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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 3, 2026 | Nov 3, 2026 |
| 424B2 | Prospectus | Oct 30, 2026 | — |
| FWP | Free writing prospectus | Oct 29, 2026 | — |
| 424B5 | Prospectus supplement | Oct 29, 2026 | — |
| 10-Q | Quarterly report | Oct 27, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 27, 2026 | Oct 27, 2026 |
| S-3ASR | Automatic shelf registration | Oct 19, 2026 | — |
| 4 | Insider transaction | Aug 3, 2026 | Jul 31, 2026 |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 3 | Initial insider ownership | Jun 9, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 144/A | Filing | May 26, 2026 | — |
| 8-K |
Current report
Other events
|
May 13, 2026 | May 13, 2026 |
| 424B5 | Prospectus supplement | May 13, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 13, 2026 | May 8, 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 | — |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2026 | Apr 28, 2026 |
| DEFA14A | Additional proxy material | Apr 1, 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 | — |
| ARS | Annual report to shareholders | Mar 26, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 26, 2026 | — |
| DEF 14A | Proxy statement | Mar 26, 2026 | May 8, 2026 |
| PRE 14A | Preliminary proxy statement | Mar 13, 2026 | May 8, 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 | — |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2026 | Feb 20, 2026 |
| 8-K |
Current report
Other events
|
Feb 11, 2026 | Feb 11, 2026 |
| 424B5 | Prospectus supplement | Feb 11, 2026 | — |
| S-3ASR | Automatic shelf registration | Feb 11, 2026 | — |
| 10-K | Annual report | Feb 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 5, 2026 | Feb 5, 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 |
| 8-K |
Current report
Material agreement, Agreement ended, Other events
|
Nov 21, 2025 | Nov 17, 2025 |
| 8-K |
Current report
New debt, Unregistered share sale
|
Nov 6, 2025 | Nov 6, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 8-K |
Current report
Other events
|
Nov 3, 2025 | Nov 3, 2025 |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2025 | Oct 30, 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 | — |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2025 | Jul 31, 2025 |
| 3 | Initial insider ownership | Jul 11, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Other events
|
Jun 18, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Other events
|
Jun 4, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
May 15, 2025 | May 15, 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 | — |
| 8-K |
Current report
Shareholder vote results
|
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 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 10-Q | Quarterly report | Apr 24, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 24, 2025 | Apr 24, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| DEFA14A | Additional proxy material | Apr 3, 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 |
| ARS | Annual report to shareholders | Mar 20, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 20, 2025 | — |
| DEF 14A | Proxy statement | Mar 20, 2025 | May 2, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 21, 2025 | Feb 21, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 424B2 | Prospectus | Feb 19, 2025 | — |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| FWP | Free writing prospectus | Feb 18, 2025 | — |
| 424B5 | Prospectus supplement | Feb 18, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 144/A | Filing | Feb 14, 2025 | — |
| 10-K | Annual report | Feb 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 6, 2025 | Feb 6, 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 |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 31, 2024 | Oct 31, 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 | — |
| 10-Q | Quarterly report | Jul 25, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 25, 2024 | Jul 25, 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 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 7, 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 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 2, 2024 |
| 144 | Notice of proposed sale | May 2, 2024 | — |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 25, 2024 | Apr 25, 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 |
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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.