$CHX SEC Filings

Filing Filed On
10-Q 29 Apr 2021
IRANNOTICE 29 Apr 2021
8-K 28 Apr 2021
8-K 27 Apr 2021
DEFA14A 30 Mar 2021
DEF 14A 30 Mar 2021
8-K 22 Mar 2021
FORM 4 05 Mar 2021
10-K 01 Mar 2021
IRANNOTICE 01 Mar 2021
FORM 4 24 Feb 2021
FORM 4 24 Feb 2021
FORM 4 24 Feb 2021
FORM 4 24 Feb 2021
FORM 4 24 Feb 2021
8-K 24 Feb 2021
FORM 4 22 Feb 2021
FORM 4 22 Feb 2021
FORM 4 22 Feb 2021
FORM 4 22 Feb 2021