LEE HELEN HEYOUNG

Related Filers (1)

Ownership (3)

4
Tuesday, 10/14/2003
COGENT COMMUNICATIONS GROUP INC: Statement of changes in beneficial ownership of securities
4
Monday, 8/4/2003
COGENT COMMUNICATIONS GROUP INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 3/13/2002
COGENT COMMUNICATIONS GROUP INC: Initial statement of beneficial ownership of securities
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