4//SEC Filing
Porterfield Robert 4
Accession 0001140361-11-013492
CIK 0000935494other
Filed
Mar 1, 7:00 PM ET
Accepted
Mar 2, 4:38 PM ET
Size
6.8 KB
Accession
0001140361-11-013492
Insider Transaction Report
Form 4
Porterfield Robert
Vice President
Transactions
- Exercise/Conversion
Common Stock
2011-02-01$29.55/sh+234$6,916→ 48,085 total(indirect: By Spouse) - Sale
Common Stock
2011-02-28$31.18/sh−8,514$265,493→ 63,613 total
Footnotes (2)
- [F1]Acquisition of stock under Issuer's employee stock purchase plan.
- [F2]On February 22, 2011, the common stock of National Instruments Corporation split 3-for-2, resulting in the reporting person's ownership of 24,042 additional shares of common stock.
Documents
Issuer
NATIONAL INSTRUMENTS CORP /DE/
CIK 0000935494
Entity typeother
Related Parties
1- filerCIK 0001307795
Filing Metadata
- Form type
- 4
- Filed
- Mar 1, 7:00 PM ET
- Accepted
- Mar 2, 4:38 PM ET
- Size
- 6.8 KB