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Mdu Resources Group Inc
(MDU US)
$19.22
-0.14
0.75%
Ext:
$19.86
+0.64
3.31%
(Market Closed · 00:00:02 UTC)
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MDU US
SEC Filings
Select Filings
Financials
(132)
Expand
10-Q
Q2
ended 30 Jun 2026
6 Aug
10-Q
Q1
ended 31 Mar 2026
7 May
10-K
FY 2025
ended 31 Dec 2025
20 Feb
10-Q
Q3
ended 30 Sept 2025
10 Nov 2025
10-Q
Q2
ended 30 Jun 2025
7 Aug 2025
10-Q
Q1
ended 31 Mar 2025
8 May 2025
10-K
FY 2024
ended 31 Dec 2024
20 Feb 2025
10-Q
Q3
ended 30 Sept 2024
7 Nov 2024
10-Q
Q2
ended 30 Jun 2024
8 Aug 2024
10-Q
Q1
ended 31 Mar 2024
2 May 2024
10-K
FY 2023
ended 31 Dec 2023
22 Feb 2024
10-Q
Q3
ended 30 Sept 2023
2 Nov 2023
10-Q
Q1
ended 31 Mar 2023
4 May 2023
10-K
FY 2022
ended 31 Dec 2022
24 Feb 2023
10-Q
Q3
ended 30 Sept 2022
3 Nov 2022
Events
(370)
Expand
8-K
Results of Operations and Financial Condition
6 Aug
8-K
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
13 May
8-K
Results of Operations and Financial Condition
7 May
8-K
Results of Operations and Financial Condition
5 Feb
8-K
Entry into a Material Definitive Agreement
16 Jan
8-K
Entry into a Material Definitive Agreement
29 Dec 2025
8-K
Entry into a Material Definitive Agreement
12 Dec 2025
8-K
Entry into a Material Definitive Agreement
5 Dec 2025
8-K
Regulation FD Disclosure
20 Nov 2025
8-K
Results of Operations and Financial Condition
6 Nov 2025
8-K
Director/Officer Changes & Compensatory Arrangements
13 Aug 2025
8-K
Entry into Material Agreement
7 Aug 2025
8-K
Results of Operations and Financial Condition
7 Aug 2025
8-K
Director/Officer Changes & Compensatory Arrangements
15 May 2025
8-K
Results of Operations and Financial Condition
8 May 2025
Insider Ownership
(936)
Expand
4
DURKIN MARIAN M
1 Oct
4
Dosch Vernon A.
1 Oct
4
DURKIN MARIAN M
1 Jul
4
Dosch Vernon A.
1 Jul
4
DURKIN MARIAN M
1 Apr
4
Dosch Vernon A.
1 Apr
4
Vollmer Jason L
19 Feb
4
Foti Anthony Donald
19 Feb
4
Sievert Stephanie A
19 Feb
4
Senger Garret
19 Feb
4
Boese Dyke A.
19 Feb
4
Kivisto Nicole A
19 Feb
4
Jones Anne M
19 Feb
4
Johnson Rob L.
19 Feb
4
KELLEY CHARLES M
17 Feb
Beneficial Ownership
(86)
Expand
SC 13G
MDU RESOURCES GROUP INC
8 Oct
SC 13G
MDU RESOURCES GROUP INC
12 Aug
SC 13G/A
MDU RESOURCES GROUP INC
14 Jul
SC 13G
MDU RESOURCES GROUP INC
13 May
SC 13G
MDU RESOURCES GROUP INC
30 Apr
SC 13G
MDU RESOURCES GROUP INC
29 Apr
SC 13G
MDU RESOURCES GROUP INC
9 Apr
SC 13G/A
MDU RESOURCES GROUP INC
27 Mar
SC 13G
MDU RESOURCES GROUP INC
11 Feb
SC 13G/A
MDU RESOURCES GROUP INC
30 Jan 2025
SC 13G/A
MDU RESOURCES GROUP INC
7 Nov 2024
SC 13D/A
MDU RESOURCES GROUP INC
1 Nov 2024
SC 13D/A
MDU RESOURCES GROUP INC
18 Mar 2024
SC 13G/A
MDU RESOURCES GROUP INC
13 Feb 2024
SC 13G/A
MDU RESOURCES GROUP INC
24 Jan 2024
Other Ownership
(39)
Expand
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
18 Jun
11-K/A
Annual report (employee stock purchase/savings/profit sharing plans, amendment)
23 Jun 2025
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
18 Jun 2025
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
26 Jun 2024
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
21 Jun 2023
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
27 Jun 2022
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
22 Jun 2021
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
12 Jun 2020
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
14 Jun 2019
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
15 Jun 2018
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
16 Jun 2017
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
17 Jun 2016
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
12 Jun 2015
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
18 Jun 2014
11-K
Annual report (employee stock purchase/savings/profit sharing plans)
14 Jun 2013
Proxies
(77)
Expand
ARS
Annual report to security holders
1 Apr
DEFA14A
Definitive additional materials
1 Apr
DEF 14A
Definitive proxy statement
1 Apr
ARS
Annual report to security holders
3 Apr 2025
DEFA14A
Definitive additional materials
3 Apr 2025
DEF 14A
Definitive proxy statement
3 Apr 2025
DEFA14A
Definitive additional materials
29 Apr 2024
ARS
MDUR 2023 ANNUAL REPORT
29 Mar 2024
DEFA14A
Definitive additional materials
29 Mar 2024
DEF 14A
Definitive proxy statement
29 Mar 2024
DEF 14A
Definitive proxy statement
24 Mar 2023
ARS
MDUR 2022 ANNUAL REPORT
24 Mar 2023
DEFA14A
Definitive additional materials
24 Mar 2023
DEF 14A
MDU RESOURCES GROUP, INC. 2022 PROXY STATEMENT
25 Mar 2022
DEFA14A
Definitive additional materials
25 Mar 2022
Registrations
(116)
Expand
S-8
Registration statement (employee benefit plan)
6 Aug
S-8
Registration statement (employee benefit plan)
6 Aug
424B5
Prospectus filing (Rule 424(b)(5))
4 Dec 2025
424B5
Prospectus filing (Rule 424(b)(5))
3 Dec 2025
S-3ASR
Automatic shelf registration statement (S-3)
7 Aug 2025
424B5
Prospectus filing (Rule 424(b)(5))
7 Aug 2025
S-8
Registration statement (employee benefit plan)
23 Feb 2024
S-3ASR
Automatic shelf registration statement (S-3)
14 Aug 2020
S-8
Registration statement (employee benefit plan)
18 Nov 2019
424B5
Prospectus filing (Rule 424(b)(5))
22 Feb 2019
15-12B
Notice of suspension of duty to file (Section 12(b))
14 Jan 2019
25-NSE
Notification of removal from listing
2 Jan 2019
S-8 POS
Post-effective amendment (employee benefit plan)
2 Jan 2019
S-8 POS
Post-effective amendment (employee benefit plan)
2 Jan 2019
S-8 POS
Post-effective amendment (employee benefit plan)
2 Jan 2019
Filing Review Correspondence
(13)
Expand
CORRESP
Filing review correspondence
16 May 2022
CORRESP
Filing review correspondence
26 Apr 2022
UPLOAD
Filing review upload
23 Aug 2013
CORRESP
Filing review correspondence
6 Aug 2013
CORRESP
Filing review correspondence
24 Jul 2013
UPLOAD
Filing review upload
11 Jul 2013
CORRESP
Filing review correspondence
17 Jun 2013
CORRESP
Filing review correspondence
13 May 2013
CORRESP
Filing review correspondence
17 Apr 2013
UPLOAD
Filing review upload
15 Apr 2013
UPLOAD
Filing review upload
15 Apr 2009
CORRESP
Filing review correspondence
9 Apr 2009
UPLOAD
Filing review upload
31 Mar 2009
Other
(15)
Expand
SD
SD
30 May 2025
SD
SD
22 May 2024
SD
SD
24 May 2023
SD
SD
25 May 2022
SD
SD
27 May 2021
SD
SD
26 May 2020
SD
SD
30 May 2019
8-K12B
8-K12B
2 Jan 2019
SD
SD
31 May 2018
SD
SD
25 May 2017
SD
SD
26 May 2016
SD
SPECIALIZED DISCLOSURE REPORT
28 May 2015
SD
SD
30 May 2014
NO ACT
AUTO-GENERATED PAPER DOCUMENT
13 Jan 2011
NO ACT
AUTO-GENERATED PAPER DOCUMENT
19 Jan 2010
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