| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MDU | MDU RESOURCES GROUP INC | LEWIS RICHARD H | Director | Nov 19, 2012 | Option Exercise | $20.12 | 5,467 | 109,985 | 28,167 | Nov 20, 2012, 12:42 PM | |
| MDU | MDU RESOURCES GROUP INC | LEWIS RICHARD H | Director | Aug 30, 2012 | Sale | $21.68 | 3,000 | 65,031 | 22,700 | Aug 31, 2012, 10:59 AM | |
| MDU | MDU RESOURCES GROUP INC | LEWIS RICHARD H | Director | Nov 21, 2011 | Option Exercise | $20.18 | 5,450 | 109,986 | 25,700 | Nov 22, 2011, 01:14 PM |
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