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Home > Insider Trading > Filing (0001209191-11-048163)

Filing Details

Accession Number:: 0001209191-11-048163
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-09-16 16:21:26
Reporting Period:: 2011-09-15

Filing Date:: 2011-09-16
Accepted Time:: 2011-09-16 16:21:26
SEC Url:: Form 4 Filing

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
1409195	J. Michael Webb	C/O Nxstage Medical, Inc. 439 South Union Street Lawrence MA 01843	Svp, Quality & Regulatory	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	Acquisiton	2011-09-15	10,186	$4.54	31,430	No	4	M	Direct
Common Stock	Disposition	2011-09-15	10,186	$20.00	21,244	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

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2011-09-15	10,186	$0.00	10,186	$4.54

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
43,214	2008-04-27	2015-03-26	No	4	M	Direct

Footnotes

This sale was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on March 9, 2011.
This option was granted on March 27, 2008 and vests over four years in equal monthly installments.