$CHX SEC Filings

Filing Filed On
DEFA14A 26 Mar 2019
DEF 14A 25 Mar 2019
FORM 4 19 Mar 2019
FORM 4 19 Mar 2019
FORM 4 19 Mar 2019
FORM 4 19 Mar 2019
FORM 4 19 Mar 2019
FORM 10-K 27 Feb 2019
FORM 4 27 Feb 2019
FORM 4 27 Feb 2019
FORM 4 27 Feb 2019
FORM 4 27 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019
FORM 4 25 Feb 2019