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ZIX CORP Form SC 13D: Beneficial ownership report (active)

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ZIX CORP Form SC 13D: Beneficial ownership report (active)

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

  • 2021-12-23: Form SC 13D/A; Description SC 13D/A; Document d234682dsc13da.htm.
  • 2021-12-23: Form SC 13D/A; Description SC TO-T/A; Document d249157dsctota.htm.
  • 2021-11-29: Form SC 13D/A; Description SC 13D/A; Document d196842dsc13da.htm.
  • 2021-11-17: Form SC 13D; Description SC 13D; Document d222265dsc13d.htm.
FiledFormPeriod of reportDescriptionDocument
2021-12-23SC 13D/ASC 13D/Ad234682dsc13da.htm
2021-12-23SC 13D/ASC TO-T/Ad249157dsctota.htm
2021-11-29SC 13D/ASC 13D/Ad196842dsc13da.htm
2021-11-17SC 13DSC 13Dd222265dsc13d.htm
2021-11-09SC 13D/ASC 13D/Ad230438dsc13da.htm
2021-09-20SC 13D/ASC 13D/Ad193872dsc13da.htm
2021-06-21SC 13D/ASC 13D/Ad519428dsc13da.htm
2021-03-17SC 13D/ASC 13D/Ad159373dsc13da.htm
2021-01-13SC 13D/ASC 13D/Ad102238dsc13da.htm
2020-10-22SC 13D/ASC 13D/Ad85512dsc13da.htm
2020-06-30SC 13D/ASC 13D/Ad947810dsc13da.htm
2020-03-25SC 13D/ASC 13D/Ad902965dsc13da.htm
2020-01-02SC 13D/ASC 13D/Ad858680dsc13da.htm
2019-09-12SC 13D/ASC 13D/Ad719943dsc13da.htm
2019-06-07SC 13D/ASC 13D/Ad760379dsc13da.htm
2019-02-22SC 13DSC 13Dd666208dsc13d.htm
2013-04-10SC 13D/ABeneficial ownership report (active)sc13da709020002_04052013.htm
2013-02-06SC 13D/ABeneficial ownership report (active)sc13da609020002_01312013.htm
2013-01-03SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da509020002_12282012.htm
2012-11-20SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da409020002_11192012.htm
2012-11-15SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da309020002_1132012.htm
2012-11-08SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da209020002_11052012.htm
2012-10-25SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da109020002a_10242012.htm
2012-10-24SC 13D/AAMENDMENT TO SCHEDULE 13Dsc13da109020002_10242012.htm
2012-05-07SC 13DSCHEDULE 13Dd348503dsc13d.htm
2008-06-13SC 13D/AAMENDMENT TO SCHEDULE 13Dd57664sc13dza.htm
2005-08-11SC 13D/AAMENDMENT TO SCHEDULE 13Dd27935sc13dza.htm
2004-05-17SC 13D/AAMENDMENT TO SCHEDULE 13Dd15579asc13dza.htm
2003-01-22SC 13D/ASCHEDULE 13Dsch13dazix-030115.txt
2002-10-01SC 13D/ASCHEDULE 13Dsch13dzix020918.txt
2002-09-20SC 13D/ASC 13D/Aa2089890zsc13da.txt
2002-08-21SC 13DSCHEDULE 13-Dzixit13d-020802.txt
2002-07-09SC 13DSCHEDULE 13Dzixit13d020603.txt
2001-01-30SC 13D/ASC 13D/Aa2036654zsc13da.txt
2000-05-03SC 13D/AAMENDMENT NO. 7 TO SCHEDULE 13D
2000-03-03SC 13D/ASCHEDULE 13D/A - AMENDMENT #6
1999-12-03SC 13D/ASCHEDULE 13D/A AMENDMENT NO. 5
1999-09-02SC 13D/ASCHEDULE 13D/A AMENDMENT NO. 4
1999-06-03SC 13D/AAMDMNT 3 TO SCHEDULE 13D
1999-04-09SC 13D/ASCHEDULE 13D
1999-03-02SC 13D/ASCHEDULE 13D/A AMENDMENT NO. 2
1999-02-10SC 13D/ASC 13D/A
1998-12-03SC 13D/ASCHEDULE 13D/A AMENDMENT NO. 1
1998-09-04SC 13DSCHEDULE 13D
1998-09-02SC 13DSCHEDULE 13D FILED FOR AMTECH CORPORATION
1998-06-19SC 13D/ASC 13D/A
1998-05-21SC 13DSCHEDULE 13D
1998-04-17SC 13D/ASC 13D/A
1997-11-13SC 13DSCHED 13D
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