CMS · CIK 0000811156
CMS ENERGY CORP (CMS) SEC Filings
Browse 3407 SEC filings for CMS ENERGY CORP, covering Feb 11, 1994 through Jun 16, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
3,407
Filed in the last 12 months
87
History covered
1994–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
FORM 10-K (CMS ENERGY AND CONSUMERS) · Feb 10, 2026
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10-Q
FORM 10-Q (CMS ENERGY AND CONSUMERS) · Apr 28, 2026
Open original filingLatest company update
8-K
Management or director change; Regulation FD disclosure · Jun 3, 2026
Open original filingComplete filing history
Search by form or description, filter by purpose and year, and open the original SEC document.
50 filings
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Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jun 15, 2026 | Jun 16, 2026 |
| 3 | Initial insider ownership statement | Jun 3, 2026 | Jun 9, 2026 |
| 8-K | Management or director change; Regulation FD disclosure | Jun 1, 2026 | Jun 3, 2026 |
| 4 | Change in insider ownership | May 26, 2026 | May 27, 2026 |
| 144/A Amended | Notice of proposed securities sale | — | May 26, 2026 |
| 8-K | Other material event | May 13, 2026 | May 13, 2026 |
| 424B5 | 424B5 filing | — | May 13, 2026 |
| 8-K | Charter or bylaws amendment; Shareholder vote | May 8, 2026 | May 13, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | May 12, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| 4 | Change in insider ownership | May 8, 2026 | May 11, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | May 4, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| 10-Q | FORM 10-Q (CMS ENERGY AND CONSUMERS) | Mar 31, 2026 | Apr 28, 2026 |
| 8-K | Results of operations; Regulation FD disclosure | Apr 28, 2026 | Apr 28, 2026 |
| DEFA14A | Additional proxy materials | — | Apr 1, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
69 filings
2025
77 filings
2024
79 filings
2023
88 filings
2022
72 filings
2021
79 filings
2020
98 filings
2019
92 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.