798 filings
Page 20 of 40
8-K
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1 May 12
MDU Resources Reports First Quarter Earnings, Reaffirms 2012 Earnings Guidance
12:00am
8-K
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27 Apr 12
Submission of Matters to a Vote of Security Holders
12:00am
8-K
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18 Apr 12
Results of Operations and Financial Condition
12:00am
ARS
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9 Mar 12
Annual report to shareholders
12:00am
8-K
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6 Mar 12
Departure of Directors or Certain Officers
12:00am
8-K
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2 Feb 12
MDU Resources Reports 2011 Results, Initiates Guidance for 2012
12:00am
8-K
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21 Dec 11
Other Events
12:00am
S-8 POS
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16 Dec 11
Registration of securities for employees (post-effective amendment)
12:00am
S-8 POS
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16 Dec 11
Registration of securities for employees (post-effective amendment)
12:00am
8-K
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21 Nov 11
Amendments to Articles of Incorporation or Bylaws
12:00am
S-3ASR
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18 Nov 11
Automatic shelf registration
12:00am
8-K
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1 Nov 11
MDU Resources Reports Third Quarter Earnings
12:00am
8-K
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17 Oct 11
Results of Operations and Financial Condition
12:00am
UPLOAD
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3 Oct 11
Letter from SEC
12:00am
CORRESP
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29 Sep 11
Correspondence with SEC
12:00am
CORRESP
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2 Sep 11
Correspondence with SEC
12:00am