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Home > Insider Trading > Filing (0001140361-10-011932)

Filing Details

Accession Number:: 0001140361-10-011932
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-03-15 13:00:00
Reporting Period:: 2010-03-11

Filing Date:: 2010-03-15
Accepted Time:: 2010-03-15 16:38:37
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
935494	National Instruments Corp	NATI	Services-Prepackaged Software (7372)	741871327

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1192894	Ray Almgren	11500 North Mopac Bldg C Austin TX 78759	Vice President	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-03-11	2,086	$32.79	35,807	No	4	S	Direct
Common Stock	Acquisiton	2010-03-11	15,000	$32.08	50,807	No	4	M	Direct
Common Stock	Disposition	2010-03-11	15,000	$33.05	35,807	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2010-03-11	15,000	$0.00	15,000	$32.08

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2010-03-22	No	4	M	Direct

Footnotes

Shares were sold under Reporting Person's 10(b)5-1 Plan.
Shares were exercised under Reporting Person's 10(b)5-1 Plan.
Options vested and became exercisable based on time and performance milestones set by the Issuer.