ZIX CORP

CUSIP: 98974P100 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q2 2020
Shares 22,376 Value ($000) $155 Avg Close — Range —
Q1 2020
Shares 32,635 Value ($000) $141 Avg Close — Range —
Q2 2019
Shares 51,912 Value ($000) $472 Avg Close — Range —
Q1 2019
Shares 13,294 Value ($000) $91 Avg Close — Range —
Q4 2018
Shares 22,723 Value ($000) $126 Avg Close — Range —
Q3 2018
Shares 22,723 Value ($000) $126 Avg Close — Range —