0001140361-13-015812.txt : 20130405 0001140361-13-015812.hdr.sgml : 20130405 20130405183843 ACCESSION NUMBER: 0001140361-13-015812 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111104 FILED AS OF DATE: 20130405 DATE AS OF CHANGE: 20130405 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: DAVERN ALEXANDER M CENTRAL INDEX KEY: 0001192890 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 13746959 MAIL ADDRESS: STREET 1: C/O NATIONAL INSTRUMENTS STREET 2: 11500 MOPAC BLDG C CITY: AUSTIN STATE: TX ZIP: 78759 4/A 1 doc1.xml FORM 4/A X0306 4/A 2011-11-04 2011-11-04 0 0000935494 NATIONAL INSTRUMENTS CORP /DE/ NATI 0001192890 DAVERN ALEXANDER M C/O NATIONAL INSTRUMENTS CORP 11500 N. MOPAC BLDG C AUSTIN TX 78759 0 1 0 0 COO, CFO & Executive VP Common Stock 2011-11-04 4 F 0 7866 27.2300 D 48884 D The number of shares was erroneously reported in the original Form 4 filing. Share and dollar amounts reflect the 3-for-2 split of the issuer's common stock effected on February 22, 2011. Shares represent current shares held by reporting person as of the date of this report. David G. Hugley as attorney-in-fact for Alexander M. Davern 2013-04-05