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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000912938-11-000113
Filing Date
2011-02-01
Accepted
2011-02-01 15:59:23
Documents
1

Document Format Files

Seq Description Document Type Size
1 NXSTAGE MEDICAL, INC. nxstage.htm SC 13G/A 44603
  Complete submission text file 0000912938-11-000113.txt   46626
Mailing Address 500 BOYLSTON STREET 10TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON ST 10TH FL BOSTON MA 02116 18006372929
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (Filed by) CIK: 0000912938 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 439 SOUTH UNION STREET 5TH FLOOR LAWRENCE MA 01843
Business Address 439 SOUTH UNION STREET 5TH FLOOR LAWRENCE MA 01843 978-687-4700
NxStage Medical, Inc. (Subject) CIK: 0001333170 (see all company filings)

IRS No.: 043454702 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-81212 | Film No.: 11563157
SIC: 3845 Electromedical & Electrotherapeutic Apparatus