders to receive new ordinary shares instead of cash.
National Grid plc Files 6-K Report — 6-K · Dec 31, 2024 Risk: low
National Grid plc filed a Form 6-K on December 31, 2024, reporting its status as a foreign private issuer. The filing confirms its principal executive office is
National Grid Publishes RIIO-T3 Business Plan — 6-K · Dec 18, 2024 Risk: low
National Grid plc announced the publication of its RIIO-T3 business plan on December 18, 2024. This plan outlines the company's strategy and investment proposal
National Grid plc Files Routine 6-K Report — 6-K · Nov 29, 2024 Risk: low
National Grid plc, a UK-based energy company, filed a Form 6-K on November 29, 2024. This report is a routine filing for foreign private issuers and does not co
National Grid plc Files Form 6-K — 6-K · Nov 26, 2024 Risk: low
National Grid plc filed a Form 6-K on November 26, 2024, reporting its holding(s) in the company. The filing is a routine report for a foreign private issuer an
National Grid plc Files 6-K Report — 6-K · Nov 25, 2024 Risk: low
National Grid plc filed a Form 6-K on November 25, 2024, reporting its status as a foreign private issuer. The company, incorporated in England and Wales, maint
National Grid plc Files 6-K Report — 6-K · Nov 18, 2024 Risk: low
National Grid plc, a UK-based natural gas transmission company, filed a Form 6-K on November 18, 2024. This report is a routine filing for a foreign private iss
National Grid plc Files 6-K for Q3 2024 — 6-K · Nov 7, 2024 Risk: low
National Grid plc filed a Form 6-K on November 7, 2024, reporting for the period ending September 30, 2024. The filing indicates that the company is a foreign i
National Grid plc Half-Year Results 2024/25 — 6-K · Nov 7, 2024 Risk: low
National Grid plc announced its half-year results for 2024/25 on November 7, 2024. The company, incorporated in England and Wales, is headquartered in London an
National Grid plc Files 6-K, Confirms 20-F Reporting — 6-K · Oct 31, 2024 Risk: low
National Grid plc filed a Form 6-K on October 31, 2024, reporting its status as a foreign private issuer. The company, incorporated in England and Wales, mainta

Risk Profile

Risk Assessment: Of NMPWP's 46 recent filings, 0 were flagged as high-risk, 4 as medium-risk, and 42 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Key Executives

John Pettigrew

Top Tags

foreign-private-issuer (19) · regulatory-filing (15) · sec-filing (13) · dividend (4) · scrip-dividend (4) · 6-K (4) · filing (4) · reporting (3) · results (3) · disclosure (3)

Key Numbers

SEC File Number: 001-14958 — Identifies the company's filing with the SEC.
Reporting Period End Date: 20240930 — Indicates the end of the period covered by this report.

Related Companies

NG.L · NGG

Frequently Asked Questions

What are the latest SEC filings for National Grid PLC (NMPWP)?

National Grid PLC has 50 recent SEC filings from Oct 2024 to Dec 2025, including 49 6-K, 1 20-F. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of NMPWP filings?

Across 50 filings, the sentiment breakdown is: 50 neutral. The dominant sentiment is neutral.

Where can I find National Grid PLC SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all National Grid PLC (NMPWP) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for National Grid PLC?

Financial highlights for National Grid PLC are available when 10-K or 10-Q filings are enriched with AI analysis. Check back as new filings are processed.

What is the investment thesis for NMPWP?

Investment thesis data for NMPWP will be available once enriched filings are processed.

Who are the key executives at National Grid PLC?

Key executives identified across National Grid PLC's filings include John Pettigrew.

What are the main risk factors for National Grid PLC stock?

Of NMPWP's 46 assessed filings, 0 were flagged high-risk, 4 medium-risk, and 42 low-risk.

What are recent predictions and forward guidance from National Grid PLC?

Forward guidance and predictions for National Grid PLC are extracted from SEC filings as they are enriched.