40 filings
SD
MDU
MDU Resources Group Inc
24 May 23
Conflict minerals disclosure
3:33pm
UPLOAD
MDU
MDU Resources Group Inc
23 Jun 22
Letter from SEC
12:00am
SD
MDU
MDU Resources Group Inc
25 May 22
Conflict minerals disclosure
2:37pm
CORRESP
MDU
MDU Resources Group Inc
16 May 22
Correspondence with SEC
12:00am
CORRESP
MDU
MDU Resources Group Inc
26 Apr 22
Correspondence with SEC
12:00am
UPLOAD
emlh25jaw 47
14 Apr 22
Letter from SEC
12:00am
SD
pjz4elzl
27 May 21
Conflict minerals disclosure
10:34am
SD
okyrfei4ir m178pxp4
26 May 20
Conflict minerals disclosure
9:30am
SD
3udc ji83
30 May 19
Conflict minerals disclosure
4:04pm
SD
e58js33gvu6il7w2
31 May 18
Conflict minerals disclosure
11:35am
SD
moqixyd c4kn4t
25 May 17
Conflict minerals disclosure
12:00am
SD
xq63cij
26 May 16
Conflict minerals disclosure
12:00am
SD
08mj6hewdyipgu
28 May 15
Conflict minerals disclosure
12:00am
SD
3m620aoyi6e3
30 May 14
Conflict minerals disclosure
12:00am
UPLOAD
7dkdo1
2 Dec 13
Letter from SEC
12:00am
UPLOAD
x9nxgn5hdd
31 Oct 13
Letter from SEC
12:00am
CORRESP
2hdaqh4vwgktzdrb0 08
16 Oct 13
Correspondence with SEC
12:00am
CORRESP
l7b13nxyysl8hj
13 Sep 13
Correspondence with SEC
12:00am
CORRESP
iafaidll
9 Sep 13
Correspondence with SEC
12:00am
UPLOAD
qt073715nf15v
23 Aug 13
Letter from SEC
12:00am