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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000215457-19-002237
Filing Date
2019-01-31
Accepted
2019-01-31 14:06:50
Documents
1

Document Format Files

Seq Description Document Type Size
1 us60877t1007_012919.txt SC 13G/A 11485
  Complete submission text file 0000215457-19-002237.txt   13204
Mailing Address 301 BINNEY STREET CAMBRIDGE MA 02142
Business Address 301 BINNEY STREET CAMBRIDGE MA 02142 617 491-9700
MOMENTA PHARMACEUTICALS INC (Subject) CIK: 0001235010 (see all company filings)

IRS No.: 043561634 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-79927 | Film No.: 19554955
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies