EDGAR Filing Documents for 0000935494-05-000102

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0000935494-05-000102

Filing Date

2005-12-29

Accepted

2005-12-29 18:21:56

Documents

Period of Report

2005-12-27

Document Format Files

Seq	Description	Document	Type	Size
1	PRIMARY DOCUMENT	primary_doc.html	4
1	PRIMARY DOCUMENT	primary_doc.xml	4	8111
	Complete submission text file	0000935494-05-000102.txt		10074

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)

IRS No.: 741871327 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software

Mailing Address C/O NATIONAL INSTRUMENTS CORP 11500 N. MOPAC EXPRESSWAY AUSTIN TX 78759

Business Address C/O NATIONAL INSTRUMENTS 11500 N. MOPAC EXPRESSWAY AUSTIN TX 78759 5126835530

Type: 4 | Act: 34 | File No.: 000-25426 | Film No.: 051292456