Porterfield Robert 4
4 · NATIONAL INSTRUMENTS CORP /DE/ · Filed Nov 9, 2011
Insider Transaction Report
Form 4
Porterfield Robert
Vice President
Transactions
- Exercise/Conversion
Common Stock
2011-08-01$21.96/sh+283$6,216→ 77,061 total(indirect: By Spouse) - Exercise/Conversion
Common Stock
2011-08-01$21.96/sh+350$7,687→ 76,778 total
Footnotes (1)
- [F1]Acquisition of stock under Issuer's employee stock purchase plan.