Eversource EnergySEC Filings
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All SEC filings by Eversource Energy (ES) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Aug 3, 2026 | |
| 10-Q | Quarterly report | View Diff | May 7, 2026 | |
| ARS | Annual report to shareholders | Mar 27, 2026 | ||
| 10-K | Annual report | View Diff | Feb 17, 2026 | |
| 10-Q | Quarterly report | View Diff | Nov 6, 2025 | |
| 10-Q | Quarterly report | View Diff | Aug 4, 2025 | |
| 10-Q | Quarterly report | View Diff | May 5, 2025 | |
| ARS | Annual report to shareholders | Mar 21, 2025 | ||
| 10-K | Annual report | View Diff | Feb 14, 2025 | |
| 10-Q | Quarterly report | View Diff | Nov 6, 2024 |
Events
| 8-K | Eversource Energy Reports Second Quarter 2026 Results | Jul 30, 2026 | ||
| 8-K | Current report | Jun 30, 2026 | ||
| 8-K | Eversource Energy Reports First Quarter 2026 Results | May 6, 2026 | ||
| 8-K | Regulation Fd Disclosure | Mar 31, 2026 | ||
| 8-K | Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant | Feb 26, 2026 | ||
| 8-K | Eversource Energy Reports Full-Year & Fourth Quarter 2025 Results | Feb 12, 2026 | ||
| 8-K | Amendments to the Registrant'S Code of Ethics, or Waiver of a Provision of the Code of Ethics | Jan 30, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Dec 5, 2025 | ||
| 8-K | Eversource Statement on Next Steps Following Aquarion Decision | Nov 24, 2025 | ||
| 8-K | Eversource Energy Reports Third Quarter 2025 Results | Nov 4, 2025 |
Registrations and Prospectuses
| 424B5 | Prospectus supplement for primary offering | Feb 24, 2026 | ||
| FWP | Free writing prospectus | Feb 23, 2026 | ||
| FWP | Free writing prospectus | Feb 23, 2026 | ||
| FWP | Free writing prospectus | Feb 23, 2026 | ||
| FWP | Free writing prospectus | Feb 23, 2026 | ||
| 424B3 | Prospectus supplement | Feb 23, 2026 | ||
| POSASR | Automatic shelf registration (post-effective amendment) | Feb 20, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Oct 16, 2025 | ||
| FWP | Free writing prospectus | Oct 15, 2025 | ||
| 424B3 | Prospectus supplement | Oct 15, 2025 |
Proxies
| DEFA14A | Additional proxy soliciting materials | Mar 27, 2026 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 27, 2026 | |
| DEFR14A | Revised proxy | Apr 3, 2025 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 21, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 21, 2025 | |
| PRE 14A | Preliminary proxy | View Diff | Mar 7, 2025 | |
| DEF 14A | Definitive proxy | View Diff | Mar 22, 2024 | |
| DEFA14A | Additional proxy soliciting materials | Mar 22, 2024 | ||
| DEFR14A | Revised proxy | Apr 3, 2023 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 24, 2023 |
Other
| EFFECT | Notice of effectiveness | May 18, 2022 | ||
| CORRESP | Correspondence with SEC | May 13, 2022 | ||
| UPLOAD | Letter from SEC | Apr 20, 2022 | ||
| EFFECT | Notice of effectiveness | Jun 28, 2021 | ||
| CORRESP | Correspondence with SEC | Jun 23, 2021 | ||
| UPLOAD | Letter from SEC | Jun 11, 2021 | ||
| CORRESP | Correspondence with SEC | Jul 18, 2018 | ||
| CORRESP | Correspondence with SEC | Jun 14, 2018 | ||
| CORRESP | Correspondence with SEC | May 29, 2018 | ||
| CORRESP | Correspondence with SEC | May 15, 2018 |
Ownership
| 4 | Conner Penelope M | Aug 26, 2026 | ||
| 144 | Notice of proposed sale of securities | Aug 25, 2026 | ||
| 144 | Notice of proposed sale of securities | Aug 24, 2026 | ||
| 11-K | Annual report of employee stock purchases | Jun 12, 2026 | ||
| 4 | Butler Gregory B | Jun 5, 2026 | ||
| 144 | Notice of proposed sale of securities | Jun 4, 2026 | ||
| 4 | Jay S. Buth | May 18, 2026 | ||
| 4 | W Robert Mudge | May 11, 2026 | ||
| SC 13G | Beneficial ownership report | Apr 29, 2026 | ||
| SC 13G | Beneficial ownership report | Apr 29, 2026 |