ZIX CORP

CUSIP: 98974P100 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2019
Shares 9,000 Value ($000) $61 Avg Close — Range —
Q2 2019
Shares 11,600 Value ($000) $105 Avg Close — Range —
Q1 2019
Shares 11,600 Value ($000) $79 Avg Close — Range —
Q4 2018
Shares 11,600 Value ($000) $66 Avg Close — Range —
Q3 2018
Shares 13,000 Value ($000) $72 Avg Close — Range —
Q2 2018
Shares 13,000 Value ($000) $70 Avg Close — Range —
Q1 2018
Shares 13,000 Value ($000) $55 Avg Close — Range —
Q4 2017
Shares 13,000 Value ($000) $56 Avg Close — Range —
Q3 2017
Shares 14,000 Value ($000) $68 Avg Close — Range —
Q2 2017
Shares 14,000 Value ($000) $79 Avg Close — Range —
Q1 2017
Shares 14,000 Value ($000) $67 Avg Close — Range —
Q4 2016
Shares 14,000 Value ($000) $69 Avg Close — Range —
Q3 2016
Shares 14,000 Value ($000) $57 Avg Close — Range —
Q2 2016
Shares 14,000 Value ($000) $52 Avg Close — Range —
Q1 2016
Shares 14,000 Value ($000) $55 Avg Close — Range —
Q4 2015
Shares 14,000 Value ($000) $71 Avg Close — Range —
Q3 2015
Shares 14,000 Value ($000) $58 Avg Close — Range —
Q2 2015
Shares 14,000 Value ($000) $72 Avg Close — Range —
Q1 2015
Shares 14,000 Value ($000) $55 Avg Close — Range —
Q4 2014
Shares 14,000 Value ($000) $50 Avg Close — Range —
Q3 2014
Shares 14,000 Value ($000) $47 Avg Close — Range —
Q2 2014
Shares 14,000 Value ($000) $47 Avg Close — Range —
Q1 2014
Shares 14,000 Value ($000) $57 Avg Close — Range —
Q4 2013
Shares 14,000 Value ($000) $63 Avg Close — Range —
Q3 2013
Shares 14,000 Value ($000) $68 Avg Close — Range —
Q2 2013
Shares 14,000 Value ($000) $63 Avg Close — Range —