0001140361-16-050497.txt : 20160205 0001140361-16-050497.hdr.sgml : 20160205 20160205184743 ACCESSION NUMBER: 0001140361-16-050497 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160204 FILED AS OF DATE: 20160205 DATE AS OF CHANGE: 20160205 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: LE DUY LOAN T CENTRAL INDEX KEY: 0001192886 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 161393604 MAIL ADDRESS: STREET 1: C/O NATIONAL INSTRUMENTS STREET 2: 11500 MOPAC BLDG B CITY: AUSTIN STATE: TX ZIP: 78759 4 1 doc1.xml FORM 4 X0306 4 2016-02-04 0 0000935494 NATIONAL INSTRUMENTS CORP /DE/ NATI 0001192886 LE DUY LOAN T C/O NATIONAL INSTRUMENTS CORPORATION 11500 NORTH MOPAC, BLDG B AUSTIN TX 78759 1 0 0 0 Common Stock 2016-02-04 4 P 0 3100 27.8460 A 77322 D David G. Hugley as attorney-in-fact for Duy-Loan T. Le 2016-02-05