Robert Porterfield Insider Trading

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Robert Porterfield. Robert Porterfield is a Vice President in NATIONAL INSTRUMENTS CORP ($NATI).

Address: C/O NATIONAL INSTRUMENTS CORP 11500 N. MOPAC EXPWY AUSTIN 78759 TX

Companies in which Robert Porterfield is an Insider

NATIONAL INSTRUMENTS CORP

Trading Symbol: NATI
Industry: SERVICES-PREPACKAGED SOFTWARE [7372]
Position of Robert Porterfield: Vice President
Holdings: 77,061 shares
Current Value: $2,422,027
Latest Transaction: Nov 09 2011
$NATI Market Capitalization: $4.05B
$NATI Previous Close: $31.43

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

Latest Insider Trading Transactions of Robert Porterfield

DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Nov 09 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentBuyM21.962836,21677,06176.8 K to 77.1 K (+0.37 %)
Nov 09 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentBuyM21.963507,68776,77876.4 K to 76.8 K (+0.46 %)
May 04 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentOption ExerciseM0.001,00104,399
May 04 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentOption ExerciseM0.001,25204,592
May 04 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentOption ExerciseM0.001,25203,632
May 04 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentOption ExerciseM0.001,25202,669
May 04 2011NATINATIONAL INSTRUMEN ...Porterfield RobertVice PresidentOption ExerciseM0.002,50403,583

View all Robert Porterfield insider transactions.

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