ZIX CORP

CUSIP: 98974P100 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2019
Shares 176,100 Value ($000) $1,211 Avg Close Range
Q4 2018
Shares 272,700 Value ($000) $1,562 Avg Close Range
Q3 2018
Shares 293,200 Value ($000) $1,627 Avg Close Range
Q2 2018
Shares 293,200 Value ($000) $1,580 Avg Close Range
Q1 2018
Shares 239,500 Value ($000) $1,022 Avg Close Range
Q4 2017
Shares 120,500 Value ($000) $527 Avg Close Range
Q3 2017
Shares 120,500 Value ($000) $589 Avg Close Range
Q2 2017
Shares 147,300 Value ($000) $838 Avg Close Range
Q1 2017
Shares 147,300 Value ($000) $708 Avg Close Range
Q4 2016
Shares 176,900 Value ($000) $873 Avg Close Range
Q3 2016
Shares 234,800 Value ($000) $962 Avg Close Range
Q2 2016
Shares 234,800 Value ($000) $880 Avg Close Range
Q1 2016
Shares 198,900 Value ($000) $781 Avg Close Range
Q4 2015
Shares 60,100 Value ($000) $305 Avg Close Range
Q3 2015
Shares 104,900 Value ($000) $441 Avg Close Range
Q2 2015
Shares 104,900 Value ($000) $542 Avg Close Range
Q1 2015
Shares 104,900 Value ($000) $412 Avg Close Range
Q4 2014
Shares 104,900 Value ($000) $377 Avg Close Range
Q3 2014
Shares 50,100 Value ($000) $171 Avg Close Range
Q1 2014
Shares 41,800 Value ($000) $173 Avg Close Range
Q4 2013
Shares 41,800 Value ($000) $190 Avg Close Range
Q3 2013
Shares 62,200 Value ($000) $304 Avg Close Range
Q2 2013
Shares 77,000 Value ($000) $324 Avg Close Range