| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 17, 2020 | Option Exercise | $25.40 | 4,921 | 124,998 | 33,207 | Nov 18, 2020, 02:55 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 19, 2019 | Option Exercise | $29.16 | 4,286 | 124,997 | 28,286 | Nov 20, 2019, 04:10 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 20, 2018 | Option Exercise | $26.55 | 4,143 | 109,976 | 24,000 | Nov 21, 2018, 12:24 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 21, 2017 | Option Exercise | $26.88 | 4,091 | 109,978 | 19,857 | Nov 22, 2017, 02:43 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 21, 2016 | Option Exercise | $28.30 | 3,886 | 109,989 | 15,766 | Nov 22, 2016, 02:24 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 18, 2015 | Option Exercise | $18.21 | 6,039 | 109,982 | 11,880 | Nov 19, 2015, 05:09 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 19, 2014 | Option Exercise | $25.34 | 4,340 | 109,984 | 5,841 | Nov 20, 2014, 05:57 PM | |
| MDU | MDU RESOURCES GROUP INC | HELLERSTEIN MARK A | Director | Nov 20, 2013 | Option Exercise | $30.53 | 1,501 | 45,823 | 1,501 | Nov 21, 2013, 05:45 PM |
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