0001209191-12-002793.txt : 20120109 0001209191-12-002793.hdr.sgml : 20120109 20120109163055 ACCESSION NUMBER: 0001209191-12-002793 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120105 FILED AS OF DATE: 20120109 DATE AS OF CHANGE: 20120109 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Webb Michael J. CENTRAL INDEX KEY: 0001409195 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51567 FILM NUMBER: 12517831 MAIL ADDRESS: STREET 1: C/O NXSTAGE MEDICAL, INC. STREET 2: 439 SOUTH UNION ST. CITY: LAWRENCE STATE: MA ZIP: 01843 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NxStage Medical, Inc. CENTRAL INDEX KEY: 0001333170 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 043454702 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 439 SOUTH UNION STREET STREET 2: 5TH FLOOR CITY: LAWRENCE STATE: MA ZIP: 01843 BUSINESS PHONE: 978-687-4700 MAIL ADDRESS: STREET 1: 439 SOUTH UNION STREET STREET 2: 5TH FLOOR CITY: LAWRENCE STATE: MA ZIP: 01843 4 1 doc4.xml FORM 4 SUBMISSION X0304 4 2012-01-05 0 0001333170 NxStage Medical, Inc. NXTM 0001409195 Webb Michael J. C/O NXSTAGE MEDICAL, INC. 439 SOUTH UNION STREET LAWRENCE MA 01843 0 1 0 0 SVP, Quality & Regulatory Common Stock 2012-01-05 4 S 0 5874 18.0148 D 7568 D This sale was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on August 19,2011. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.10. The reporting person undertakes to provide to the issuer, any holder of the issuer's stock, or the SEC, upon request, full information regarding the number of shares sold at each separate price within the range described above. /s/ Winifred L. Swan, attorney-in-fact 2012-01-09