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 |
|---|---|---|---|
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 3 | Initial insider ownership | Nov 5, 2025 | Oct 29, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 3 | Initial insider ownership | May 1, 2025 | Apr 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 5, 2024 |
| 3 | Initial insider ownership | Nov 1, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2024 | — |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 2, 2023 |
| 3 | Initial insider ownership | May 5, 2023 | May 1, 2023 |
| 3 | Initial insider ownership | May 2, 2023 | Apr 26, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2023 | — |
| 4 | Insider transaction | Nov 7, 2022 | Nov 3, 2022 |
| 3 | Initial insider ownership | Nov 2, 2022 | Oct 26, 2022 |
| 4/A | Form 4/a submission | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 3 | Initial insider ownership | Feb 10, 2022 | Jan 27, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 25, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2022 | — |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 4, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 4, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 4, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Oct 4, 2021 | Oct 1, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | May 7, 2021 | — |
| 4 | Insider transaction | Mar 24, 2021 | Mar 23, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2021 | — |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Dec 30, 2020 |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| SC 13G | Ownership over 5% (passive) | Dec 14, 2020 | — |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Jul 28, 2020 | Jul 28, 2020 |
| 3 | Initial insider ownership | Jul 24, 2020 | Jul 23, 2020 |
| 3 | Initial insider ownership | Mar 26, 2020 | Mar 19, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2020 | — |
| 3 | Initial insider ownership | Feb 5, 2020 | Jan 29, 2020 |
| 4/A | Form 4/a submission | Feb 3, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Jan 30, 2020 | Jan 28, 2020 |
| 4 | Insider transaction | Oct 3, 2019 | Oct 2, 2019 |
| 4 | Insider transaction | Oct 3, 2019 | Oct 2, 2019 |
| 4 | Insider transaction | Oct 3, 2019 | Oct 2, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | May 31, 2019 | May 30, 2019 |
| 4 | Insider transaction | May 29, 2019 | May 28, 2019 |
| 4 | Insider transaction | May 23, 2019 | May 22, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 17, 2019 |
| 3 | Initial insider ownership | Feb 21, 2019 | Jan 30, 2019 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2019 | — |
| 3 | Initial insider ownership | Feb 4, 2019 | Jan 30, 2019 |
| 3 | Initial insider ownership | Feb 4, 2019 | Jan 30, 2019 |
| 3 | Initial insider ownership | Feb 4, 2019 | Jan 30, 2019 |
| 4 | Insider transaction | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Sep 6, 2018 | Sep 4, 2018 |
| 4 | Insider transaction | Jun 5, 2018 | Jun 1, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2018 | — |
| 4 | Insider transaction | Jan 30, 2018 | Jan 29, 2018 |
| 4 | Insider transaction | Jan 30, 2018 | Jan 29, 2018 |
| 4 | Insider transaction | Jan 30, 2018 | Jan 29, 2018 |
| 4 | Insider transaction | Jan 30, 2018 | Jan 29, 2018 |
Showing 200 filings, the most recent 200. 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.