THOMASON DONALD W
Related Filers (2)
Ownership (19)
4
Friday, 11/9/2007
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/8/2007
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/27/2006
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/23/2006
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/30/2005
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/21/2004
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/3/2004
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/22/2003
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2003
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
5
Friday, 1/10/2003
SEMCO ENERGY INC: Annual statement of changes in beneficial ownership of securities
5
Friday, 2/8/2002
SEMCO ENERGY INC: Annual statement of changes in beneficial ownership of securities
5
Friday, 2/2/2001
SEMCO ENERGY INC: Annual statement of changes in beneficial ownership of securities
3
Wednesday, 2/9/2000
TRIPLE S PLASTICS INC: Initial statement of beneficial ownership of securities
4
Tuesday, 11/9/1999
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Thursday, 9/9/1999
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/9/1999
SEMCO ENERGY INC: Statement of changes in beneficial ownership of securities
5
Friday, 2/12/1999
SEMCO ENERGY INC: Annual statement of changes in beneficial ownership of securities
5
Thursday, 2/12/1998
SEMCO ENERGY INC: Annual statement of changes in beneficial ownership of securities
4
Friday, 3/8/1996
SOUTHEASTERN MICHIGAN GAS ENTERPRISES INC: Statement of changes in beneficial ownership of securities