| 2012-11-05 | Sale | CMS Energy Corporation CMS | director | 150,000 0.0576% | $23.63 | $3.54M | +16.11% | |
| 2011-05-10 | Sale | CMS Energy Corporation CMS | director | 49,845 0.0197% | $20.20 | $1.01M | +2.93% | |
| 2011-03-01 | Sale | CMS Energy Corporation CMS | director | 200,000 0.0805% | $19.24 | $3.85M | +5.46% | |
| 2008-11-12 | CMS Energy Corporation CMS | director | 10,000 0.0045% | $9.71 | $97,098 | +25.99% | ||
| 2008-11-11 | CMS Energy Corporation CMS | director | 30,000 0.0136% | $10.19 | $305,700 | +22.05% | ||
| 2007-02-27 | Sale | CMS Energy Corporation CMS | director | 151,653 0.0697% | $17.72 | $2.69M | -2.04% |