SEC Filings

SEC Filings

Other Filings
Filing Description Filing Type Filing Date Event Date  
8-K 8-K 11/21/2018 11/20/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Regulation FD Disclosure and Financial Statements and Exhibits.
8-K 8-K 11/15/2018 11/15/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers and Financial Statements and Exhibits.
10-Q 10-Q 11/2/2018 9/30/2018
8-K 8-K 11/1/2018 10/31/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Results of Operations and Financial Condition; Regulation FD Disclosure; and Financial Statements and Exhibits.
8-K 8-K 8/16/2018 8/16/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers and Financial Statements and Exhibits.
10-Q 10-Q 8/3/2018 6/30/2018
8-K 8-K 7/31/2018 7/31/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Results of Operations and Financial Condition; Regulation FD Disclosure; and Financial Statements and Exhibits.
Misc SD 5/31/2018
8-K 8-K 5/9/2018 5/8/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Submission of Matters to a Vote of Security Holder.
10-Q 10-Q 5/4/2018 3/31/2018
8-K 8-K 5/3/2018 5/2/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Results of Operations and Financial Condition; Regulation FD Disclosure; and Financial Statements and Exhibits.
Proxy DEF 14A 3/23/2018 5/8/2018
Proxy DEFA14A 3/23/2018
8-K 8-K 3/1/2018 3/1/2018
Abstract: On March 1, Montana-Dakota Utilities Co., a division of the registrant, announced that it signed an agreement to purchase a North Dakota wind farm expansion to be developed by ALLETE Clean Energy, a subsidiary of ALLETE Inc.
10-K 10-K 2/23/2018 12/31/2017
8-K 8-K 2/21/2018 2/14/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers and Financial Statements and Exhibits.
13-D SC 13G 2/14/2018
13-D SC 13G/A 2/12/2018
13-D SC 13G/A 2/9/2018
8-K 8-K 2/7/2018 2/6/2018
Abstract: 8-K filed by MDU Resources Group Inc. (MDU) covering Results of Operations and Financial Condition; Regulation FD Disclosure; and Financial Statements and Exhibits.

Displaying 1 to 20 (of 257 filings)