04/01/2024
5:27 PM | MDU Resources Group (Issuer)
SPARBY DAVID M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/29/2024
9:12 AM | MDU Resources Group (Filer)
| Form DEFA14A | |
03/29/2024
9:20 AM | MDU Resources Group (Filer)
| Form ARS | |
03/29/2024
9:07 AM | MDU Resources Group (Filer)
| Form DEF 14A | |
03/18/2024
7:14 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/13/2024
4:31 PM | MDU Resources Group (Issuer)
Rosenthal Dale (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/13/2024
7:32 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
|
02/26/2024
8:18 AM | Jones Anne M (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:19 PM | MDU Resources Group (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
02/22/2024
4:28 PM | MDU Resources Group (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/21/2024
2:35 PM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/16/2024
4:20 PM | Goodin David L (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | MDU Resources Group (Issuer)
Vollmer Jason L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | Link Margaret A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | MDU Resources Group (Issuer)
Sievert Stephanie A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | Jones Anne M (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | MDU Resources Group (Issuer)
Sanderson Paul R. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | MDU Resources Group (Issuer)
Thiede Jeffrey S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | Kivisto Nicole A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | Johnson Rob L. (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/16/2024
4:20 PM | MDU Resources Group (Issuer)
Senger Garret (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2024
7:33 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/24/2024
4:23 PM | BlackRock Inc. (Filed by)
MDU Resources Group (Subject)
| Form SC 13G/A | |
01/23/2024
9:07 AM | MDU Resources Group (Subject)
STATE STREET CORP (Filed by)
| Form SC 13G/A | |
01/09/2024
1:13 PM | MDU Resources Group (Issuer)
Senger Garret (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
11/17/2023
3:57 PM | MDU Resources Group (Issuer)
Ryan Edward A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
3:57 PM | MDU Resources Group (Issuer)
Wang Chenxi (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
3:57 PM | MDU Resources Group (Issuer)
SPARBY DAVID M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
2:36 PM | ANDERSON DARREL T (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
2:37 PM | JOHNSON DENNIS W (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
2:42 PM | Gemmel James H. (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
2:44 PM | MDU Resources Group (Issuer)
Rosenthal Dale (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
9:02 AM | ANDERSON DARREL T (Reporting)
MDU Resources Group (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
11/17/2023
7:33 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/13/2023
10:42 AM | Knife River Corp (Issuer)
MDU Resources Group (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/02/2023
3:43 PM | MDU Resources Group (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/02/2023
7:35 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/02/2023
7:36 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/03/2023
7:32 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/03/2023
7:34 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/12/2023
3:05 PM | Johnson Rob L. (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
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07/12/2023
3:06 PM | MDU Resources Group (Issuer)
Sanderson Paul R. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/10/2023
4:08 PM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/21/2023
1:49 PM | MDU Resources Group (Filer)
| Form 11-K
Annual reports of employee stock purchase, savings and similar plans pursuant to Section 15(d) | |
06/02/2023
5:26 PM | Knife River Corp (Issuer)
MDU Resources Group (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
4:30 PM | MDU Resources Group (Issuer)
Sanderson Paul R. (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
06/01/2023
11:54 AM | Barth Stephanie A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:02 PM | Johnson Rob L. (Reporting)
MDU Resources Group (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
06/01/2023
12:13 PM | Link Margaret A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:19 PM | MDU Resources Group (Issuer)
Vollmer Jason L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:22 PM | Liepitz Karl A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:23 PM | Hastings Trevor J (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:23 PM | Jones Anne M (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:24 PM | Kivisto Nicole A (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
12:24 PM | MDU Resources Group (Issuer)
Thiede Jeffrey S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
11:47 AM | Goodin David L (Reporting)
MDU Resources Group (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2023
7:49 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/24/2023
2:33 PM | MDU Resources Group (Filer)
| Form SD
Specialized Disclosure Report | |
05/12/2023
3:22 PM | Corvex Management LP (Filed by)
MDU Resources Group (Subject)
| Form SC 13D/A | |
05/12/2023
7:57 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/11/2023
3:36 PM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/10/2023
4:41 PM | Knife River Holding Co (Issuer)
MDU Resources Group (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
05/04/2023
7:43 AM | MDU Resources Group (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/04/2023
7:31 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/04/2023
7:28 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/04/2023
7:30 AM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/25/2023
3:39 PM | MDU Resources Group (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/24/2023
4:30 PM | Corvex Management LP (Filed by)
MDU Resources Group (Subject)
| Form SC 13D/A | |
