| 2020-08-26 | Black Hills Corporation BKH | director | 10,000 0.0161% | $54.63 | $546,312 | +17.54% | ||
| 2015-08-26 | Black Hills Corporation BKH | director | 5,000 0.0111% | $38.87 | $194,350 | +45.97% | ||
| 2012-05-09 | Black Hills Corporation BKH | director | 7,500 0.0172% | $32.59 | $244,425 | +12.18% | ||
| 2011-02-25 | Sale | Archer-Daniels-Midland Company ADM | Executive Vice President & CFO | 27,748 0.0041% | $36.88 | $1.02M | -18.38% | |
| 2011-02-24 | Sale | Archer-Daniels-Midland Company ADM | Executive Vice President & CFO | 115,754 0.017% | $36.50 | $4.23M | -17.33% | |
| 2006-05-10 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 21,898 0.0033% | $45.20 | $989,827 | -16.39% | |
| 2006-02-22 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 27,828 0.0043% | $31.14 | $866,583 | +20.39% | |
| 2005-08-19 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 19,996 0.003% | $20.78 | $415,596 | +48.72% | |
| 2004-11-18 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 64,308 0.0097% | $20.68 | $1.33M | +6.3% | |
| 2004-09-14 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 38,000 0.0058% | $16.68 | $633,944 | +29.58% | |
| 2004-02-09 | Sale | Archer-Daniels-Midland Company ADM | Group V.P. & Controller | 55,596 0.0086% | $16.91 | $940,012 | +0.98% |