| Filed On | Filing |
|---|---|
| 23 Feb 2024 | FORM S-8 |
| 18 Nov 2019 | S-8 |
| 22 Jul 2016 | S-8 |
| 26 Aug 2014 | S-8 |
| 14 Apr 2009 | FORM S-8 |
| 07 Dec 2006 | S-8 |
| 27 Aug 2004 | FORM S-8 |
| 15 Apr 2004 | FORM S-8 |
| 21 Jan 2004 | FORM S-8 |
| 25 Mar 2002 | FORM S-8 - REGISTRATION STATEMENT |
| 01 Oct 2001 | FORM S-8 |
| 13 Jun 2001 | FORM S-8 |
| 24 Mar 2000 | FORM S-8 |
| 24 Mar 2000 | FORM S-8 |
| 18 Feb 1999 | FORM S-8 |
| 28 May 1997 | FORM S-8 OF MDU RESOURCES GROUP, INC. |
| 28 May 1997 | FORM S-8 OF MDU RESOURCES GROUP, INC. |
| 17 Jun 1996 | FORM S-8 DEFERRED COMP SAVINGS PLAN |
| 17 Jun 1996 | FORM S-8 DEFD COMP COLL BARGAIN'G UNIT EMPLOYEES |
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