COOK DAVID P /
Related Filers (1)
Ownership (11)
4
Wednesday, 4/13/2011
ZIX CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/13/2010
ZIX CORP: Statement of changes in beneficial ownership of securities
3
Wednesday, 8/5/2009
ZIX CORP: Initial statement of beneficial ownership of securities
SC 13D/A
Wednesday, 5/3/2000
ZIXIT CORP: Major Shareholders
SC 13D/A
Friday, 3/3/2000
ZIXIT CORP: Major Shareholders
SC 13D/A
Friday, 12/3/1999
ZIXIT CORP: Major Shareholders
SC 13D/A
Thursday, 9/2/1999
CUSTOMTRACKS CORP /TX/: Major Shareholders
SC 13D/A
Thursday, 6/3/1999
CUSTOMTRACKS CORP /TX/: Major Shareholders
SC 13D/A
Tuesday, 3/2/1999
CUSTOMTRACKS CORP /TX/: Major Shareholders
SC 13D/A
Thursday, 12/3/1998
CUSTOMTRACKS CORP /TX/: Major Shareholders
SC 13D
Friday, 9/4/1998
AMTECH CORP: Major Shareholders