ZIX CORP

CUSIP: 98974P100 Class: COM

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q1 2019
Shares 26,366 Value ($000) $181 Avg Close — Range —
Q4 2018
Shares 77,936 Value ($000) $447 Avg Close — Range —
Q3 2018
Shares 108,144 Value ($000) $600 Avg Close — Range —
Q2 2018
Shares 49,933 Value ($000) $269 Avg Close — Range —
Q3 2017
Shares 51,112 Value ($000) $250 Avg Close — Range —
Q2 2017
Shares 256,832 Value ($000) $1,461 Avg Close — Range —
Q1 2017
Shares 612,389 Value ($000) $2,946 Avg Close — Range —
Q4 2016
Shares 522,942 Value ($000) $2,583 Avg Close — Range —
Q3 2016
Shares 505,944 Value ($000) $2,074 Avg Close — Range —
Q2 2016
Shares 584,701 Value ($000) $2,193 Avg Close — Range —
Q1 2016
Shares 608,284 Value ($000) $2,391 Avg Close — Range —
Q4 2015
Shares 488,694 Value ($000) $2,483 Avg Close — Range —
Q3 2015
Shares 272,573 Value ($000) $1,148 Avg Close — Range —
Q2 2015
Shares 255,685 Value ($000) $1,322 Avg Close — Range —
Q1 2015
Shares 75,644 Value ($000) $297 Avg Close — Range —
Q3 2014
Shares 17,351 Value ($000) $59 Avg Close — Range —
Q2 2014
Shares 24,549 Value ($000) $84 Avg Close — Range —
Q1 2014
Shares 30,419 Value ($000) $126 Avg Close — Range —
Q4 2013
Shares 91,114 Value ($000) $415 Avg Close — Range —
Q3 2013
Shares 66,514 Value ($000) $326 Avg Close — Range —
Q2 2013
Shares 53,324 Value ($000) $226 Avg Close — Range —