| 2018-07-16 | MillerKnoll, Inc. MLKN | director | 100 0.0002% | $38.75 | $3,875 | -2.92% | ||
| 2015-01-16 | Sale | MillerKnoll, Inc. MLKN | director | 2,892.25 0.0048% | $28.08 | $81,211 | +2.49% | |
| 2014-01-17 | Sale | MillerKnoll, Inc. MLKN | director | 3,714.68 0.0063% | $28.70 | $106,607 | +6.15% | |
| 2012-01-20 | Sale | MillerKnoll, Inc. MLKN | director | 0.96 <0.0001% | $20.60 | $20 | -3.25% | |
| 2010-04-05 | Sale | Principal Financial Group, Inc. PFG | director | 34,626 0.0108% | $30.00 | $1.04M | -5.57% | |
| 2007-12-03 | Sale | Principal Financial Group, Inc. PFG | Chairman and CEO | 278,870 0.106% | $64.43 | $17.97M | -21.03% | |
| 2006-11-03 | Sale | Principal Financial Group, Inc. PFG | Chairman and CEO | 172,172 0.0643% | $56.09 | $9.66M | +8.59% | |
| 2006-09-08 | Sale | Principal Financial Group, Inc. PFG | Chairman and CEO | 600 0.0002% | $53.18 | $31,908 | +12.92% | |
| 2006-09-01 | Sale | Principal Financial Group, Inc. PFG | Chairman and CEO | 199,400 0.0739% | $53.11 | $10.59M | +12.85% | |
| 2006-06-01 | Sale | Principal Financial Group, Inc. PFG | Chairman and CEO | 200,000 0.0725% | $53.95 | $10.79M | +8.08% | |
| 2005-12-16 | Sale | Principal Financial Group, Inc. PFG | Chairman, President/CEO | 38,028 0.0132% | $49.79 | $1.89M | +7.02% | |
| 2005-12-15 | Sale | Principal Financial Group, Inc. PFG | Chairman, President/CEO | 207,600 0.0721% | $49.82 | $10.34M | +6.87% |