MDU RESOURCES GROUP INC (CIK: 0000067716) EDGAR, Information, Filings... CompaniesBIO.Com

MDU RESOURCES GROUP INC

Mailing address
1200 WEST CENTURY AVENUE, BISMARCK, ND, 58503
Phone
701-530-1000
State location
North Dakota
State of incorporation
N/A
Fiscal year end
December 31
SIC
1400 - (CF Office: Office of Energy & Transportation) MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
Filings
N/A

MDU RESOURCES GROUP INC (CIK: 0000067716) is an American company incorporated in the state of North Dakota. Head office is located at 1200 WEST CENTURY AVENUE, BISMARCK, North Dakota, 58503. Work in the industry 1400 - (CF Office: Office of Energy & Transportation) MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS). MDU RESOURCES GROUP INC is a public company and trade via Over-The-Counter (OTC).

Owner	Filings	Transaction Date	Type of Owner
Sanderson Paul R.	0001978553	Jun-01-2023	officer: VP, CLO & Secretary
Johnson Rob L.	0001979103	Jun-01-2023	officer: President-WBI Holdings
Gemmel James H.	0001964216	May-09-2023	director
Gray Brian R.	0001966900	Mar-01-2023	officer: President & CEO-Knife River
Carmona-Alvarez German	0001954052	Nov-17-2022	director
Rosenthal Dale	0001620924	May-11-2021	director
Liepitz Karl A	0001840120	Feb-06-2021	officer: VP, Gen Counsel & Secretary
Wang Chenxi	0001776131	May-07-2019	director
Ryan Edward A	0001379264	Nov-15-2018	director
SPARBY DAVID M	0001159192	Aug-16-2018	director
Hastings Trevor J	0001719997	Oct-16-2017	officer: President & CEO-WBI Holdings
Barth Stephanie A	0001718179	Sep-30-2017	officer: VP, CAO & Controller
Link Margaret A	0001692980	Jan-01-2017	officer: Chief Information Officer
Kuntz Daniel S	0001661982	Jan-09-2016	officer: General Counsel and Secretary
Jones Anne M	0001662841	Jan-01-2016	officer: VP - Human Resources
FRITZ MARTIN A	0001359668	Jul-20-2015	officer: Pres. & CEO-WBI Holdings, Inc.
O'Bryan Patrick L	0001635143	Mar-01-2015	officer: President & CEO - Fidelity E&P
Vollmer Jason L	0001626019	Feb-17-2015	officer: Treasurer & Director of Cash
Ring Nathan W	0001596125	Jan-03-2014	officer: VP, Controller & CAO
HELLERSTEIN MARK A	0001198283	Aug-01-2013	director
MCCRACKEN WILLIAM E	0001260579	Aug-01-2013	director
Haider Dennis L	0001578627	Jun-01-2013	officer: EVP-Busines Development
Barney David C	0001577222	May-16-2013	officer: President & CEO - Knife River
Thiede Jeffrey S	0001577239	May-16-2013	officer: Pres. & CEO-MDU Constr.Serv.
Morehouse Kenneth Frank	0001566169	Jan-04-2013	officer: President & CEO-Montana-Dakota
WELLS JAMES KENT	0001519800	May-02-2011	officer: President & CEO-Fidelity E&P
Mahowald Douglass A	0001484862	Feb-17-2010	officer: Treasurer & Asst. Secretary
Knudson Thomas C	0001293755	Nov-01-2008	director
Holaday A Bart	0001449564	Nov-01-2008	director
Connors William R	0001444439	Sep-01-2008	officer: VP - Renewable Resources
Goodin David L	0001428704	Mar-01-2008	officer: President-Montana-Dakota
Del Vecchio Mark A	0001414288	Oct-01-2007	officer: VP - Human Resources
Stumpf John P	0001382533	Dec-01-2006	officer: VP - Strategic Planning
Harp John G	0001381885	Nov-16-2006	officer: President and CEO
Bietz Steven L	0001355208	Mar-04-2006	officer: Pres. & CEO - WBI Hold., Inc.
Schwartz Doran N	0001355229	Mar-01-2006	officer: VP and CAO
Moylan Daniel B	0001349308	Jan-10-2006	officer: Chief Accounting Officer
Kivisto Nicole A	0001345938	Dec-01-2005	officer: Controller
LEWIS RICHARD H	0001228526	Nov-17-2005	director
Fagg Karen B	0001345449	Nov-17-2005	director
Schneider William E	0001323703	May-01-2005	officer: President and CEO, Knife River
Imsdahl Bruce T	0001309550	Nov-11-2004	officer: President and CEO
Gatzemeier Paul	0001303281	Sep-20-2004	officer: Vice President and General Man
OLSON JOHN L	0001195492	May-04-2004	director
WELDER SISTER THOMAS	0001195499	May-04-2004	director
SANDNESS PAUL K	0001285204	Apr-06-2004	officer: General Counsel and Secretary
CHRISTOPHERSON CATHLEEN M	0001195506	Feb-12-2004	officer: Vice President - Corporate Com
CASTLEBERRY JOHN K	0001195517	Feb-12-2004	other: Pres. & CEO of WBI Hold., Inc.
HILDESTAD TERRY D	0001195523	Feb-12-2004	officer: President and CEO, Knife River
WILSON FLOYD E	0001253394	Feb-12-2004	officer: VP, Strat.Plan.&Corp.Develop.
NORLAND CYNTHIA J	0001275435	Jan-03-2004	officer: Acting Gen.Counsel & Act.Sec.
SPLICHAL DARYL A	0001274359	Jan-01-2004	officer: Treasurer
ALBERTSON BRUCE R	0001195485	Dec-31-2003	director
JOHNSON DENNIS W	0001195487	Dec-31-2003	director
SCOTT HOMER A JR	0001195494	Dec-31-2003	director
MOSS PATRICIA L	0001190817	Nov-13-2003	director
LOBLE LESTER H II	0001195510	Aug-28-2003	officer: EVP, Gen. Counsel & Secretary
RAILE VERNON A	0001195511	Aug-27-2003	officer: VP, Controller & CAO
TIPTON RONALD D	0001195519	Aug-21-2003	officer: CEO - Montana-Dakota Utilities
ROBINSON WARREN L	0001195507	Aug-18-2003	officer: EVP, Treasurer & CFO
WILSON JOHN K	0001255597	Aug-13-2003	director
WOOD ROBERT E	0001195513	Jul-18-2003	officer: VP, Public Affairs & Env.Pol.
REDDING CINDY C	0001253392	Jul-01-2003	officer: VP, Human Resources
PEARCE HARRY J	0001181762	Jun-30-2003	director
EVERIST THOMAS S	0001188880	Jun-30-2003	director
NANCE ROBERT L	0001195488	Jun-30-2003	director
WHITE MARTIN A	0001195503	May-23-2003	director, officer: Chairman, President and CEO

Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by MDU RESOURCES GROUP INC

Filings	Format	Description	Filed/Effective	File/Film Number
SCHEDULE 13G	Document	Acc-no: 0000313028-26-000040 (34 Act) Size: KB	Aug-12-2026	005-35797 261267015
S-8	Document	Initial registration statement for securities to be offered to employees pursuant to employee benefit plans Acc-no: 0000067716-26-000076 (33 Act) Size: KB	Aug-06-2026	333-298072 261249963
S-8	Document	Initial registration statement for securities to be offered to employees pursuant to employee benefit plans Acc-no: 0000067716-26-000075 (33 Act) Size: KB	Aug-06-2026	333-298066 261249798
10-Q	Document	Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0000067716-26-000072 (34 Act) Size: KB	Aug-06-2026	001-03480 261249446
8-K	Document	Current report filing Acc-no: 0000067716-26-000064 (34 Act) Size: KB	Aug-06-2026	001-03480 261246258
SCHEDULE 13G/A	Document	Acc-no: 0000354204-26-000843 (34 Act) Size: KB	Jul-14-2026	005-35797 261173662
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001225208-26-006307 ( Act) Size: 0 KB	Jul-01-2026
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001225208-26-006306 ( Act) Size: 0 KB	Jul-01-2026
11-K	Document	Annual report of employee stock purchase, savings and similar plans Acc-no: 0000067716-26-000059 (34 Act) Size: KB	Jun-18-2026	001-03480 261102405
8-K	Document	Current report filing Acc-no: 0000067716-26-000054 (34 Act) Size: KB	May-13-2026	001-03480 26973148
SCHEDULE 13G	Document	Acc-no: 0000313028-26-000033 (34 Act) Size: KB	May-13-2026	005-35797 26972863
10-Q	Document	Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0000067716-26-000050 (34 Act) Size: KB	May-07-2026	001-03480 26954841
8-K	Document	Current report filing Acc-no: 0000067716-26-000045 (34 Act) Size: KB	May-07-2026	001-03480 26951058
SCHEDULE 13G	Document	Acc-no: 0002100119-26-000863 (34 Act) Size: KB	Apr-30-2026	005-35797 26921735
SCHEDULE 13G	Document	Acc-no: 0002100121-26-000489 (34 Act) Size: KB	Apr-29-2026	005-35797 26914007
SCHEDULE 13G	Document	Acc-no: 0000354204-26-000563 (34 Act) Size: KB	Apr-09-2026	005-35797 26850886
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001225208-26-004136 ( Act) Size: 0 KB	Apr-01-2026
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001225208-26-004135 ( Act) Size: 0 KB	Apr-01-2026
ARS	Document	Annual report to security holders Acc-no: 0000067716-26-000042 (34 Act) Size: KB	Apr-01-2026	001-03480 26824814
DEFA14A	Document	Additional definitive proxy solicitation materials Acc-no: 0000067716-26-000041 (34 Act) Size: KB	Apr-01-2026	001-03480 26824807

Recent 20 filings. View all MDU RESOURCES GROUP INC filings

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Disclaimer: The information on the Service is provided with the understanding that the Company is not herein engaged in rendering legal, accounting, tax, or other professional advice and services. As such, it should not be used as a substitute for consultation with professional accounting, tax, legal or other competent advisers.