0001209191-21-017431.txt : 20210303 0001209191-21-017431.hdr.sgml : 20210303 20210303195530 ACCESSION NUMBER: 0001209191-21-017431 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210303 DATE AS OF CHANGE: 20210303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ROBERTSON DAVE CENTRAL INDEX KEY: 0001188811 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-17995 FILM NUMBER: 21711799 MAIL ADDRESS: STREET 1: 2711 N HASKELL AVE STREET 2: STE 2300 LB 36 CITY: DALLAS STATE: TX ZIP: 75204 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ZIX CORP CENTRAL INDEX KEY: 0000855612 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374] IRS NUMBER: 752216818 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2711 NORTH HASKELL AVENUE STREET 2: SUITE 2300, LB 36 CITY: DALLAS STATE: TX ZIP: 75204-2960 BUSINESS PHONE: 214-370-2000 MAIL ADDRESS: STREET 1: 2711 NORTH HASKELL AVENUE STREET 2: SUITE 2300, LB 36 CITY: DALLAS STATE: TX ZIP: 75204-2960 FORMER COMPANY: FORMER CONFORMED NAME: ZIXIT CORP DATE OF NAME CHANGE: 19991013 FORMER COMPANY: FORMER CONFORMED NAME: CUSTOMTRACKS CORP /TX/ DATE OF NAME CHANGE: 19980904 FORMER COMPANY: FORMER CONFORMED NAME: AMTECH CORP DATE OF NAME CHANGE: 19920703 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-03-01 0 0000855612 ZIX CORP ZIXI 0001188811 ROBERTSON DAVE 2711 N. HASKELL AVENUE SUITE 2300, LB 36 DALLAS TX 75204 0 1 0 0 Vice President Common Stock 2021-03-01 4 D 0 1234 0.00 D 313457 D Common Stock 2021-03-01 4 F 0 623 7.42 D 312834 D Common Stock 2021-03-01 4 D 0 4625 0.00 D 308209 D Common Stock 2021-03-01 4 F 0 1890 7.42 D 306319 D Common Stock 2021-03-01 4 D 0 5184 0.00 D 301135 D Common Stock 2021-03-01 4 F 0 2145 7.42 D 298990 D /s/ Noah F. Webster, Attorney-in-Fact 2021-03-03