$ASUR SEC Filings

Filing Filed On
SC 13D/A 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
SCHEDULE 13D/A 29 Sep 2009
SC 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
AMENDMENT NO. 3 18 May 2009
SC 13D/A 13 May 2009
AMENDMENT NO. 1 04 May 2009
VTEL CORPORATION SCHEDULE 13D, AMEND. NO. 2 21 Dec 2001
SC 13D/A 28 Aug 2001