0001140361-13-017828.txt : 20130430 0001140361-13-017828.hdr.sgml : 20130430 20130430121150 ACCESSION NUMBER: 0001140361-13-017828 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130429 FILED AS OF DATE: 20130430 DATE AS OF CHANGE: 20130430 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 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 13795528 MAIL ADDRESS: STREET 1: C/O NATIONAL INSTRUMENTS STREET 2: 11500 MOPAC BLDG C CITY: AUSTIN STATE: TX ZIP: 78759 4 1 doc1.xml FORM 4 X0306 4 2013-04-29 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 2013-04-29 4 S 0 3000 27.0463 D 45884 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.03 to $27.07, inclusive. The reporting person undertakes to provide to National Instruments Corporation, any security holder of National Instruments Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. David G. Hugley as attorney-in-fact for Alexander M. Davern 2013-04-30