ZIX CORP

CUSIP: 98974P100 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q1 2018
Shares 10,587 Value ($000) $45 Avg Close — Range —
Q3 2014
Shares 37,958 Value ($000) $130 Avg Close — Range —
Q2 2014
Shares 17,148 Value ($000) $59 Avg Close — Range —