Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000935494-06-000009
Filing Date
2006-02-01
Accepted
2006-02-01 17:42:48
Documents
1
Period of Report
2006-01-30

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 10543
  Complete submission text file 0000935494-06-000009.txt   12337
Mailing Address 11500 NORTH MOPAC EXPRESSWAY AUSTIN TX 78759
Business Address 11500 NORTH MOPAC EXPRESSWAY AUSTIN TX 78759 5123389119
NATIONAL INSTRUMENTS CORP /DE/ (Issuer) CIK: 0000935494 (see all company filings)

EIN.: 741871327 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software

Mailing Address 11500 N. MOPAC EXPWY AUSTIN TX 78759
Business Address 512-338-9119
Porterfield Robert (Reporting) CIK: 0001307795 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-25426 | Film No.: 06570920