Business Context and Reporting Period
This Form 6-K filing by National Grid plc, dated August 28, 2026, serves as a report of foreign private issuer updates. The document aggregates four distinct announcements made to the London Stock Exchange between August 3 and August 17, 2026. The filing covers corporate governance updates, capital structure notifications, and debt program disclosures.
Key Financial Metrics and Capital Structure
The filing provides specific data regarding the company's share capital and debt programs but does not contain operational financial performance metrics such as revenue, profit, or cash flow.
- Share Capital (as of July 31, 2026): Total registered ordinary shares: 5,249,831,589.
- Treasury Shares: 223,031,204 shares held in treasury.
- Voting Rights: 5,026,800,385 shares with voting rights (denominator for disclosure thresholds).
- Debt Program: A Euro 20,000,000,000 Euro Medium Term Note Programme is active for National Grid plc and National Grid Electricity Transmission plc.
- Executive Transaction: CFO Andy Agg purchased 12 ordinary shares at GBP 11.9781 per share on August 7, 2026, under the Share Incentive Plan.
Material Changes and Disclosures
The filing details several material administrative and regulatory updates:
- Capital Update: Notification of the exact number of voting shares as of July 31, 2026, to assist shareholders in calculating disclosure obligations under FCA rules.
- Debt Documentation: Publication of a Supplementary Prospectus (August 4, 2026) and a new Prospectus (August 17, 2026) for the Euro Medium Term Note Programme, approved by the Financial Conduct Authority (FCA).
- Insider Trading: Disclosure of a routine monthly purchase of securities by the Chief Financial Officer under the Market Abuse Regulation (MAR).
Guidance, Outlook, and Risks
The filing text does not provide management commentary, financial guidance, or an outlook for future periods. It does not explicitly list new risks or contingencies beyond standard regulatory disclaimers regarding the intended addressees of the prospectuses.
Note: The filing text does not provide a clear value for revenue, profit, margins, or liquidity positions.
Investor Verification Checklist
- Verify the full text of the Prospectus dated August 17, 2026, and the Supplementary Prospectus dated August 4, 2026, via the provided URLs to understand specific terms of the Euro Medium Term Note Programme.
- Confirm the denominator of 5,026,800,385 voting shares for any upcoming disclosure notifications under FCA rules.
- Review the Market Abuse Regulation (MAR) notification details for the CFO's transaction to ensure compliance with internal trading policies.
- Check the National Storage Mechanism (NSM) for the public availability of the submitted prospectus documents.