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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001085146-17-000908
Filing Date
2017-04-07
Accepted
2017-04-07 15:22:45
Documents
1

Document Format Files

Seq Description Document Type Size
1 WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P. macka2_40717.htm SC 13G/A 25746
  Complete submission text file 0001085146-17-000908.txt   27395
Mailing Address ONE FINANCIAL CENTER 23RD FLOOR BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 23RD FLOOR BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LP (Filed by) CIK: 0001177719 (see all company filings)

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

Mailing Address ONE KENDALL SQUARE SUITE B7201 CAMBRIDGE MA 02139
Business Address ONE KENDALL SQUARE SUITE B7201 CAMBRIDGE MA 02139 617-441-1000
MERRIMACK PHARMACEUTICALS INC (Subject) CIK: 0001274792 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-86778 | Film No.: 17749366
SIC: 2834 Pharmaceutical Preparations