0001140361-18-021519.txt : 20180503 0001140361-18-021519.hdr.sgml : 20180503 20180503161836 ACCESSION NUMBER: 0001140361-18-021519 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180501 FILED AS OF DATE: 20180503 DATE AS OF CHANGE: 20180503 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Starkloff Eric Howard CENTRAL INDEX KEY: 0001574827 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-25426 FILM NUMBER: 18804038 MAIL ADDRESS: STREET 1: 11500 NORTH MOPAC STREET 2: BUILDING C 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 2018-05-01 0 0000935494 NATIONAL INSTRUMENTS CORP NATI 0001574827 Starkloff Eric Howard C/O NATIONAL INSTRUMENTS CORPORATION 11500 NORTH MOPAC AUSTIN TX 78759 0 1 0 0 Executive Vice President Common Stock 2018-05-01 5 M 0 265 34.7565 A 32599 D Common Stock 2018-05-01 4 M 0 16592 A 49191 D Common Stock 2018-05-01 4 F 0 4129 40.0676 D 45062 D Restricted Stock Units 2018-05-01 4 M 0 391 0 D 2024-05-01 Common Stock 391 0 D Restricted Stock Units 2018-05-01 4 M 0 830 0 D 2026-05-01 Common Stock 830 1659 D Restricted Stock Units 2018-05-01 4 M 0 830 0 D 2027-05-01 Common Stock 830 2689 D Restricted Stock Units 2018-05-01 4 M 0 830 0 D 2028-05-01 Common Stock 830 3558 D Restricted Stock Units 2018-05-01 4 M 0 1660 0 D 2029-05-01 Common Stock 1660 8649 D Restricted Stock Units 2018-05-01 4 M 0 2767 0 D 2030-05-01 Common Stock 2767 17233 D Restricted Stock Units 2018-05-01 4 M 0 3034 0 D 2031-05-01 Common Stock 3034 19466 D Restricted Stock Units 2018-05-01 4 M 0 6250 0 D 2032-05-01 Common Stock 6250 18750 D Acquisition of stock under Issuer's employee stock purchase plan. 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. The restricted stock units vest in four equal annual installments on the anniversary of the vesting commencement date of May 1, 2017. David G. Hugley as attorney-in-fact for Eric H. Starkloff 2018-05-03