$ASTC SC 13D/A SEC Filings

Filed On	Filing
31 Mar 2021	SC 13D/A
19 Apr 2019	SC 13D/A
12 Oct 2018	SC 13D/A
17 Apr 2015	AMENDMENT NO.2 TO SCHEDULE 13D
17 Apr 2015	AMENDMENT NO.1 TO SCHEDULE 13D
06 Oct 2009	SC 13D/A
30 Sep 2009	SC 13D/A
15 Jul 2009	SC 13D/A
03 Jan 2006	AMENDMENT NO. 4
02 Aug 2005	AMENDED GENERAL STATEMENT OF BEN. OWNERSHIP
29 Oct 2004	AMEND. #2 TO GEN. STATEMENT OF BEN. OWNERSHIP
18 Oct 2004	AMENDMENT NO. 1
27 Oct 1999	AMENDMENT NO.1