ZIX CORP

CUSIP: 98974P100 Class: COM

MARTIN & CO INC /TN/'s Holding History (CIK: 0001008868)

Note: Option positions (PUT/CALL) are excluded.

Q3 2021
Shares 396,645 Value ($000) $2,804 Avg Close — Range —
Q2 2021
Shares 386,744 Value ($000) $2,727 Avg Close — Range —
Q1 2021
Shares 273,492 Value ($000) $2,065 Avg Close — Range —
Q4 2020
Shares 281,089 Value ($000) $2,426 Avg Close — Range —
Q3 2020
Shares 280,579 Value ($000) $1,639 Avg Close — Range —
Q2 2020
Shares 280,519 Value ($000) $1,936 Avg Close — Range —
Q1 2020
Shares 274,262 Value ($000) $1,182 Avg Close — Range —
Q4 2019
Shares 263,162 Value ($000) $1,784 Avg Close — Range —
Q3 2019
Shares 259,537 Value ($000) $1,879 Avg Close — Range —
Q2 2019
Shares 258,522 Value ($000) $2,350 Avg Close — Range —
Q1 2019
Shares 259,462 Value ($000) $1,785 Avg Close — Range —
Q4 2018
Shares 343,145 Value ($000) $1,966 Avg Close — Range —
Q3 2018
Shares 340,295 Value ($000) $1,889 Avg Close — Range —
Q2 2018
Shares 342,790 Value ($000) $1,848 Avg Close — Range —
Q1 2018
Shares 343,046 Value ($000) $1,465 Avg Close — Range —
Q4 2017
Shares 261,465 Value ($000) $1,145 Avg Close — Range —
Q3 2017
Shares 244,005 Value ($000) $1,193 Avg Close — Range —
Q2 2017
Shares 266,700 Value ($000) $1,518 Avg Close — Range —
Q1 2017
Shares 264,700 Value ($000) $1,273 Avg Close — Range —
Q4 2016
Shares 160,710 Value ($000) $794 Avg Close — Range —
Q3 2016
Shares 160,710 Value ($000) $659 Avg Close — Range —
Q2 2016
Shares 156,710 Value ($000) $588 Avg Close — Range —
Q1 2016
Shares 159,360 Value ($000) $626 Avg Close — Range —
Q4 2015
Shares 91,703 Value ($000) $466 Avg Close — Range —
Q3 2015
Shares 91,703 Value ($000) $386 Avg Close — Range —
Q2 2015
Shares 85,700 Value ($000) $443 Avg Close — Range —
Q1 2015
Shares 85,100 Value ($000) $334 Avg Close — Range —
Q4 2014
Shares 85,100 Value ($000) $306 Avg Close — Range —
Q3 2014
Shares 83,100 Value ($000) $284 Avg Close — Range —
Q2 2014
Shares 82,200 Value ($000) $281 Avg Close — Range —
Q1 2014
Shares 79,900 Value ($000) $331 Avg Close — Range —
Q4 2013
Shares 79,900 Value ($000) $364 Avg Close — Range —
Q3 2013
Shares 79,900 Value ($000) $392 Avg Close — Range —
Q2 2013
Shares 78,100 Value ($000) $330 Avg Close — Range —