Affiliations
- Pres.& Ceo-Wbi Energy, Inc. at Mdu Resources Group Inc (MDU), 2014-12-29
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| MDU | $34.51 | 10,257 | Officer | 34,704 | 2014-02-19 | Filing |
| MDU | $26.37 | 10,000 | Officer | 23,885 | 2013-05-07 | Filing |
| MDU | $20.73 | 800 | Officer | 25,855 | 2009-08-10 | Filing |
| MDU | $20.73 | 2,200 | Officer | 26,655 | 2009-08-10 | Filing |