$ SEC Filings

Filing Filed On
FORM 4 03 May 2011
CORRESP 29 Apr 2011
NATIONAL INSTRUMENTS 1ST QTR 10-Q 2011 29 Apr 2011
NATIONAL INSTRUMENTS CORPORATION FORM 8-K 28 Apr 2011
FORM 4 27 Apr 2011
FORM 4 27 Apr 2011
FORM 4 22 Apr 2011
FORM 4 22 Apr 2011
FORM 4 22 Apr 2011
FORM 4 22 Apr 2011
FORM 4 22 Apr 2011
FORM 4 21 Apr 2011
FORM 4 21 Apr 2011
FORM 4 21 Apr 2011
FORM 4 21 Apr 2011
FORM 4 21 Apr 2011
FORM 4 20 Apr 2011
FORM 4 13 Apr 2011
FORM 4 13 Apr 2011
UPLOAD 08 Apr 2011