Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000912938-09-000073
Filing Date
2009-02-03
Accepted
2009-02-03 15:32:51
Documents
1

Document Format Files

Seq Description Document Type Size
1 NXSTAGE MEDICAL, INC. nxstage.txt SC 13G 7223
  Complete submission text file 0000912938-09-000073.txt   9270
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)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
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)

EIN.: 043454702 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-81212 | Film No.: 09564890
SIC: 3845 Electromedical & Electrotherapeutic Apparatus