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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-13-018490
Filing Date
2013-05-02
Accepted
2013-05-02 19:22:48
Documents
1
Period of Report
2013-05-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 9985
  Complete submission text file 0001140361-13-018490.txt   11343
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 AMERICAN ELECTRIC POWER 1 RIVERSIDE PLAZA, 29TH FLOOR COLUMBUS OH 43215
Business Address
CARLTON DONALD M (Reporting) CIK: 0001092457 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-25426 | Film No.: 13809785