Home > Insider Trading > Filing (0001209191-10-029784)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1333170	Nxstage Medical Inc.	NXTM	Electromedical & Electrotherapeutic Apparatus (3845)	043454702

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1382096	S. Robert Brown	C/O Nxstage Medical, Inc. 439 South Union Street, 5Th Floor Lawrence MA 01843	Sr. Vice President, 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
Common Stock	Acquisiton	2010-05-20	2,000	$2.11	83,784	No	4	M	Direct
Common Stock	Disposition	2010-05-20	2,000	$11.97	81,784	No	4	S	Direct
Common Stock	Disposition	2010-05-20	3,000	$11.97	78,784	No	4	S	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2010-05-20	2,000	$0.00	2,000	$2.11

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
72,000		2016-03-04	No	4	M	Direct

Footnotes

This amount has been reduced to reflect the reporting person's use of shares to satisfy his tax withholding liability incurred in connection with the awards granted to him on March 3, 2010 (the "Awards") pursuant to the Company's 2009 Corporate Bonus and 2009 Performance Share Plans. The shares were used to satisfy the tax withholding obligations on the date of grant.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2010.
This option was granted on March 5, 2009 and vests over three years in equal monthly installments.