Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000935494-08-000017
Filing Date
2008-02-15
Accepted
2008-02-15 20:44:12
Documents
1
Period of Report
2008-02-13

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 13578
  Complete submission text file 0000935494-08-000017.txt   15372
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.: 08624365