FILINGS
| MDU 0000067716 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-21 | 8-K | 8-K | View Document |
| 2017-02-14 | SC 13G/A | SC 13G/A | View Document |
| 2017-02-10 | SC 13G/A | View Document | |
| 2017-02-10 | SC 13G/A | View Document | |
| 2017-02-10 | SC 13G/A | View Document | |
| 2017-02-09 | SC 13G | MDU RESOURCES GROUP, INC. | View Document |
| 2017-02-01 | 8-K | MDU RESOURCES FORM 8-K | View Document |
| 2017-01-25 | SC 13G/A | View Document | |
| 2017-01-05 | 3 | PRIMARY DOCUMENT | View Document |
| 2017-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-03 | 8-K | 8-K | View Document |
| 2016-12-13 | 8-K | 8-K | View Document |
| 2016-12-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-05 | POSASR | POSASR | View Document |
| 2016-11-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-23 | 8-K | MDU RESOURCES FORM 8-K CAP EX | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-21 | 8-K | 8-K | View Document |
| 2016-11-21 | 8-K | 8-K | View Document |
| 2016-11-07 | 10-Q | MDU RESOURCES FORM 10-Q 9-30-2016 | View Document |
| 2016-11-03 | 8-K | MDU RESOURCES FORM 8-K | View Document |
| 2016-09-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-05 | 10-Q | MDU RESOURCES FORM 10-Q 6-30-2016 | View Document |
| 2016-08-03 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2016-07-22 | S-8 | S-8 | View Document |
| 2016-07-21 | 8-K/A | 8-K/A | View Document |
| 2016-06-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-06-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-06-28 | 8-K | 8-K | View Document |
| 2016-06-17 | 11-K | MDU RESOURCES GROUP, INC. FORM 11-K | View Document |
| 2016-05-26 | SD | SD | View Document |
| 2016-05-06 | 10-Q | MDU RESOURCES FORM 10-Q 3-31-2016 | View Document |
| 2016-05-05 | 3/A | PRIMARY DOCUMENT | View Document |
| 2016-05-04 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2016-04-29 | 8-K/A | 8-K/A | View Document |
| 2016-04-29 | 8-K/A | 8-K | View Document |
| 2016-04-27 | 8-K | 8-K | View Document |
| 2016-04-14 | DEFA14A | DEFA14A | View Document |
| 2016-04-05 | 8-K | 8-K | View Document |
| 2016-03-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-03-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-03-16 | DEF 14A | DEF 14A | View Document |
| 2016-03-08 | 8-K | 8-K | View Document |
| 2016-02-19 | 10-K | MDU RESOURCES 2015 FORM 10-K | View Document |
| 2016-02-18 | 8-K | 8-K | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-02-16 | SC 13G | MDU RESOURCES GROUP, INC. | View Document |
| 2016-02-12 | SC 13G/A | SCHEDULE 13G AMENDMENT NO. 1 | View Document |
| 2016-02-10 | SC 13G/A | View Document | |
| 2016-02-04 | 4/A | PRIMARY DOCUMENT | View Document |
| 2016-02-04 | 8-K | MDU RESOURCES GROUP, INC. 12-31-2015 FORM 8-K | View Document |
| 2016-01-26 | SC 13G/A | View Document | |
| 2016-01-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-01-13 | 3 | PRIMARY DOCUMENT | View Document |
| 2016-01-08 | 3 | PRIMARY DOCUMENT | View Document |
| 2016-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-12-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-11-19 | 4 | PRIMARY DOCUMENT | View Document |
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