4 | SEC Filings Hub

Filing metadata

Accession number: 0001140361-11-029730
Form type: Form 4
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: May 25, 2011
Reporting period: May 23, 2011
Description: Insider transaction

Documents

0001140361-11-029730-index.htm

Complete submission

0001140361-11-029730.txt

directory listing

Filed by

MDU RESOURCES GROUP INC