| 2023-08-07 | Zebra Technologies Corporation ZBRA | director | 1,000 0.0019% | $248.85 | $248,850 | +7.86% | ||
| 2021-09-08 | Sale | Zebra Technologies Corporation ZBRA | director | 5,000 0.0094% | $579.28 | $2.9M | -27.62% | |
| 2021-09-07 | Sale | Zebra Technologies Corporation ZBRA | director | 4,000 0.0075% | $584.23 | $2.34M | -27.71% | |
| 2021-02-22 | Sale | Zebra Technologies Corporation ZBRA | director | 15,000 0.0281% | $489.91 | $7.35M | +6.15% | |
| 2020-06-08 | Sale | Zebra Technologies Corporation ZBRA | director | 3,502 0.0066% | $276.78 | $969,284 | +35.45% | |
| 2019-03-12 | Sale | Zebra Technologies Corporation ZBRA | director | 19,000 0.0354% | $210.96 | $4.01M | -0.13% | |
| 2017-05-25 | Sale | Zebra Technologies Corporation ZBRA | director | 12,264 0.0236% | $106.26 | $1.3M | +3.03% | |
| 2016-02-29 | Zebra Technologies Corporation ZBRA | director | 2,000 0.0039% | $61.89 | $123,782 | +8.14% | ||
| 2014-02-18 | Sale | Principal Financial Group, Inc. PFG | director | 3,770 0.0011% | $39.52 | $148,972 | +13.86% | |
| 2013-03-14 | Sale | Principal Financial Group, Inc. PFG | director | 1,935 0.0007% | $34.36 | $66,487 | +26.32% | |
| 2012-03-14 | Sale | Principal Financial Group, Inc. PFG | director | 4,000 0.0013% | $28.00 | $112,000 | -2.1% | |
| 2011-02-17 | Zebra Technologies Corporation ZBRA | director | 10,000 0.0181% | $39.30 | $393,000 | -4.75% | ||
| 2010-02-24 | Sale | W.W. Grainger, Inc. GWW | Chairman Emeritus | 15,075 0.0208% | $103.42 | $1.56M | +10.28% | |
| 2009-12-14 | Sale | W.W. Grainger, Inc. GWW | Chairman Emeritus | 1,650 0.0023% | $98.00 | $161,700 | +10.84% | |
| 2009-12-11 | Sale | W.W. Grainger, Inc. GWW | Chairman Emeritus | 8,900 0.0123% | $98.06 | $872,691 | +11.35% | |
| 2009-07-28 | Sale | W.W. Grainger, Inc. GWW | Chairman Emeritus | 175,000 0.2339% | $87.55 | $15.32M | +14.29% | |
| 2009-04-30 | Sale | W.W. Grainger, Inc. GWW | Chairman Emeritus | 18,600 0.0252% | $83.51 | $1.55M | +15.33% | |
| 2009-03-16 | Sale | W.W. Grainger, Inc. GWW | Chairman of the Board | 24,959 0.0335% | $64.11 | $1.6M | +40.38% | |
| 2008-05-15 | Sale | W.W. Grainger, Inc. GWW | Chairman and CEO | 54,105 0.0696% | $89.84 | $4.86M | -13.37% | |
| 2008-05-14 | Sale | W.W. Grainger, Inc. GWW | Chairman and CEO | 146,340 0.1914% | $90.33 | $13.22M | -12.41% |