Mahowald Douglass A
Related Filers (1)
MDU RESOURCES GROUP INC (2)
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Ownership (5)
4
Monday, 2/24/2014
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/21/2014
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, 12/1/2010
MDU RESOURCES GROUP INC: Statement of changes in beneficial ownership of securities
3
Tuesday, 2/23/2010
MDU RESOURCES GROUP INC: Initial statement of beneficial ownership of securities
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