$ASUR SC 13D/A SEC Filings

Filed On	Filing
10 Jun 2020	SC 13D/A
13 Dec 2019	SC 13D/A
22 Nov 2019	SC 13D/A
18 Jun 2018	SC 13D/A
08 Dec 2016	SC 13D/A
09 Jun 2014	SC 13D/A
04 Jun 2013	SC 13D/A
09 Apr 2012	SC 13D/A
21 Jun 2010	SC 13D/A
29 Sep 2009	SCHEDULE 13D/A
14 Jul 2009	SC 13D/A
23 Jun 2009	SC 13D/A
18 Jun 2009	SC 13D/A
17 Jun 2009	SC 13D/A
29 May 2009	SC 13D/A
18 May 2009	AMENDMENT NO. 3
13 May 2009	SC 13D/A
04 May 2009	AMENDMENT NO. 1
21 Dec 2001	VTEL CORPORATION SCHEDULE 13D, AMEND. NO. 2
28 Aug 2001	SC 13D/A