<SEC-DOCUMENT>0001140361-15-017468-index.html : 20150504 <SEC-HEADER>0001140361-15-017468.hdr.sgml : 20150504 <ACCEPTANCE-DATETIME>20150504183742 ACCESSION NUMBER: 0001140361-15-017468 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150501 FILED AS OF DATE: 20150504 DATE AS OF CHANGE: 20150504 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONAL INSTRUMENTS CORP /DE/ CENTRAL INDEX KEY: 0000935494 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 741871327 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: McGrath Michael E CENTRAL INDEX KEY: 0001300864 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 15829885 MAIL ADDRESS: STREET 1: 11701 LUNA ROAD CITY: DALLAS STATE: TX ZIP: 75234 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>doc1.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: doc1.html
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