FILINGS
| MDU 0000067716 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2014-01-30 | SC 13G/A | View Document | |
| 2014-01-24 | 5 | PRIMARY DOCUMENT | View Document |
| 2014-01-23 | 8-K | 8-K | View Document |
| 2014-01-08 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-12-19 | 8-K | 8-K | View Document |
| 2013-12-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-03 | 8-K | 8-K | View Document |
| 2013-12-02 | UPLOAD | View Document | |
| 2013-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-20 | 8-K | 8-K | View Document |
| 2013-11-07 | 10-Q | MDU RESOURCES GROUP, INC. 3RD QUARTER 2013 FORM 10-Q | View Document |
| 2013-11-01 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2013-10-31 | UPLOAD | View Document | |
| 2013-10-16 | CORRESP | View Document | |
| 2013-10-15 | 8-K | 8-K | View Document |
| 2013-09-13 | CORRESP | View Document | |
| 2013-09-09 | CORRESP | View Document | |
| 2013-08-23 | UPLOAD | View Document | |
| 2013-08-09 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-08-09 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-08-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-08-07 | 3/A | PRIMARY DOCUMENT | View Document |
| 2013-08-07 | 10-Q | 10-Q | View Document |
| 2013-08-06 | CORRESP | View Document | |
| 2013-08-01 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2013-07-26 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2013-07-24 | CORRESP | View Document | |
| 2013-07-11 | UPLOAD | View Document | |
| 2013-06-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-17 | CORRESP | View Document | |
| 2013-06-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-14 | 11-K | MDU RESOURCES GROUP, INC. FORM 11-K | View Document |
| 2013-06-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-05 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-06-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-22 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-05-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-20 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-05-20 | 8-K | 8-K | View Document |
| 2013-05-20 | 424B5 | 424B5 | View Document |
| 2013-05-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-13 | CORRESP | View Document | |
| 2013-05-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-07 | 10-Q | MDU RESOURCES GROUP, INC. 1ST QUARTER 2013 FORM 10-Q | View Document |
| 2013-05-06 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K ITEM 1.04 | View Document |
| 2013-05-01 | 8-K | 8-K | View Document |
| 2013-04-25 | 8-K | 8-K | View Document |
| 2013-04-17 | CORRESP | View Document | |
| 2013-04-15 | UPLOAD | View Document | |
| 2013-03-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-03-14 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
| 2013-03-13 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2013-03-07 | 8-K | 8-K | View Document |
| 2013-02-28 | 10-K | MDU RESOURCES GROUP, INC. 2012 FORM 10-K | View Document |
| 2013-02-14 | SC 13G/A | SCHEDULE 13G/A - 12/31/2012 | View Document |
| 2013-02-13 | SC 13G | View Document | |
| 2013-02-12 | SC 13G | View Document | |
| 2013-02-11 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2013-02-07 | SC 13G/A | MDU AS OF 12/31/2012 | View Document |
| 2013-02-05 | SC 13G/A | View Document | |
| 2013-02-05 | 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | View Document |
| 2013-01-08 | 3 | PRIMARY DOCUMENT | View Document |
| 2013-01-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2012-12-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2012-12-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2012-12-10 | 4 | PRIMARY DOCUMENT | View Document |
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