| 2016-11-09 | CMS Energy Corporation CMS | director | 3,000 0.0011% | $40.59 | $121,776 | +14.55% | ||
| 2015-11-06 | CMS Energy Corporation CMS | director | 3,000 0.0011% | $34.16 | $102,495 | +22.57% | ||
| 2015-02-11 | CMS Energy Corporation CMS | director | 2,000 0.0007% | $35.71 | $71,411 | -1.59% | ||
| 2010-11-02 | Sale | Alliant Energy Corporation LNT | Chairman and CEO | 10,798 0.0083% | $31.54 | $340,569 | +7.96% | |
| 2010-08-09 | Sale | Alliant Energy Corporation LNT | Chairman and CEO | 11,000 0.0088% | $31.54 | $346,940 | +7.85% | |
| 2007-05-07 | Sale | Alliant Energy Corporation LNT | Chairman and CEO | 26,642 0.0233% | $44.72 | $1.19M | -13.91% | |
| 2007-02-09 | Sale | Alliant Energy Corporation LNT | Chairman and CEO | 26,642 0.0099% | $16.82 | $448,118 | +4.66% | |
| 2006-08-04 | Sale | Alliant Energy Corporation LNT | Chairman and CEO | 5,100 0.0034% | $28.13 | $143,438 | +9.6% |