The largest purchase of all time was on 2009-02-25 and amounted to 10000 shares of MDU Resources Group, Inc. for $155,996.
The largest sale of all time was on 2009-11-13 and amounted to 17860 shares of MDU Resources Group, Inc. for $396,777.
No biography is available at this moment.
| 2014-02-21 | Sale | MDU Resources Group, Inc. MDU | VP - Renewable Resources | 2,200 0.0012% | $34.74 | $76,425 | -8.45% | |
| 2011-11-15 | MDU Resources Group, Inc. MDU | VP - Renewable Resources | 3,136 0.0016% | $20.40 | $63,962 | +9.47% | ||
| 2009-11-13 | Sale | MDU Resources Group, Inc. MDU | VP - Renewable Resources | 17,860 0.0095% | $22.22 | $396,777 | -5.8% | |
| 2009-02-25 | MDU Resources Group, Inc. MDU | VP - Renewable Resources | 10,000 0.0056% | $15.60 | $155,996 | +37.39% |