{"url_path":"/sec/cms/8-k/2026-05-13/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/811156/0001104659-26-060321-index.html","accession_number":"0001104659-26-060321","cik":"0000811156","ticker":"CMS","issuer_name":"CMS ENERGY CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/811156/0001104659-26-060321-index.html","primary_entity_key":"0000811156","primary_entity_name":"CMS ENERGY CORP"},"word_count":371,"has_tables":true,"body_markdown":"false\n0000811156\n\n0000811156\n\n2026-05-13\n2026-05-13\n\n0000811156\n\nus-gaap:CommonStockMember\n\n2026-05-13\n2026-05-13\n\n0000811156\n\ncms:A5.625JuniorSubordinatedNotesDue2078Member\n\n2026-05-13\n2026-05-13\n\n0000811156\n\ncms:A5.875JuniorSubordinatedNotesDue2078Member\n\n2026-05-13\n2026-05-13\n\n0000811156\n\ncms:A5.875JuniorSubordinatedNotesDue2079Member\n\n2026-05-13\n2026-05-13\n\n0000811156\n\ncms:CMSEnergyCorporationDepositaryShareseachrepresentinga11000thinterestinashareof4200percentCumulativeRedeemablePerpetualPreferredStockSeriesCMember\n\n2026-05-13\n2026-05-13\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n** **\n\n****\n\n \n\n** **\n\n**UNITED STATES**\n\n**SECURITIES AND\nEXCHANGE COMMISSION**\n\n**Washington, D.C.\n20549**\n\n** **\n\n**FORM 8-K**\n\n** **\n\n**CURRENT REPORT**\n\n**PURSUANT TO SECTION 13\nOR 15(d) OF**\n\n**THE SECURITIES\nEXCHANGE ACT OF 1934**\n\n** **\n\n**Date of Report (Date of earliest event reported)**\n**May 13, 2026**\n\n \n\n**Commission**\n \n**Registrant;\nState of Incorporation;**\n \n**IRS\nEmployer**\n\n**File\nNumber**\n \n**Address; and\nTelephone Number**\n \n**Identification\nNo.**\n\n \n \n \n \n \n\n**1-9513**\n \n\n**CMS ENERGY CORPORATION**\n\n**(A Michigan Corporation)\nOne Energy Plaza\nJackson, Michigan 49201\n(517) 788-0550**\n\n \n**38-2726431**\n\n \n\nCheck the appropriate box below if the Form 8-K filing\nis intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\n \n\n¨ Written communications pursuant\nto Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n¨ Soliciting material pursuant\nto Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n¨ Pre-commencement communications\npursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange\nAct (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n**Title\nof each class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered**\n\nCMS Energy Corporation Common Stock, $.01 par value\n \nCMS\n \nNew York Stock Exchange\n\nCMS Energy Corporation 5.625% Junior Subordinated Notes due 2078\n \nCMSA\n \nNew York Stock Exchange\n\nCMS Energy Corporation 5.875% Junior Subordinated Notes due 2078\n \nCMSC\n \nNew York Stock Exchange\n\nCMS Energy Corporation 5.875% Junior Subordinated Notes due 2079\n \nCMSD\n \nNew York Stock Exchange\n\nCMS Energy Corporation, Depositary Shares,\neach representing a 1/1,000th interest in a share of 4.200% Cumulative Redeemable Perpetual Preferred Stock, Series C\n \nCMS PRC\n \nNew York Stock Exchange\n\n \n\nIndicate\nby check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405\nof this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).  Emerging growth\ncompany:   ¨\n\n \n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ¨"}