0001140361-11-024837.txt : 20110504 0001140361-11-024837.hdr.sgml : 20110504 20110504145041 ACCESSION NUMBER: 0001140361-11-024837 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110501 FILED AS OF DATE: 20110504 DATE AS OF CHANGE: 20110504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ZOGAS PETER CENTRAL INDEX KEY: 0001193176 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 11809782 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 4 1 doc1.xml FORM 4 X0303 4 2011-05-01 0 0000935494 NATIONAL INSTRUMENTS CORP /DE/ NATI 0001193176 ZOGAS PETER C/O NATIONAL INSTRUMENTS CORP 11500 NORTH MOPAC, BLDG B AUSTIN TX 78759 0 1 0 0 Senior Vice President Common Stock 2011-05-02 4 M 0 14399 A 95940 D Common Stock 2011-05-02 4 F 0 3811 30.32 D 92129 D Common Stock 2011-05-02 5 M 0 361 23.9757 A 92490 D Restricted Stock Units 2011-05-01 4 M 0 5009 0.0 D 2020-05-01 Common Stock 12177 7168 D Restricted Stock Units 2011-05-01 4 M 0 2504 0.0 D 2021-05-01 Common Stock 7842 5338 D Restricted Stock Units 2011-05-01 4 M 0 2504 0.0 D 2022-05-01 Common Stock 9768 7264 D Restricted Stock Units 2011-05-01 4 M 0 2504 0.0 D 2023-05-01 Common Stock 11687 9183 D Restricted Stock Units 2011-05-01 4 M 0 1878 0.0 D 2024-05-01 Common Stock 10125 8247 D Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest and become exercisable based on time and performance milestones set by the Issuer. On February 22, 2011, the common stock of National Instruments Corporation split 3-for-2, resulting in the reporting person's ownership of additional shares of common stock. David G. Hugley as attorney-in-fact for Peter Zogas 2011-05-04