CMS insider trading
NYSE UtilitiesCMS ENERGY CORP: insider trade history from SEC Form 4 filings.
About CMS ENERGY CORP
CMS Energy Corporation operates as an energy company primarily in Michigan. The company operates through three segments: Electric Utility; Gas Utility; and NorthStar Clean Energy. The Electric Utility segment is involved in the generation, purchase, distribution, and sale of electricity. This segment generates electricity through coal, wind, gas, renewable energy, oil, and nuclear sources. Its distribution system comprises 263 miles of high-voltage distribution overhead lines; 4 miles of high-voltage distribution underground lines; 4,619 miles of high-voltage distribution overhead lines; 18 miles of high-voltage distribution underground lines; 82,854 miles of electric distribution overhead lines; 10,027 miles of underground distribution lines; and 1,102 substations. The Gas Utility segment engages in the purchase, transmission, storage, distribution, and sale of natural gas, which includes 2,337 miles of transmission lines; 14 gas storage fields; 28,433 miles of distribution mains; and 8 compressor stations. The NorthStar Clean Energy segment is involved in the independent power production and marketing, including the development and operation of renewable generation. The company serves 1.9 million electric and 1.8 million gas customers, including residential, commercial, and diversified industrial customers. The company was incorporated in 1987 and is headquartered in Jackson, Michigan.
Company website: www.cmsenergy.com
CMS insider activity at a glance
FilingIQ tracks 815 insider transactions for CMS in filings since Jan 23, 2015. The most recent transaction is dated Jul 31, 2026.
Across the full history, 6 open-market purchases
and 144 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on CMS insider trades is 59.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest CMS Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
Other Utilities tickers with recent insider activity
13F funds holding CMS
Frequently asked
- How many insider trades does FilingIQ track for CMS?
- FilingIQ tracks 815 Form 4 insider transactions for CMS (CMS ENERGY CORP), covering filings from Jan 23, 2015 onwards. 1 of those are dated within the last 90 days.
- Are CMS insiders net buyers or net sellers?
- Across the full Form 4 history for CMS, 6 transactions (1%) were open-market purchases and 144 (18%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does CMS insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
- What sector is CMS in?
- CMS ENERGY CORP (CMS) is classified in the Utilities sector, specifically Utilities - Regulated Electric, with a current market capitalisation of $23.28B.
Methodology & sources
Every CMS insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.