Levine Arthur E
Related Filers (1)
BLACKBOARD INC (1)
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Ownership (5)
4
Wednesday, 7/5/2006
BLACKBOARD INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/16/2006
BLACKBOARD INC: Statement of changes in beneficial ownership of securities
5
Wednesday, 2/8/2006
BLACKBOARD INC: Annual statement of changes in beneficial ownership of securities
4
Tuesday, 6/29/2004
BLACKBOARD INC: Statement of changes in beneficial ownership of securities
3
Thursday, 6/17/2004
BLACKBOARD INC: Initial statement of beneficial ownership of securities
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