The largest purchase of all time was on 2010-05-25 and amounted to 2840 shares of MDU Resources Group, Inc. for $49,355.
The largest sale of all time was on 2007-02-20 and amounted to 45020 shares of MDU Resources Group, Inc. for $1.2M.
No biography is available at this moment.
| 2010-11-29 | Sale | MDU Resources Group, Inc. MDU | President and CEO | 0.81 <0.0001% | $20.67 | $17 | +4.84% | |
| 2010-05-25 | MDU Resources Group, Inc. MDU | President and CEO | 2,840 0.0015% | $17.38 | $49,355 | +19.78% | ||
| 2007-02-20 | Sale | MDU Resources Group, Inc. MDU | President and CEO | 45,020 0.0248% | $26.69 | $1.2M | +5.32% | |
| 2005-02-23 | Sale | MDU Resources Group, Inc. MDU | President and CEO | 3,683 0.0031% | $27.24 | $100,315 | +15.65% | |
| 2004-02-18 | Sale | MDU Resources Group, Inc. MDU | President and CEO | 15,936 0.0082% | $14.08 | $224,431 | +5.88% |