MDU RESOURCES 2015 FORM 10-K

Company

MDU RESOURCES GROUP INC

Filed

February 19, 2016

Period of Report

December 31, 2015

Accession Number

0000067716-16-000116

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →