$CHEK SEC Filings

Filing Filed On
424B3 08 Sep 2020
424B3 24 Jul 2020
424B3 05 Jun 2020
424B3 23 Jul 2018
424B3 23 Jul 2018
424B3 23 Jul 2018
424B3 18 Jan 2018
424B3 26 Jul 2017
424B3 12 Jul 2016
424B3 12 Jul 2016
424B3 12 Jul 2016