CMS Energy Corp SEC filings CMS
CMS Energy Corp has 1,002 filings in SEC EDGAR's recent list, going back to Mar 6, 2015. Its latest annual report, Form ARS, was filed on Mar 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 3, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 3 | Initial insider ownership | Jun 9, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 144/A | Filing | May 26, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 144 | Notice of proposed sale | Feb 27, 2026 | — |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 3 | Initial insider ownership | Feb 23, 2026 | Feb 20, 2026 |
| 3 | Initial insider ownership | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 3, 2025 |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 24, 2025 | — |
| 3 | Initial insider ownership | Oct 3, 2025 | Sep 29, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 5, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 12, 2025 | Aug 8, 2025 |
| 144/A | Filing | Aug 8, 2025 | — |
| 3 | Initial insider ownership | Jul 11, 2025 | Jul 1, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 8, 2025 | May 6, 2025 |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 144/A | Filing | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 13, 2024 |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 4 | Insider transaction | Nov 25, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 18, 2024 |
| 144 | Notice of proposed sale | Nov 18, 2024 | — |
| 144 | Notice of proposed sale | Nov 18, 2024 | — |
| 4 | Insider transaction | Nov 5, 2024 | Nov 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 17, 2024 | — |
| 4 | Insider transaction | Sep 6, 2024 | Sep 4, 2024 |
| 144 | Notice of proposed sale | Sep 4, 2024 | — |
| 4 | Insider transaction | Aug 26, 2024 | Aug 26, 2024 |
| 4 | Insider transaction | Aug 1, 2024 | Aug 1, 2024 |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 144 | Notice of proposed sale | Jun 13, 2024 | — |
| 4 | Insider transaction | Jun 10, 2024 | Jun 7, 2024 |
| 144 | Notice of proposed sale | Jun 5, 2024 | — |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 2, 2024 |
| 144 | Notice of proposed sale | May 2, 2024 | — |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 23, 2024 |
| 144 | Notice of proposed sale | Feb 23, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 16, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2024 | — |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 144 | Notice of proposed sale | Dec 7, 2023 | — |
| 4 | Insider transaction | Dec 4, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 144 | Notice of proposed sale | Nov 8, 2023 | — |
| 4 | Insider transaction | Nov 3, 2023 | Nov 2, 2023 |
| 144 | Notice of proposed sale | Nov 2, 2023 | — |
| 4 | Insider transaction | Sep 14, 2023 | Sep 13, 2023 |
| 144 | Notice of proposed sale | Sep 13, 2023 | — |
| 4 | Insider transaction | Aug 16, 2023 | Aug 15, 2023 |
| 144 | Notice of proposed sale | Aug 14, 2023 | — |
| 4 | Insider transaction | Jun 13, 2023 | Jun 12, 2023 |
| 144/A | Filing | Jun 12, 2023 | — |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 3 | Initial insider ownership | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 23, 2023 |
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
- CMS (NYSE), CMSA (NYSE), CMSC (NYSE), CMSD (NYSE), CMS-PC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MI
- Headquarters
- Jackson, MI
- SEC filer status
- Large accelerated filer
- SEC CIK
- 811156
Other Electric & Other Services Combined companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.