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Home > Insider Trading > Filing (0001140361-10-010717)

Filing Details

Accession Number:: 0001140361-10-010717
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-03-08 12:00:00
Reporting Period:: 2010-03-05

Filing Date:: 2010-03-08
Accepted Time:: 2010-03-08 20:20:34
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
1348803	Ash Razdan	11500 North Mopac, Bldg C Austin TX 78759		No	No	No	Yes

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-03-05	14,085	$32.08	67,513	No	4	M	Direct
Common Stock	Disposition	2010-03-05	9,185	$32.90	58,328	No	4	S	Direct
Common Stock	Disposition	2010-03-05	3,300	$32.91	55,028	No	4	S	Direct
Common Stock	Disposition	2010-03-05	1,300	$32.92	53,728	No	4	S	Direct
Common Stock	Disposition	2010-03-05	100	$32.92	53,628	No	4	S	Direct
Common Stock	Disposition	2010-03-05	100	$32.92	53,528	No	4	S	Direct
Common Stock	Disposition	2010-03-05	100	$32.93	53,428	No	4	S	Direct

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

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2010-03-05	14,085	$0.00	15,000	$32.08

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
915		2010-03-22	No	4	M	Direct

Footnotes

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