ZIX CORP

CUSIP: 98974P100 Class: COM

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q3 2018
Shares 15,810 Value ($000) $88 Avg Close — Range —
Q2 2018
Shares 11,714 Value ($000) $63 Avg Close — Range —
Q4 2017
Shares 3,000 Value ($000) $13 Avg Close — Range —
Q4 2015
Shares 500 Value ($000) $3 Avg Close — Range —
Q1 2015
Shares 1,000 Value ($000) $4 Avg Close — Range —