Porterfield Robert

CIK 00013077951 companyAUSTIN, TX

SEC Profile

Transactions

Companies

Filings

CIK

0001307795

Recent Transactions

30 trades

Award
NATIONAL INSTRUMENTS CORP
Restricted Stock Units
2006-04-19+3,000→ 3,000 total
Award
NATIONAL INSTRUMENTS CORP
Restricted Stock Units
2006-04-19+5,000→ 5,000 total
Award
NATIONAL INSTRUMENTS CORP
Restricted Stock Units
2006-04-19+5,000→ 5,000 total
Award
NATIONAL INSTRUMENTS CORP
Restricted Stock Units
2006-04-19+3,000→ 3,000 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-04-01$22.99/sh+414→ 24,483 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-04-01$22.99/sh+430→ 24,069 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-04-01$22.99/sh+430→ 24,069 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-04-01$22.99/sh+414→ 24,483 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-18$29.55/sh−1,435→ 14,389 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-18$29.55/sh−1,435→ 14,389 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$29.55/sh+1,435→ 14,389 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−1,630→ 3,432 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$5.93/sh+1,630→ 18,914 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$29.55/sh+1,435→ 14,389 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$4.30/sh+4,725→ 23,639 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−2,895→ 0 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−4,725→ 0 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$4.30/sh+2,895→ 17,284 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$4.30/sh+2,895→ 17,284 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$5.93/sh+1,630→ 18,914 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−1,630→ 3,432 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−2,895→ 0 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2005-02-16−4,725→ 0 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2005-02-16$4.30/sh+4,725→ 23,639 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2004-12-31$4.30/sh+1,830→ 15,824 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2004-12-31$4.30/sh−1,830→ 2,895 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Common Stock
2004-12-31$4.30/sh+1,830→ 15,824 total
Exercise/Conversion
NATIONAL INSTRUMENTS CORP
Employee Stock Option (right to buy)
2004-12-31$4.30/sh−1,830→ 2,895 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2004-12-31$27.50/sh−286→ 13,994 total
Tax Payment
NATIONAL INSTRUMENTS CORP
Common Stock
2004-12-31$27.50/sh−286→ 13,994 total

Companies

NATIONAL INSTRUMENTS CORP
Vice President

Recent Filings

Address

11500 N. MOPAC EXPWY

AUSTIN, TX, 78759

View on SEC.gov