Unitil Corp SEC filings UTL
Unitil Corp has 1,000 filings in SEC EDGAR's recent list, going back to Feb 12, 2007. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (material agreement, agreement ended, acquisition or sale of assets). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets
|
Oct 26, 2026 | Oct 21, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 19, 2026 | Oct 14, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 29, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Jul 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement
|
May 27, 2026 | May 25, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 15, 2026 | May 15, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
May 5, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2026 | Apr 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2026 | Apr 29, 2026 |
| 8-K |
Current report
Material agreement
|
Feb 24, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Feb 2, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 29, 2026 | Jan 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 18, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 4, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Nov 3, 2025 | Oct 31, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 18, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 14, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 4, 2025 | Jun 3, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
May 12, 2025 | May 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 5, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 30, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Apr 4, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Feb 4, 2025 | Jan 29, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 5, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 27, 2024 | Aug 21, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 19, 2024 | Jul 18, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jul 12, 2024 | Jul 8, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 7, 2024 | May 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2024 | May 1, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 5, 2023 | Dec 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 23, 2023 | Aug 17, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 11, 2023 | Jul 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 6, 2023 | Jun 1, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 2, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 27, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 26, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 2, 2023 | Feb 1, 2023 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jan 30, 2023 | Jan 24, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 1, 2022 | Oct 26, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 5, 2022 | Sep 29, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 18, 2022 | May 12, 2022 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 3, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 27, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 18, 2022 | Mar 14, 2022 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 5, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 21, 2021 | Jun 21, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 4, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 28, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 5, 2021 | Apr 2, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 12, 2021 | Mar 11, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 2, 2020 | Nov 30, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 21, 2020 | Sep 15, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 4, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 24, 2020 | Jun 18, 2020 |
| 8-K |
Current report
Other events
|
Jun 18, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
May 5, 2020 | Apr 29, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 21, 2020 | Apr 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 7, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 25, 2020 | Mar 19, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 20, 2020 | Mar 16, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 4, 2020 | Mar 4, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 2, 2020 | Feb 28, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Feb 3, 2020 | Jan 29, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 20, 2019 | Dec 18, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 18, 2019 | Dec 17, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 17, 2019 | Sep 12, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 1, 2019 | Jun 28, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 12, 2019 | Jun 12, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2019 | May 20, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2019 | May 1, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Apr 26, 2019 | Apr 24, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 24, 2019 | Apr 24, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 5, 2019 | Mar 1, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Feb 4, 2019 | Jan 30, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 3, 2019 | Jan 2, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 4, 2018 | Nov 30, 2018 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 31, 2018 | Oct 24, 2018 |
| 8-K |
Current report
Other events
|
Sep 4, 2018 | Aug 30, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jul 31, 2018 | Jul 25, 2018 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 31, 2018 | Jul 25, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 18, 2018 | May 18, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 7, 2018 | May 2, 2018 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure, Other events
|
May 1, 2018 | Apr 25, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 25, 2018 | Apr 25, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 6, 2018 | Feb 28, 2018 |
| 8-K |
Current report
Agreement ended, Officer or director change, Regulation FD disclosure
|
Mar 2, 2018 | Mar 1, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 2, 2018 | Jan 30, 2018 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Dec 13, 2017 | Dec 11, 2017 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 3, 2017 | Nov 1, 2017 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Aug 25, 2017 | Apr 26, 2017 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 20, 2017 | Jul 14, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2017 | Jun 5, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
May 31, 2017 | May 31, 2017 |
| 8-K |
Current report
Officer or director change
|
May 4, 2017 | May 1, 2017 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 2, 2017 | Apr 26, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 24, 2017 | Apr 24, 2017 |
| 8-K |
Current report
Other events
|
Apr 24, 2017 | Apr 21, 2017 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 26, 2017 | Jan 25, 2017 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 2, 2016 | Aug 1, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2016 | May 13, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
May 5, 2016 | May 2, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
May 4, 2016 | Apr 29, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
May 2, 2016 | Apr 29, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
May 2, 2016 | Apr 29, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Apr 22, 2016 | Apr 20, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 20, 2016 | Apr 20, 2016 |
| 8-K |
Current report
Officer or director change
|
Oct 27, 2015 | Oct 21, 2015 |
| 8-K |
Current report
Material agreement
|
Jul 27, 2015 | Jul 24, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 16, 2015 | Jun 16, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2015 | May 14, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2015 | May 1, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Apr 24, 2015 | Apr 22, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 22, 2015 | Apr 22, 2015 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2015 | Jan 28, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 23, 2014 | Dec 23, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 31, 2014 | Oct 30, 2014 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 16, 2014 | Oct 15, 2014 |
| 8-K |
Current report
Other events
|
Aug 7, 2014 | Aug 6, 2014 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 14, 2014 | Jul 9, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2014 | May 30, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
May 16, 2014 | May 16, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2014 | May 1, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Apr 24, 2014 | Apr 22, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 22, 2014 | Apr 22, 2014 |
| 8-K/A |
Amended current report
Auditor change
|
Jan 30, 2014 | Jan 29, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 19, 2013 | Dec 17, 2013 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 13, 2013 | Dec 12, 2013 |
| 8-K |
Current report
Auditor change
|
Oct 18, 2013 | Sep 19, 2013 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 9, 2013 | Oct 4, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 16, 2013 | Jul 15, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 28, 2013 | Jun 26, 2013 |
| 8-K |
Current report
Officer or director change
|
Jun 10, 2013 | Jun 5, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
May 2, 2013 | Apr 25, 2013 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 23, 2013 | Apr 18, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2013 | Apr 18, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 15, 2013 | Apr 15, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 4, 2013 | Apr 1, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 29, 2013 | Mar 28, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2013 | Jan 7, 2013 |
| 8-K/A |
Amended current report
Officer or director change, Bylaw or fiscal year change
|
Jan 4, 2013 | Dec 13, 2012 |
| 8-K |
Current report
Officer or director change
|
Dec 17, 2012 | Dec 13, 2012 |
| 8-K |
Current report
Officer or director change
|
Sep 20, 2012 | Sep 19, 2012 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 14, 2012 | May 10, 2012 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 24, 2012 | Apr 19, 2012 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2012 | Apr 1, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 26, 2012 | Mar 22, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 30, 2011 | Nov 29, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2011 | Nov 2, 2011 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 13, 2011 | Oct 12, 2011 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 26, 2011 | Sep 21, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 5, 2011 | Aug 1, 2011 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jun 29, 2011 | Apr 21, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
May 6, 2011 | May 6, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 27, 2011 | Apr 26, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Apr 26, 2011 | Apr 21, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2011 | Apr 13, 2011 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 29, 2011 | Mar 24, 2011 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 16, 2010 | Dec 16, 2010 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 14, 2010 | Oct 8, 2010 |
| 8-K |
Current report
Auditor change
|
Sep 22, 2010 | Sep 22, 2010 |
| 8-K |
Current report
Other events
|
Jul 8, 2010 | Jun 29, 2010 |
| 8-K |
Current report
Shareholder vote results
|
Apr 20, 2010 | Apr 15, 2010 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 15, 2010 | Apr 15, 2010 |
| 8-K |
Current report
Other events
|
Mar 26, 2010 | Mar 25, 2010 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 8, 2010 | Mar 2, 2010 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2010 | Feb 5, 2010 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 6, 2010 | Dec 30, 2009 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 16, 2009 | Nov 2, 2009 |
| 8-K |
Current report
Material agreement
|
Oct 16, 2009 | Oct 13, 2009 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 29, 2009 | Sep 23, 2009 |
| 8-K |
Current report
Officer or director change
|
Sep 24, 2009 | Sep 23, 2009 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 24, 2009 | Jun 23, 2009 |
| 8-K |
Current report
Other events
|
Jun 23, 2009 | Jun 5, 2009 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 27, 2009 | May 20, 2009 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 27, 2009 | Mar 26, 2009 |
| 8-K |
Current report
Other events
|
Mar 26, 2009 | Mar 26, 2009 |
| 8-K |
Current report
Material agreement
|
Mar 19, 2009 | Mar 16, 2009 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2009 | Feb 6, 2009 |
| 8-K |
Current report
Material agreement, Other events
|
Jan 5, 2009 | Jan 2, 2009 |
| 8-K |
Current report
New debt, Other events
|
Dec 17, 2008 | Dec 15, 2008 |
| 8-K |
Current report
Other events
|
Dec 12, 2008 | Dec 10, 2008 |
| 8-K |
Current report
Other events
|
Dec 4, 2008 | Dec 3, 2008 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt
|
Dec 3, 2008 | Nov 26, 2008 |
| 8-K |
Current report
Other events
|
Nov 21, 2008 | Nov 18, 2008 |
| 8-K |
Current report
Other events
|
Oct 17, 2008 | Oct 6, 2008 |
| 8-K |
Current report
Other events
|
Sep 11, 2008 | Sep 10, 2008 |
| 8-K |
Current report
Other events
|
Aug 27, 2008 | Aug 27, 2008 |
| 8-K |
Current report
Other events
|
Aug 22, 2008 | Aug 21, 2008 |
| 8-K |
Current report
Listing notice
|
Jul 30, 2008 | Jul 29, 2008 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2008 | Jul 24, 2008 |
| 8-K |
Current report
Officer or director change
|
Jun 20, 2008 | Jun 19, 2008 |
| 8-K |
Current report
Other events
|
Apr 8, 2008 | Mar 31, 2008 |
| 8-K |
Current report
Other events
|
Mar 21, 2008 | Mar 20, 2008 |
| 8-K |
Current report
Material agreement
|
Feb 20, 2008 | Feb 15, 2008 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2008 | Jan 31, 2008 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2007 | Jun 21, 2007 |
| 8-K |
Current report
Other events
|
Apr 18, 2007 | Apr 16, 2007 |
Showing 198 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 & Other Services Combined (SIC 4931)
- Listed as
- UTL (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- NH
- Headquarters
- Hampton, NH
- SEC filer status
- Large accelerated filer
- SEC CIK
- 755001
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.