<SEC-DOCUMENT>0001140361-16-066312-index.html : 20160519 <SEC-HEADER>0001140361-16-066312.hdr.sgml : 20160519 <ACCEPTANCE-DATETIME>20160519164053 ACCESSION NUMBER: 0001140361-16-066312 CONFORMED SUBMISSION TYPE: SD PUBLIC DOCUMENT COUNT: 2 <RULE> <RULE-NAME>13p-1 <ITEM> <ITEM-NUMBER>1.01 <ITEM-PERIOD>20150101 </ITEM> <ITEM> <ITEM-NUMBER>1.02 <ITEM-PERIOD>20151231 </ITEM> </RULE> FILED AS OF DATE: 20160519 DATE AS OF CHANGE: 20160519 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONAL INSTRUMENTS CORP CENTRAL INDEX KEY: 0000935494 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 741871327 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SD SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 161663666 BUSINESS ADDRESS: STREET 1: 11500 NORTH MOPAC EXPRESSWAY CITY: AUSTIN STATE: TX ZIP: 78759 BUSINESS PHONE: 5123389119 MAIL ADDRESS: STREET 1: 11500 NORTH MOPAC EXPRESSWAY CITY: AUSTIN STATE: TX ZIP: 78759 FORMER COMPANY: FORMER CONFORMED NAME: NATIONAL INSTRUMENTS CORP /DE/ DATE OF NAME CHANGE: 19950113 </SEC-HEADER> <DOCUMENT> <TYPE>SD <SEQUENCE>1 <FILENAME>formsd.htm <DESCRIPTION>NATIONAL INSTRUMENTS CORPORATION SD 12-31-2015 <TEXT> Document 1 - file: formsd.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>ex1_01.htm <DESCRIPTION>EXHIBIT 1.01 <TEXT> Document 2 - file: ex1_01.htm
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