How many insider trades does FilingIQ track for CMS?

FilingIQ tracks 759 Form 4 insider transactions for CMS (CMS ENERGY CORP), covering filings from Jan 21, 2015 onwards. 32 of those were filed in the last 90 days.

Are CMS insiders net buyers or net sellers?

Across the full Form 4 history for CMS, 2 transactions (0%) were open-market purchases and 126 (17%) 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 parses the raw XML, normalises insider identity across reporting variations, and scores each trade 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.

CMS insider trading

NYSE Utilities

CMS ENERGY CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

759

Last 90 days

Buys / sells

0% / 17%

Market cap

$23.28B

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 has scored 759 insider transactions for CMS since Jan 21, 2015. The most recent filing in our index is dated May 8, 2026.

Across the full history, 2 open-market purchases and 126 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 60.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live CMS trades on FilingIQ Raw filings on SEC EDGAR

Other Utilities tickers with recent insider activity

PNW 171

PINNACLE WEST CAPITAL CORP

CALIFORNIA WATER SERVICE GROUP

OPAL 90

OPAL Fuels Inc.

AWR 88

AMERICAN STATES WATER CO

DUK 78

Duke Energy CORP

ORA 76

ORMAT TECHNOLOGIES, INC.

13F funds holding CMS

Perpetual Ltd

$157.24M · 1.5% of AUM

Partners Group Holding AG

$40.31M · 3.4% of AUM

Beck Bode, LLC

$12.88M · 2.6% of AUM

Frequently asked

How many insider trades does FilingIQ track for CMS?: FilingIQ tracks 759 Form 4 insider transactions for CMS (CMS ENERGY CORP), covering filings from Jan 21, 2015 onwards. 32 of those were filed in the last 90 days.
Are CMS insiders net buyers or net sellers?: Across the full Form 4 history for CMS, 2 transactions (0%) were open-market purchases and 126 (17%) 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 parses the raw XML, normalises insider identity across reporting variations, and scores each trade 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.