0001246360-17-002622.txt : 20170823 0001246360-17-002622.hdr.sgml : 20170823 20170823161412 ACCESSION NUMBER: 0001246360-17-002622 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170821 FILED AS OF DATE: 20170823 DATE AS OF CHANGE: 20170823 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TOWSE MATTHEW W CENTRAL INDEX KEY: 0001195852 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51567 FILM NUMBER: 171047253 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: 350 MERRIMACK STREET CITY: LAWRENCE STATE: MA ZIP: 01843 BUSINESS PHONE: 978-687-4700 MAIL ADDRESS: STREET 1: 350 MERRIMACK STREET CITY: LAWRENCE STATE: MA ZIP: 01843 4 1 form.xml PRIMARY DOCUMENT X0306 4 2017-08-21 false 0001333170 NxStage Medical, Inc. NXTM 0001195852 TOWSE MATTHEW W 350 MERRIMACK STREET LAWRENCE MA 01843 false true false false SVP and Chief Financial Office Common Stock 2017-08-21 4 M false 4300 14.05 A 28721 D Common Stock 2017-08-21 4 S false 4300 29.22 D 24421 D Stock Option (Right to Buy) 14.05 2017-08-21 4 M false 4300 0 D 2014-07-15 2023-07-14 Common Stock 4300 8330 D This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 16, 2016. /s/ Aras Lapinskas, attorney-in-fact for Matthew Towse 2017-08-23