Bietz Steven L
Related Filers (1)
Ownership (13)
4/A
Monday, 12/29/2014
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/20/2014
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/18/2014
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/8/2013
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/17/2010
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/16/2010
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/11/2009
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/20/2009
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/17/2009
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/19/2008
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/8/2007
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/20/2007
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
3
Monday, 3/6/2006
MDU RESOURCES GROUP INC: Initial statement of beneficial ownership of securities