Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000921895-19-000849
Filing Date
2019-03-20
Accepted
2019-03-20 19:44:09
Documents
1
Period of Report
2019-03-13

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT form312042002ary_03202019.html 3  
1 OWNERSHIP DOCUMENT form312042002ary_03202019.xml 3 2693
  Complete submission text file 0000921895-19-000849.txt   4100
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 (Issuer) CIK: 0001274792 (see all company filings)

EIN.: 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: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695739