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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
878526	Natus Medical Inc	BABY	Electromedical & Electrotherapeutic Apparatus (3845)	770154833

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1243159	J Steven Murphy	C/O Natus Medical Incorporated 1501 Industrial Road San Carlos CA 94070	Vice President Finance And Cfo	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, $0.001 Par Value Per Share	Acquisiton	2012-09-13	25,000	$3.45	102,810	No	4	M	Direct
Common Stock, $0.001 Par Value Per Share	Disposition	2012-09-13	6,873	$12.69	95,937	No	4	S	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Incentive Stock Option (Right to Buy)	Disposition	2012-09-13	25,000	$0.00	25,000	$3.45

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-03-31	2012-11-12	No	4	M	Direct

Footnotes

This transaction was executed in multiple trades at prices ranging from $12.67 to $12.74. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Vested as to 12.5% of the shares subject to the option on March 31, 2003 and as to 1/48th of the shares subject to the option each month thereafter.