| 2021-06-11 | Sale | MDU Resources Group, Inc. MDU | President & CEO-Montana-Dakota | 7,410 0.0037% | $33.26 | $246,449 | -10.73% | |
| 2021-06-08 | Sale | MDU Resources Group, Inc. MDU | President & CEO-Montana-Dakota | 7,410 0.0037% | $33.51 | $248,322 | -10.47% | |
| 2013-06-25 | MDU Resources Group, Inc. MDU | VP, Controller & CAO | 515 0.0003% | $25.03 | $12,888 | +22.57% | ||
| 2012-05-29 | MDU Resources Group, Inc. MDU | VP, Controller & CAO | 445 0.0002% | $22.81 | $10,150 | -0.95% | ||
| 2012-02-24 | MDU Resources Group, Inc. MDU | VP, Controller & CAO | 450 0.0002% | $21.94 | $9,872 | +2.42% | ||
| 2009-02-27 | MDU Resources Group, Inc. MDU | Controller | 1,324 0.0007% | $15.04 | $19,913 | +38.38% |