CMS
CMS Energy Corporation has filed 3,402 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (1,109 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Prospectus supplement | 424B5 | 2021-06-24 | - |
| Major company event | 8-K | 2021-06-23 | 2021-06-21 |
| Major company event | 8-K | 2021-06-08 | 2021-06-07 |
| Major company event | 8-K | 2021-05-17 | 2021-05-11 |
| Major company event | 8-K | 2021-05-11 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Insider trade | 4 | 2021-05-10 | 2021-05-07 |
| Proxy materials | DEFA14A | 2021-05-03 | - |
| Major company event | 8-K | 2021-04-29 | 2021-04-29 |
| Quarterly report | 10-Q | 2021-04-29 | 2021-03-31 |
| Proxy materials | DEFA14A | 2021-04-01 | - |
| Proxy materials | DEFA14A | 2021-03-25 | - |
| Proxy statement | DEF 14A | 2021-03-25 | 2021-05-07 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-23 | 2021-03-19 |
| Insider trade | 4 | 2021-03-11 | 2021-03-10 |
| Passive ownership stake (update) | SC 13G/A | 2021-02-16 | - |
| Annual report | 10-K | 2021-02-11 | 2020-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2021-02-10 | - |
| Passive ownership stake | SC 13G | 2021-02-08 | - |
| Major company event | 8-K | 2021-02-04 | 2021-02-04 |
| Passive ownership stake (update) | SC 13G/A | 2021-01-29 | - |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-22 | 2021-01-20 |
| Insider trade | 4 | 2021-01-20 | 2021-01-17 |
| Insider trade | 4 | 2021-01-20 | 2021-01-17 |