WELDER SISTER THOMAS
Related Filers (1)
Ownership (6)
4
Wednesday, 5/20/2009
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/30/2008
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Monday, 4/30/2007
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/1/2006
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/3/2005
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/6/2004
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities