# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000067716-20-000020
Filing Date
2020-03-27
Accepted
2020-03-27 10:02:38
Documents
27
Period of Report
2020-05-12
Effectiveness Date
2020-03-27

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | a2020mdudefinitiveproxy.htm | DEF 14A | 2122286
2 |  | a2020proxydonutchartspdf11.jpg | GRAPHIC | 73397
3 |  | a2020proxydonutchartspdf21.jpg | GRAPHIC | 129985
4 |  | chart-800918c31bcfde66c95.jpg | GRAPHIC | 39018
5 |  | dankuntzsig2a06.jpg | GRAPHIC | 199480
6 |  | davidlgoodinblcka07.jpg | GRAPHIC | 195138
7 |  | everistthomasbw2.jpg | GRAPHIC | 513454
8 |  | faggkarenbw2.jpg | GRAPHIC | 517303
9 |  | goodindavebw2.jpg | GRAPHIC | 511962
10 |  | hellersteinmarkbw2.jpg | GRAPHIC | 487177
11 |  | image-dgletterheada07.jpg | GRAPHIC | 111463
12 |  | image-envelopea08.jpg | GRAPHIC | 577
13 |  | image-telephonea08.jpg | GRAPHIC | 630
14 |  | image_computera08.jpg | GRAPHIC | 598
15 |  | johnsondennisbw2.jpg | GRAPHIC | 557464
16 |  | mduprox_chart-39730a05.jpg | GRAPHIC | 50630
17 |  | mduprox_chart-43094a05.jpg | GRAPHIC | 59741
18 |  | mduprox_chart-44763a05.jpg | GRAPHIC | 70949
19 |  | mdurlogorgba03.jpg | GRAPHIC | 65328
20 |  | mosspatriciabw2.jpg | GRAPHIC | 576195
21 |  | phonea04.jpg | GRAPHIC | 3793
22 |  | proxybod2019242020copy.jpg | GRAPHIC | 1932106
23 |  | ryanedwardbw3.jpg | GRAPHIC | 498340
24 |  | sparbydavidbw2.jpg | GRAPHIC | 552454
25 |  | stickfigurea10.jpg | GRAPHIC | 27079
26 |  | wangchenxibw2.jpg | GRAPHIC | 493545
27 |  | wilsonjohnbw2.jpg | GRAPHIC | 594841
| Complete submission text file | 0000067716-20-000020.txt |  | 13381993

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-03480 | Film No.: 20748573
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)