Document Details

Document Details

Filing Type

11-K (SEC's EDGAR System)

Company MDU Resources Group, Inc. (Bismarck, ND)
Event Date 12/31/2017
Filing Date 6/15/2018

Abstract: Registrant filed the annual report for its 401(k) retirement plan.
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File Section(s)

  1. MDU RESOURCES FORM 11-K
  2. CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Note: This document was filed with the SEC in HTML format, as allowed by the recent EDGAR system modernization. S&P cannot take responsibility for its appearance, layout, or legibility.