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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000921895-19-002020
Filing Date
2019-07-18
Accepted
2019-07-18 19:38:02
Documents
1
Period of Report
2019-07-16

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT form412042002_07182019.html 4  
1 OWNERSHIP DOCUMENT form412042002_07182019.xml 4 3630
  Complete submission text file 0000921895-19-002020.txt   5020
Mailing Address ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142
Business Address ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142 617-441-1000
MERRIMACK PHARMACEUTICALS INC (Issuer) CIK: 0001274792 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 11119 NORTH TORREY PINES ROAD SUITE 200 LA JOLLA CA 92037
Business Address
Aryeh Jason (Reporting) CIK: 0001376960 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 19962179