$NAT SEC Filings

Filing Filed On
6-K 27 Aug 2001
6-K 12 Jul 2001
20-F 02 Jul 2001
SC 13D/A 22 May 2001
6-K 06 Mar 2001
AMENDMENT NO. 1 TO SCHEDULE 13G 09 Feb 2001
SC 13D/A 02 Feb 2001
SC 13D/A 01 Feb 2001
6-K 11 Jan 2001
144/A 22 Nov 2000
144/A 20 Nov 2000
144/A 20 Nov 2000
144 01 Nov 2000
144 31 Oct 2000
144 31 Oct 2000
6-K 11 Oct 2000
SCHEDULE 13G 30 Aug 2000
6-K 02 Aug 2000
SC 13D/A 14 Jul 2000
6-K 07 Jul 2000