0001246360-15-002340.txt : 20150526 0001246360-15-002340.hdr.sgml : 20150525 20150526174916 ACCESSION NUMBER: 0001246360-15-002340 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150521 FILED AS OF DATE: 20150526 DATE AS OF CHANGE: 20150526 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LEWIS EARL R CENTRAL INDEX KEY: 0001230427 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51567 FILM NUMBER: 15890470 MAIL ADDRESS: STREET 1: C/O NXSTAGE MEDICAL INC. (NXTM) STREET 2: 439 SOUTH UNION STREET, 5TH FLOOR CITY: LAWRENCE STATE: MA ZIP: 01843 4 1 form.xml PRIMARY DOCUMENT X0306 4 2015-05-21 false 0001333170 NxStage Medical, Inc. NXTM 0001230427 LEWIS EARL R 350 MERRIMACK STREET LAWRENCE MA 01843 true false false false Stock Option (Right to Buy) 16.81 2015-05-21 4 A false 19724 0 A 2015-06-21 2025-05-20 Common Stock 19724 19724 D The stock option becomes exercisable in 12 equal monthly installments beginning June 21, 2015. Aras Lapinskas, attorney-in-fact for Earl Lewis 2015-05-26