YORK STEVE M

Related Filers (1)

Ownership (4)

4
Thursday, 2/19/2004
ZIX CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/13/2004
ZIX CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/17/2003
ZIX CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/5/2003
ZIX CORP: Statement of changes in beneficial ownership of securities
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