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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001354488-11-000421
Filing Date
2011-02-11
Accepted
2011-02-11 09:52:32
Documents
1

Document Format Files

Seq Description Document Type Size
1 med_sc13ga.htm SC 13G/A 69123
  Complete submission text file 0001354488-11-000421.txt   71162
Mailing Address 8 SYLVAN WAY PARSIPPANY NJ 07054
Business Address 8 SYLVAN WAY PARSIPPANY NJ 07054 973-290-6000
MEDICINES CO /DE (Subject) CIK: 0001113481 (see all company filings)

IRS No.: 043324394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-60201 | Film No.: 11595363
SIC: 2834 Pharmaceutical Preparations

Mailing Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LP (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 800175963 | Fiscal Year End: 1231
Type: SC 13G/A