X0306 4 2013-08-04 false 0000811156 CMS ENERGY CORP CMS 0001368572 Butler John M ONE ENERGY PLAZA JACKSON MI 49201 false true false false Senior Vice President Common Stock 2013-08-04 4 A false 13965.77 0 A 118874.77 D Common Stock 2013-08-04 4 F false 13011.91 28.52 D 105862.86 D Common Stock 2013-08-06 4 S false 10000 28.02 D 95862.86 D Shares of Common Stock of CMS Energy Corporation ("CMS") acquired as a result of CMS exceeding certain performance criteria established under the 2010 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan. The total holdings reflect an adjustment of 24 additional shares of Common Stock of CMS Energy Corporation ("CMS") acquired as a result of dividend reinvestment pursuant to the reporting person's participation in the CMS Stock Purchase Plan, and an adjustment of 1,289 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. The price reporting in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.99 to $28.04, inclusive. The reporting person undertakes to provide to CMS Energy Corporation ("CMS"), any security holder of CMS, or the staff of the Securities and Exchange Commission, upon request full information regarding the number of shares sold at each separate price within the ranges set forth in this Footnote (3) to this Form 4. Catherine M. Reynolds, Attny-In-Fact 2013-08-06