Zix Corp

SIMPLEX TRADING, LLC

Report date

9/30/2021

Quarter

2021 Q3

Filed

10/28/2021

Shares

2,735

Value ($000)

19

Weight

0.0%

2019 Q4 - 2021 Q3 (8 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2021 Q3	10/28/2021	19	0.0%	2,735	9/30/2021
2021 Q2	8/12/2021	19	0.0%	2,735	6/30/2021
2021 Q1	4/26/2021	407	0.0%	54,002	3/31/2021
2020 Q4	2/2/2021	122	0.0%	14,203	12/31/2020
2020 Q3	10/14/2020	152	0.0%	26,144	9/30/2020
2020 Q2	7/13/2020	14	0.0%	2,087	6/30/2020
2020 Q1	4/29/2020	28	0.0%	6,654	3/31/2020
2019 Q4	2/5/2020	127	0.0%	18,750	12/31/2019