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Home > Insider Trading > Filing (0001140361-10-051044)

Filing Details

Accession Number:: 0001140361-10-051044
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-12-22 16:52:52
Reporting Period:: 2010-12-20

Filing Date:: 2010-12-22
Accepted Time:: 2010-12-22 16:52:52
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
1008359	J James Truchard	C/O National Instruments Corp 11500 N. Mopac Expressway, Bldg. C Austin TX 78759-3504	President	Yes	Yes	Yes	No

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	Disposition	2010-12-20	2,000	$37.37	15,685,463	No	4	S	Indirect	by The Truchard Revocable Trust
Common Stock	Disposition	2010-12-20	2,000	$37.37	409,797	No	4	S	Indirect	by The Truchard Descendants' Trust
Common Stock	Disposition	2010-12-21	3,250	$37.69	15,685,213	No	4	S	Indirect	by The Truchard Revocable Trust
Common Stock	Disposition	2010-12-21	3,250	$37.69	406,547	No	4	S	Indirect	by The Truchard Descendants' Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	by The Truchard Revocable Trust
No	4	S	Indirect	by The Truchard Descendants' Trust
No	4	S	Indirect	by The Truchard Revocable Trust
No	4	S	Indirect	by The Truchard Descendants' Trust

Footnotes

Shares were sold under Reporting Person's 10(b)5-1 Plan.