Katz William

Related Filers (1)

Ownership (12)

4
Wednesday, 7/22/2015
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/23/2014
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2013
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/7/2013
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/26/2012
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/28/2011
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 8/27/2010
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/22/2010
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/4/2009
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 3/24/2009
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 6/16/2008
COMSCORE, INC.: Statement of changes in beneficial ownership of securities
3
Friday, 6/13/2008
COMSCORE, INC.: Initial statement of beneficial ownership of securities
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