Form	Accession ID	Report Date	Filing Date	Accepted At	Source
8-K	0001104659-26-060321	May 13, 2026	May 13, 2026	May 13, 2026 20:43 UTC	EDGAR
8-K	0001104659-26-013521	Feb 11, 2026	Feb 11, 2026	Feb 11, 2026 22:18 UTC	EDGAR
8-K	0001104659-25-107549	Nov 6, 2025	Nov 6, 2025	Nov 6, 2025 16:23 UTC	EDGAR
8-K	0001104659-25-105878	Nov 4, 2025	Nov 4, 2025	Nov 4, 2025 11:38 UTC	EDGAR
8-K	0001104659-25-105224	Nov 3, 2025	Nov 3, 2025	Nov 3, 2025 12:09 UTC	EDGAR
8-K	0001104659-25-060708	Jun 18, 2025	Jun 18, 2025	Jun 18, 2025 21:20 UTC	EDGAR
8-K	0001104659-25-056392	Jun 4, 2025	Jun 4, 2025	Jun 4, 2025 20:10 UTC	EDGAR
8-K	0001104659-25-016142	Feb 21, 2025	Feb 21, 2025	Feb 21, 2025 21:15 UTC	EDGAR

Direct links to SEC EDGAR. CMSA has additional filings available on the SEC site.

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Institutional

Who is buying and selling CMS ENERGY CORP — insider transactions from Forms 3/4/5/144 and institutional ownership from 13F, 13D, and 13G filings, point-in-time stamped like every other fact in the library. Traders read it as a positioning signal; risk desks read it as concentration.

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Form 4Insider transactions — officers & directors
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13D/GBlockholders & activist stakes

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