SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0001140361-12-007546
Form type: SC 13G
Filer: NATIONAL INSTRUMENTS CORP /DE/
CIK: CIK 935494
Filed: Feb 14, 2012
Reporting period: Dec 31, 2011
Description: Passive 5%+ stake

Documents

0001140361-12-007546-index.htm

Complete submission

0001140361-12-007546.txt

directory listing

Filed by

NATIONAL INSTRUMENTS CORP /DE/