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Home > Insider Trading > Robert Porterfield > Insider Sales

Robert Porterfield

Insider Trading: Sales
  • Displaying 4
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
National Instruments Corp
 NATI $31.18 8,514 Officer 63,613 2011-02-28 Filing
National Instruments Corp
 NATI $34.75 3,000 Officer 47,851 2010-11-02 Filing
National Instruments Corp
 NATI $34.75 6,000 Officer 50,851 2010-11-02 Filing
National Instruments Corp
 NATI $34.75 6,000 Officer 50,851 2010-11-02 Filing