$AMS SC 13D/A SEC Filings

Filed On	Filing
03 Apr 2024	SCHEDULE 13D/A
18 Dec 2023	SCHEDULE 13D/A
03 May 2023	SCHEDULE 13D/A
14 Jun 2021	SC 13D/A
21 May 2019	SC 13D/A
16 Feb 2016	AMENDMENT NO. 2
20 Jan 2016	SCHEDULE 13D/A
28 Oct 2014	SC 13D/A
27 Oct 2014	SC 13D/A
18 Jun 2014	SC 13D/A
15 Jul 2011	FORM SC 13D/A
23 Jan 2006	AMENDMENT TO SCHEDULE 13D
21 Jan 2005	AMENDMENT TO SCHEDULE 13D
03 Nov 2004	AMENDMENT TO SCHEDULE 13D
11 Mar 1999	SCHEDULE 13D/A
23 Jun 1998	SC 13D/A
04 May 1998	AMENDMENT#2 TO SCHEDULE 13D FOR ERNEST BATES, MD
30 Mar 1998	AMENDMENT NO. 1 TO SCHEDULE 13D
12 Mar 1996	SCHEDULE 13D AMENDMENT #2
28 Nov 1995	SC 13D/A