$CHE SC 13D/A SEC Filings

Filed On	Filing
23 Feb 2018	SC 13D/A
07 Mar 2017	SC 13D/A
07 May 2013	SC 13D/A
05 Jun 2006	SC 13D/A
31 Mar 2006	SC 13D/A
03 Feb 2006	SC 13D/A
04 Aug 2005	SC 13D/A
17 May 2005	SC 13D/A
24 Mar 2005	SC 13D/A
26 May 2004	SC 13D/A
26 Apr 2004	SC 13D/A
01 Dec 2003	SC 13D/A
03 Oct 2002	SC 13D/A
22 Jul 2002	SC 13D/A
17 May 2002	SC 13D/A
08 Apr 2002	AMENDMENT TO SCHEDULE 13D
06 Mar 2002	AMEDMENT TO SCHEDULE 13D
19 Feb 2002	AMENDMENT TO SCHEDULE 13D
31 Jan 2002	AMENDMENT TO SCHEDULE 13D
24 Jan 2002	AMENDMENT TO SCHEDULE 13D