Nstar Electric Co SEC filings NSARO
Nstar Electric Co has 405 filings in SEC EDGAR's recent list, going back to Jan 27, 1994. Its latest annual report, Form 10-K, was filed on Feb 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2026 | Jul 30, 2026 |
| 8-K |
Current report
New debt
|
May 13, 2026 | May 13, 2026 |
| 8-K |
Current report
Results of operations, Shareholder vote results, Regulation FD disclosure
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 31, 2026 | Mar 19, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K | Current report | Jan 30, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2025 | Nov 4, 2025 |
| 8-K |
Current report
New debt
|
Oct 17, 2025 | Oct 17, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
May 1, 2025 | May 1, 2025 |
| 8-K |
Current report
New debt
|
Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 11, 2025 | Feb 11, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
New debt
|
May 22, 2024 | May 22, 2024 |
| 8-K |
Current report
Results of operations, Shareholder vote results, Regulation FD disclosure, Other events
|
May 1, 2024 | May 1, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 14, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
New debt
|
Sep 25, 2023 | Sep 25, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 3, 2023 | May 3, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
New debt
|
Sep 15, 2022 | Sep 15, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
New debt
|
May 17, 2022 | May 17, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 4, 2022 | May 4, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 16, 2022 | Feb 16, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2021 | Nov 2, 2021 |
| 8-K |
Current report
New debt
|
Aug 23, 2021 | Aug 23, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
New debt
|
Jun 2, 2021 | May 27, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 10, 2021 | May 5, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 16, 2021 | Feb 16, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 3, 2020 | Nov 3, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
New debt
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Other events
|
Mar 23, 2020 | Mar 23, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 19, 2020 | Feb 19, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2019 | Nov 8, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 5, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2019 | Jul 31, 2019 |
| 8-K |
Current report
New debt
|
May 23, 2019 | May 17, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 1, 2019 | May 1, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 20, 2019 | Feb 20, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 9, 2018 | Nov 9, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2018 | Jul 31, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
May 2, 2018 | May 1, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 22, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2017 | Nov 3, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2017 | Nov 1, 2017 |
| 8-K/A |
Amended current report
New debt
|
Oct 18, 2017 | Oct 5, 2017 |
| 8-K |
Current report
New debt
|
Oct 12, 2017 | Oct 5, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2017 | Jul 27, 2017 |
| 8-K |
Current report
New debt
|
May 18, 2017 | May 15, 2017 |
| 8-K |
Current report
Results of operations
|
May 3, 2017 | May 3, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 21, 2017 | Feb 21, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 4, 2016 | Nov 4, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2016 | Nov 1, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2016 | Jul 28, 2016 |
| 8-K |
Current report
Officer or director change
|
Jul 18, 2016 | Jul 12, 2016 |
| 8-K |
Current report
New debt
|
May 31, 2016 | May 26, 2016 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
May 5, 2016 | May 4, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2016 | May 4, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 4, 2016 | Feb 4, 2016 |
| 8-K |
Current report
New debt
|
Nov 20, 2015 | Nov 18, 2015 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2015 | Nov 2, 2015 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 30, 2015 | Oct 26, 2015 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2015 | Jul 30, 2015 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2015 | Apr 29, 2015 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 11, 2015 | Feb 11, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2014 | Nov 6, 2014 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 2, 2014 | Sep 29, 2014 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2014 | Jul 31, 2014 |
| 8-K |
Current report
Other events
|
Jun 25, 2014 | Jun 19, 2014 |
| 8-K |
Current report
Results of operations
|
May 1, 2014 | May 1, 2014 |
| 8-K |
Current report
New debt
|
Mar 13, 2014 | Mar 7, 2014 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 6, 2014 | Feb 6, 2014 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2013 | Oct 31, 2013 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Sep 12, 2013 | Sep 6, 2013 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2013 | Jul 29, 2013 |
| 8-K |
Current report
New debt
|
May 22, 2013 | May 17, 2013 |
| 8-K |
Current report
Results of operations
|
May 1, 2013 | May 1, 2013 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2013 | Feb 19, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 13, 2012 | Dec 12, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 9, 2012 | Nov 9, 2012 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2012 | Nov 1, 2012 |
| 8-K |
Current report
New debt
|
Oct 18, 2012 | Oct 15, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 5, 2012 | Oct 5, 2012 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Jul 30, 2012 | Jul 25, 2012 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2012 | Jul 30, 2012 |
| 8-K |
Current report
Auditor change
|
Apr 12, 2012 | Apr 9, 2012 |
| 8-K |
Current report
Other events
|
Apr 5, 2012 | Apr 4, 2012 |
| 8-K |
Current report
Other events
|
Oct 6, 2010 | Oct 6, 2010 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 15, 2010 | Mar 11, 2010 |
| 8-K |
Current report
Other events
|
May 26, 2009 | May 21, 2009 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 17, 2009 | Feb 13, 2009 |
| 8-K |
Current report
Other events
|
Dec 15, 2008 | Dec 15, 2008 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 20, 2007 | Nov 14, 2007 |
| 8-K | Current report | May 11, 2007 | Dec 31, 2006 |
| 8-K/A |
Amended current report
Acquisition or sale of assets, Other events
|
Mar 7, 2007 | Mar 7, 2007 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Jan 5, 2007 | Jan 5, 2007 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 17, 2006 | Mar 16, 2006 |
| 8-K |
Current report
Other events
|
Mar 10, 2006 | Mar 7, 2006 |
| 8-K |
Current report
Other events
|
Nov 28, 2005 | Nov 28, 2005 |
| 8-K |
Current report
Material agreement
|
Mar 7, 2005 | Mar 7, 2005 |
| 8-K | Current report | Apr 15, 2004 | Apr 13, 2004 |
| 8-K | Current report | Dec 4, 2003 | Dec 4, 2003 |
| 8-K | Current report | Nov 4, 2003 | Nov 4, 2003 |
| 8-K | Current report | Apr 18, 2003 | Apr 17, 2003 |
| 8-K | Current report | Jan 3, 2003 | Jan 3, 2003 |
| 8-K | Current report | Dec 17, 2002 | Dec 17, 2002 |
| 8-K | Current report | Nov 27, 2002 | Nov 27, 2002 |
| 8-K | Current report | Oct 15, 2002 | Oct 9, 2002 |
| 8-K | Current report | Aug 13, 1999 | Jul 29, 1999 |
| 8-K | Current report | Nov 23, 1998 | Nov 19, 1998 |
| 8-K | Current report | Apr 24, 1998 | Apr 24, 1998 |
| 8-K | Current report | Feb 10, 1998 | Feb 10, 1998 |
| 8-K | Current report | Dec 11, 1997 | Dec 11, 1997 |
| 8-K | Current report | Dec 24, 1996 | Dec 20, 1996 |
| 8-K | Current report | Oct 4, 1996 | Sep 30, 1996 |
| 8-K | Current report | Apr 29, 1994 | Apr 28, 1994 |
| 8-K | Current report | Jan 28, 1994 | Jan 27, 1994 |
Showing 128 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric Services (SIC 4911)
- Listed as
- NSARO (OTC), NSARP (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- MA
- Headquarters
- Boston, MA
- SEC CIK
- 13372
- Former names
- BOSTON EDISON CO (until Jan 5, 2007)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.