687 filings
Page 9 of 35
DEFA14A
tebu1w ziv
24 Mar 17
Additional proxy soliciting materials
12:00am
8-K
q9mcju8l0j
21 Feb 17
Departure of Directors or Certain Officers
12:00am
8-K
gkvhqbgc4745
1 Feb 17
MDU Resources Reports 2016 Earnings, Initiates Guidance for 2017
12:00am
8-K
g7ra45lcnq2o7 6z
3 Jan 17
Montana-Dakota Utilities Co. signs agreement to purchase power from wind farm expansion
12:00am
8-K
z1s6l
13 Dec 16
Mine Safety - Reporting of Shutdowns and Patterns of Violations
12:00am
POSASR
sat6wr6
5 Dec 16
Automatic shelf registration (post-effective amendment)
12:00am
8-K
gm5ayhlu w0jz
23 Nov 16
Other Events
12:00am
8-K
mntjey epykk7
21 Nov 16
Departure of Directors or Certain Officers
12:00am
8-K
xlrmk 7ka
21 Nov 16
MDU Resources Subsidiary Signs Sale Agreement for its Share of N.D. Natural Gas Processing Plant
12:00am
8-K
rnhx0jz1e l6p
3 Nov 16
Record Earnings at Construction Materials Business
12:00am
8-K
3coada mj1
3 Aug 16
Record Second Quarter Earnings at Construction Materials Business
12:00am
S-8
d86jn6mt3gf
22 Jul 16
Registration of securities for employees
12:00am
8-K/A
rlitljqvyxscr4op0z
21 Jul 16
Financial Statements and Exhibits
12:00am
8-K
nt4m244vrw2rcw0k0
28 Jun 16
Entry into a Material Definitive Agreement
12:00am
SD
xyyc939ght25hbq1o2oq
26 May 16
Conflict minerals disclosure
12:00am