X0306 4 2016-03-08 false 0000811156 CMS ENERGY CORP CMS 0001186618 BARBA GLENN P ONE ENERGY PLAZA JACKSON MI 49201 false true false false VP, Controller, CAO Common Stock 2016-03-08 4 S false 9000 40.75 D 39839 D The total holdings reflect an adjustment of 182 additional shares of Restricted Stock purchased on behalf of the reporting person as a result of an automatic acquisition of Restricted Stock in lieu of cash dividends pursuant to the terms of the award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan. Melissa M. Gleespen, Attny-in-Fact 2016-03-09