0001140361-17-043092.txt : 20171116 0001140361-17-043092.hdr.sgml : 20171116 20171116153940 ACCESSION NUMBER: 0001140361-17-043092 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170801 FILED AS OF DATE: 20171116 DATE AS OF CHANGE: 20171116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Roiko John Charles CENTRAL INDEX KEY: 0001693171 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 171207967 MAIL ADDRESS: STREET 1: C/O NATIONAL INSTRUMENTS CORPORATION STREET 2: 11500 NORTH MOPAC CITY: AUSTIN STATE: TX ZIP: 78759 ISSUER: 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 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 4 1 doc1.xml FORM 4 X0306 4 2017-08-01 0 0000935494 NATIONAL INSTRUMENTS CORP NATI 0001693171 Roiko John Charles C/O NATIONAL INSTRUMENTS CORPORATION 11500 NORTH MOPAC AUSTIN TX 78759 0 1 0 0 Chief Accounting Officer Common Stock 2017-08-01 5 M 0 203 29.6735 A 18451 D Common Stock 2017-11-01 5 M 0 91 34.9690 A 18542 D Common Stock 2017-11-15 4 S 0 489 44.4478 D 18053 D Acquisition of stock under Issuer's employee stock purchase plan. David G. Hugley as attorney-in-fact for John Charles Roiko 2017-11-16