41 filings
SD
MDU
MDU Resources Group Inc
22 May 24
Conflict minerals disclosure
8:30am
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
nycvk8vqyghw9
26 Apr 22
Correspondence with SEC
12:00am
UPLOAD
b7g2w bwvd
14 Apr 22
Letter from SEC
12:00am
SD
ql0gb1vbkvcsfnsq k8t
27 May 21
Conflict minerals disclosure
10:34am
SD
2dujrbuxb51t8
26 May 20
Conflict minerals disclosure
9:30am
SD
u56zfk
30 May 19
Conflict minerals disclosure
4:04pm
SD
5zk5pn k9jjxjfr7k
31 May 18
Conflict minerals disclosure
11:35am
SD
28ax8k qadeg
25 May 17
Conflict minerals disclosure
12:00am
SD
f15j1u2ch8f3c21
26 May 16
Conflict minerals disclosure
12:00am
SD
j9z 5lepahmdl
28 May 15
Conflict minerals disclosure
12:00am
SD
uoo3t5iza dnfgxcqcpv
30 May 14
Conflict minerals disclosure
12:00am
UPLOAD
id3z4b4xj6itkr7nmit
2 Dec 13
Letter from SEC
12:00am
UPLOAD
ft7enp
31 Oct 13
Letter from SEC
12:00am
CORRESP
otglusmauogvaq4jqzv
16 Oct 13
Correspondence with SEC
12:00am
CORRESP
4ismlo7k 4diudx9r3j
13 Sep 13
Correspondence with SEC
12:00am
CORRESP
2ssh6s 5648udywsc4
9 Sep 13
Correspondence with SEC
12:00am