Nstar Electric Co SEC filings NSARP

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
10-K Annual report Feb 17, 2026 Dec 31, 2025
10-K Annual report Feb 14, 2025 Dec 31, 2024
10-K Annual report Feb 14, 2024 Dec 31, 2023
ARS Annual report to shareholders Mar 24, 2023 Dec 31, 2022
10-K Annual report Feb 15, 2023 Dec 31, 2022
10-K Annual report Feb 17, 2022 Dec 31, 2021
10-K Annual report Feb 17, 2021 Dec 31, 2020
10-K Annual report Feb 27, 2020 Dec 31, 2019
10-K Annual report Feb 26, 2019 Dec 31, 2018
10-K Annual report Feb 26, 2018 Dec 31, 2017
10-K Annual report Feb 23, 2017 Dec 31, 2016
10-K Annual report Feb 26, 2016 Dec 31, 2015
ARS Annual report to shareholders Mar 16, 2015 Dec 31, 2014
10-K Annual report Feb 25, 2015 Dec 31, 2014
ARS Annual report to shareholders Mar 24, 2014 Dec 31, 2013
10-K Annual report Feb 25, 2014 Dec 31, 2013
10-K Annual report Feb 28, 2013 Dec 31, 2012
10-K Annual report Feb 7, 2012 Dec 31, 2011
10-K Annual report Feb 14, 2011 Dec 31, 2010
10-K Annual report Feb 11, 2010 Dec 31, 2009
10-K Annual report Feb 9, 2009 Dec 31, 2008
10-K Annual report Feb 15, 2008 Dec 31, 2007
10-K Annual report Mar 15, 2007 Dec 31, 2006
10-K Annual report Mar 8, 2006 Dec 31, 2005
10-K Annual report Feb 23, 2005 Dec 31, 2004
10-K Annual report Mar 3, 2004 Dec 31, 2003
10-K Annual report Mar 27, 2003 Dec 31, 2002
10-K Annual report Apr 1, 2002 Dec 31, 2001
10-K Annual report Mar 30, 2001 Dec 30, 2000
10-K/A Amended annual report Sep 29, 2000 Dec 31, 1999
10-K Annual report Apr 14, 2000 Dec 31, 1999
10-K Annual report Mar 31, 1999 Dec 31, 1998
10-K Annual report Mar 30, 1998 Dec 31, 1997
10-K Annual report Mar 28, 1997 Dec 31, 1996
10-K Annual report Mar 29, 1996 Dec 31, 1995
10-K Annual report Mar 29, 1995 Dec 31, 1994
10-K/A Amended annual report Jun 30, 1994 Dec 31, 1993
10-K Annual report Mar 31, 1994 Dec 31, 1993

Showing 38 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.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

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.