798 filings
Page 23 of 40
8-K
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18 Feb 10
Departure of Directors or Certain Officers
12:00am
8-K
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1 Feb 10
Results of Operations and Financial Condition
12:00am
NO ACT
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19 Jan 10
No action letter
12:00am
8-K
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19 Jan 10
Departure of Directors or Certain Officers
12:00am
8-K
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7 Jan 10
Departure of Directors or Certain Officers
12:00am
8-K
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17 Nov 09
Departure of Directors or Certain Officers
12:00am
8-K
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30 Oct 09
MDU Resources Reports Third Quarter Earnings and Increases Earnings Guidance
12:00am
8-K
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17 Aug 09
Press Release Announcing Retirement of John L. Olson
12:00am
8-K
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3 Aug 09
MDU Resources Reports Second Quarter Earnings and Reaffirms Earnings Guidance
12:00am
424B3
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19 Jun 09
Prospectus supplement
12:00am
11-K
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16 Jun 09
Annual report of employee stock purchases
12:00am
8-K
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1 May 09
MDU Resources Reports First Quarter 2009 Results and Reaffirms 2009 Earnings Guidance
12:00am
UPLOAD
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15 Apr 09
Letter from SEC
12:00am
S-8
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14 Apr 09
Registration of securities for employees
12:00am
CORRESP
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9 Apr 09
Correspondence with SEC
12:00am