ZIX CORP Form 10-K: Annual report

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

2021-03-05: Form 10-K; Period of report 2020-12-31; Description 10-K; Document zixi-10k_20201231.htm.
2020-03-09: Form 10-K; Period of report 2019-12-31; Description 10-K; Document zixi-10k_20191231.htm.
2019-03-08: Form 10-K; Period of report 2018-12-31; Description 10-K; Document zixi-10k_20181231.htm.
2018-03-07: Form 10-K; Period of report 2017-12-31; Description 10-K; Document zixi-10k_20171231.htm.

Filed	Form	Period of report	Description	Document
2021-03-05	10-K	2020-12-31	10-K	zixi-10k_20201231.htm
2020-03-09	10-K	2019-12-31	10-K	zixi-10k_20191231.htm
2019-03-08	10-K	2018-12-31	10-K	zixi-10k_20181231.htm
2018-03-07	10-K	2017-12-31	10-K	zixi-10k_20171231.htm
2017-03-06	10-K	2016-12-31	ZIXI-10K-20161231	zixi-10k_20161231.htm
2016-03-10	10-K	2015-12-31	10-K	zixi-10k_20151231.htm
2015-03-11	10-K	2014-12-31	FORM 10-K	d851543d10k.htm
2014-03-12	10-K	2013-12-31	10-K	d635186d10k.htm
2013-03-13	10-K	2012-12-31	FORM 10-K	d445027d10k.htm
2012-03-09	10-K	2011-12-31	FORM 10-K	d279168d10k.htm
2011-03-10	10-K	2010-12-31	FORM 10-K	d80465e10vk.htm
2010-03-15	10-K	2009-12-31	FORM 10-K	d71531e10vk.htm
2009-03-04	10-K	2008-12-31	FORM 10-K	d65986e10vk.htm
2008-03-14	10-K	2007-12-31	FORM 10-K	d54928e10vk.htm
2007-03-21	10-K	2006-12-31	FORM 10-K	d44541e10vk.htm
2006-03-14	10-K	2005-12-31	FORM 10-K	d33909e10vk.htm
2005-03-30	10-K	2004-12-31	FORM 10-K	d23151e10vk.htm
2004-03-15	10-K	2003-12-31	FORM 10-K	d13228e10vk.htm
2003-03-21	10-K	2002-12-31	FORM 10-K	d03880e10vk.txt
1999-03-30	10-K	1998-12-31	FORM 10-K