NGG 6-K
National Grid PLC (NGG)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549
__________________________________________________________
FORM 6-K
__________________________________________________________
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934
Date: 31 July 2026
Commission File Number: 001-14958
__________________________________________________________
NATIONAL GRID plc
(Translation of registrant’s name into English)
England and Wales
(Jurisdiction of Incorporation)
__________________________________________________________
1-3 Strand, London, WC2N 5EH, United Kingdom
(Address of principal executive office)
__________________________________________________________
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
☒ Form 20-F ☐ Form 40-F
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐
Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3- 2(b) under the Securities Exchange Act of 1934. ☐ Yes ☒ No
If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a
EXHIBIT INDEX
| Exhibit No. | Description |
|---|---|
| 99.1 | Exhibit<br>99.1 Announcement sent to the London Stock Exchange on 01 July<br>2026 —<br>Total Voting Rights |
| 99.2 | Exhibit<br>99.2 Announcement sent to the London Stock Exchange on 03 July<br>2026 —<br>Director/PDMR Shareholding |
| 99.3 | Exhibit<br>99.3 Announcement sent to the London Stock Exchange on 08 July<br>2026 —<br>Director/PDMR Shareholding |
| 99.4 | Exhibit<br>99.4 Announcement sent to the London Stock Exchange on 27 July<br>2026 —<br>Director/PDMR Shareholding |
Exhibit 99.1
1 July 2026
National Grid plc ('National Grid' or 'Company')
Voting Rights update
National Grid's registered capital as of 30 June 2026 consisted of 5,198,968,690 ordinary shares, of which, 223,090,607 were held as treasury shares; leaving a balance of 4,975,878,083 with voting rights.
The figure of 4,975,878,083 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, National Grid under the FCA's Disclosure Guidance and Transparency Rules.
Julian Baddeley
Group Company Secretary
Exhibit 99.2
3 July 2026
National Grid plc ('National Grid' or 'Company')
Notification of Transactions of Persons Discharging Managerial
Responsibilities ('PDMRs')
This announcement is made in accordance with Article 19 of the Market Abuse Regulation ('MAR') and relates to the acquisition of shares by the following PDMR under the Company's Long Term Performance Plan ('LTPP').
The award relates to the 2023 LTPP and is referred to in the Company's 2025/26 Annual Report and Accounts. The award was conditional on continued employment with the Company and on the satisfaction of the performance conditions approved by the People & Remuneration Committee, which (after tax on the gross award) must be retained until the shareholding requirement is met, and in any event for Executive Directors two years after receipt. This award is subject to malus and clawback provisions.
In accordance with MAR, the relevant Financial Conduct Authority notification is set out below.
| 1 | Details of the person discharging managerial responsibilities /<br>person closely associated | ||
|---|---|---|---|
| a) | Name | Andy<br>Agg | |
| 2 | Reason for the notification | ||
| a) | Position/status | Chief<br>Financial Officer | |
| b) | Initial notification /Amendment | Initial<br>notification | |
| 3 | Details of the issuer, emission allowance market participant,<br>auction platform, auctioneer or auction monitor | ||
| a) | Name | National<br>Grid plc | |
| b) | LEI | 8R95QZMKZLJX5Q2XR704 | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | Ordinary shares of 12 204/473p each<br><br><br>GB00BDR05C01 | |
| b) | Nature of the transaction | Acquisition of shares in respect of the Long Term Performance Plan<br>('LTPP') 2023 award. | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| GBP<br>Nil | 220,905 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.01 | |
| f) | Place of the transaction | London<br>Stock Exchange (XLON) | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | Ordinary shares of 12 204/473p each<br><br><br>GB00BDR05C01 | |
| b) | Nature of the transaction | Sale of shares resulting from Long Term Performance Plan ('LTPP')<br>award exercise to cover tax liabilities. | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| GBP<br>£12.210223 | 104,191 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.01 | |
| f) | Place of the transaction | London<br>Stock Exchange (XLON) |
Exhibit 99.3
8 July 2026
National Grid plc ('National Grid' or 'Company')
Notification of Transaction of Person Discharging Managerial Responsibilities ('PDMRs')
This announcement is made in accordance with Article 19 of the Market Abuse Regulation ('MAR'). In accordance with MAR, the relevant Financial Conduct Authority notification is set out below.
| 1 | Details of the person discharging managerial responsibilities /<br>person closely associated | ||
|---|---|---|---|
| a) | Name | Andy<br>Agg | |
| 2 | Reason for the notification | ||
| a) | Position/status | Chief<br>Financial Officer | |
| b) | Initial notification /Amendment | Initial<br>notification | |
| 3 | Details of the issuer, emission allowance market participant,<br>auction platform, auctioneer or auction monitor | ||
| a) | Name | National<br>Grid plc | |
| b) | LEI | 8R95QZMKZLJX5Q2XR704 | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | Ordinary shares of 12 204/473p each<br><br><br>GB00BDR05C01 | |
| b) | Nature of the transaction | Monthly purchase of securities ("partnership shares") under the<br>Share Incentive Plan | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| GBP 12.3129 | 13 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.07 | |
| f) | Place of the transaction | London<br>Stock Exchange (XLON) |
Exhibit 99.4
27 July 2026
National Grid plc ('National Grid' or 'Company')
Notification of Transactions of Persons Discharging Managerial Responsibilities ('PDMRs')
This announcement is made in accordance with Article 19 of the Market Abuse Regulation ('MAR') and relates to the National Grid 2025/26 final dividend scrip alternative and dividend reinvestments.
In accordance with MAR the relevant Financial Conduct Authority notifications are set out below.
| 1 | Details of the person discharging managerial responsibilities /<br>person closely associated | ||
|---|---|---|---|
| a) | Name | Andy<br>Agg | |
| 2 | Reason for the notification | ||
| a) | Position/status | Chief<br>Financial Officer | |
| b) | Initial notification /Amendment | Initial<br>notification | |
| 3 | Details of the issuer, emission allowance market participant,<br>auction platform, auctioneer or auction monitor | ||
| a) | Name | National<br>Grid plc | |
| b) | LEI | 8R95QZMKZLJX5Q2XR704 | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | Ordinary shares of 12 204/473p each<br><br><br>GB00BDR05C01 | |
| b) | Nature of the transaction | Acquisition of securities ("dividend shares") under the National<br>Grid Share Incentive Plan. | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| GBP 12.3966 | 140 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.23 | |
| f) | Place of the transaction | London<br>Stock Exchange (XLON) | |
| 1 | Details of the person discharging managerial responsibilities /<br>person closely associated | ||
| --- | --- | --- | --- |
| a) | Name | Paula Rosput Reynolds | |
| 2 | Reason for the notification | ||
| a) | Position/status | Chair | |
| b) | Initial notification /Amendment | Initial notification | |
| 3 | Details of the issuer, emission allowance market participant,<br>auction platform, auctioneer or auction<br>monitor | ||
| a) | Name | National Grid plc | |
| b) | LEI | 8R95QZMKZLJX5Q2XR704 | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | American Depository Shares<br><br><br>US 6362744095 | |
| b) | Nature of the transaction | Acquisition of American Depositary Shares under the National Grid<br>Scrip Dividend Scheme. | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| USD<br>80.5453 | 82 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.23 | |
| f) | Place of the transaction | New York Stock Exchange (NYSE) | |
| 1 | Details of the person discharging managerial responsibilities /<br>person closely associated | ||
| --- | --- | --- | --- |
| a) | Name | Paula Rosput Reynolds | |
| 2 | Reason for the notification | ||
| a) | Position/status | Chair | |
| b) | Initial notification /Amendment | Initial notification | |
| 3 | Details of the issuer, emission allowance market participant,<br>auction platform, auctioneer or auction<br>monitor | ||
| a) | Name | National Grid plc | |
| b) | LEI | 8R95QZMKZLJX5Q2XR704 | |
| 4 | Details of the transaction(s): section to be repeated for (i) each<br>type of instrument; (ii) each type of transaction; (iii) each date;<br>and (iv) each place where transactions have been<br>conducted | ||
| a) | Description of the financial instrument, type of<br>instrument<br><br><br>Identification code | Ordinary shares of 12 204/473p each<br><br><br>GB00BDR05C01 | |
| b) | Nature of the transaction | Acquisition of Ordinary Shares under the National Grid Scrip<br>Dividend Scheme. | |
| c) | Price(s) and volume(s) | Price(s) | Volume(s) |
| GBP 11.977 | 82 | ||
| d) | Aggregated information<br><br><br>- Aggregated volume<br><br><br>- Price | ||
| e) | Date of the transaction | 2026.07.23 | |
| f) | Place of the transaction | London Stock Exchange (XLON) |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| NATIONAL GRID<br>plc | ||
|---|---|---|
| By: | Beth Melges | |
| Beth Melges<br><br><br>Head of Plc Governance |
Date: 31 July 2026