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Filing metadata

Accession number: 0001140361-12-021072
Form type: Form 4
Filer: NATIONAL INSTRUMENTS CORP /DE/
CIK: CIK 935494
Filed: Apr 20, 2012
Reporting period: Apr 19, 2012
Description: Insider transaction

Documents

0001140361-12-021072-index.htm

Complete submission

0001140361-12-021072.txt

directory listing

Filed by

NATIONAL INSTRUMENTS CORP /DE/