NATIONAL GRID PLC Form 11-K: Annual report of employee stock purchase, savings and similar plans
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2026-06-16: Form 11-K; Period of report 2025-12-31; Description 11-K; Document d131340d11k.htm.
- 2025-06-13: Form 11-K; Period of report 2024-12-31; Description 11-K; Document d936688d11k.htm.
- 2024-06-26: Form 11-K/A; Period of report 2023-12-31; Description 11-K/A; Document d785619d11ka.htm.
- 2024-06-25: Form 11-K; Period of report 2023-12-31; Description 11-K; Document d785619d11k.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2026-06-16 | 11-K | 2025-12-31 | 11-K | d131340d11k.htm |
| 2025-06-13 | 11-K | 2024-12-31 | 11-K | d936688d11k.htm |
| 2024-06-26 | 11-K/A | 2023-12-31 | 11-K/A | d785619d11ka.htm |
| 2024-06-25 | 11-K | 2023-12-31 | 11-K | d785619d11k.htm |
| 2023-06-23 | 11-K | 2022-12-31 | 11-K | d482589d11k.htm |
| 2022-06-24 | 11-K | 2021-12-31 | 11-K | d365911d11k.htm |
| 2022-06-24 | 11-K | 2021-12-31 | 11-K | d242638d11k.htm |
| 2021-06-28 | 11-K | 2020-12-31 | 11-K | d194048d11k.htm |
| 2021-06-28 | 11-K | 2020-12-31 | 11-K | d188574d11k.htm |
| 2021-06-25 | 11-K | 2020-12-31 | 11-K | d188574d11k.htm |
| 2021-06-25 | 11-K | 2020-12-31 | 11-K | d194048d11k.htm |
| 2020-06-24 | 11-K | 2019-12-31 | 11-K | d933883d11k.htm |
| 2020-06-24 | 11-K | 2019-12-31 | 11-K | d938500d11k.htm |
| 2019-06-24 | 11-K | 2018-12-31 | 11-K | d758755d11k.htm |
| 2019-06-24 | 11-K | 2018-12-31 | 11-K | d736734d11k.htm |
| 2018-06-19 | 11-K | 2017-12-31 | 11-K | d206866d11k.htm |
| 2018-06-19 | 11-K | 2017-12-31 | 11-K | d602285d11k.htm |
| 2017-06-29 | 11-K | 2016-12-31 | 11-K | d411520d11k.htm |
| 2017-06-29 | 11-K | 2016-12-31 | 11-K | d386093d11k.htm |
| 2016-06-28 | 11-K | 2015-12-31 | FORM 11-K | d218352d11k.htm |
| 2016-06-28 | 11-K | 2015-12-31 | 11-K | d218360d11k.htm |
| 2015-06-29 | 11-K | 2014-12-31 | 11-K | d948439d11k.htm |
| 2015-06-29 | 11-K | 2014-12-31 | FORM 11-K | d948437d11k.htm |
| 2014-06-30 | 11-K | 2013-12-31 | 11-K | d736678d11k.htm |
| 2014-06-30 | 11-K | 2013-12-31 | FORM 11-K | d736666d11k.htm |
| 2013-07-01 | 11-K | 2012-12-31 | FORM 11-K | d561345d11k.htm |
| 2013-07-01 | 11-K | 2012-12-31 | FORM 11-K | d561337d11k.htm |
| 2012-06-27 | 11-K | 2011-12-31 | FORM 11-K | d373225d11k.htm |
| 2012-06-27 | 11-K | 2011-12-31 | FORM 11-K | d373265d11k.htm |
| 2011-06-29 | 11-K | 2010-12-31 | FORM 11-K | y91884e11vk.htm |
| 2011-06-29 | 11-K | 2010-12-31 | FORM 11-K | y91883e11vk.htm |
| 2010-06-29 | 11-K | 2009-12-31 | FORM 11-K | y85287e11vk.htm |
| 2010-06-29 | 11-K | 2009-12-31 | FORM 11-K | y85289e11vk.htm |
| 2009-06-29 | 11-K | 2008-12-31 | FORM 11-K | y77995ae11vk.htm |
| 2009-06-29 | 11-K | 2008-12-31 | FORM 11-K | y77995e11vk.htm |
| 2008-06-30 | 11-K | 2007-12-31 | FORM 11-K | y61765e11vk.htm |
| 2008-06-30 | 11-K | 2007-12-31 | FORM 11-K | y61765ae11vk.htm |
| 2007-06-27 | 11-K | 2006-12-31 | Annual report of employee stock purchase, savings and similar plans | thrift-ii.htm |
| 2007-06-27 | 11-K | 2006-12-31 | 12/31/2006 | thrift-i.htm |
| 2006-06-29 | 11-K | 2005-12-31 | Annual report of employee stock purchase, savings and similar plans | thrift-ii.htm |
| 2006-06-29 | 11-K | 2005-12-31 | Annual report of employee stock purchase, savings and similar plans | thrift-i.htm |
| 2005-06-29 | 11-K | 2004-12-31 | ITP II FOR P/E 12/31/04 | itp2-05.htm |
| 2005-06-29 | 11-K | 2004-12-31 | ITP I FOR P/E 12/31/04 | itp1-05.htm |
| 2004-06-28 | 11-K | 2003-12-31 | Annual report of employee stock purchase, savings and similar plans | thr204.htm |
| 2004-06-28 | 11-K | 2003-12-31 | Annual report of employee stock purchase, savings and similar plans | thr104.htm |
| 2003-07-02 | 11-K | 2002-12-31 | AUTO-GENERATED PAPER DOCUMENT | 9999999997-03-028497.paper |
| 2003-07-02 | 11-K | 2002-12-31 | AUTO-GENERATED PAPER DOCUMENT | 9999999997-03-028491.paper |
| 2003-06-30 | 11-K | 2002-12-31 | Annual report of employee stock purchase, savings and similar plans | thrift2.htm |
| 2003-06-30 | 11-K | 2002-12-31 | Annual report of employee stock purchase, savings and similar plans | thrift1.htm |