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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000921895-19-001056
Filing Date
2019-04-09
Accepted
2019-04-09 18:39:20
Documents
1
Period of Report
2019-04-05

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT form410680006_04092019.html 4  
1 OWNERSHIP DOCUMENT form410680006_04092019.xml 4 11053
  Complete submission text file 0000921895-19-001056.txt   13971
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)

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

Mailing Address 1455 NW LEARY WAY SUITE 400 SEATTLE WA 98107
Business Address 1455 NW LEARY WAY SUITE 400 SEATTLE WA 98107 206-227-3078
22NW Fund, LP (Reporting) CIK: 0001640809 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 19740349

Mailing Address 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107
Business Address 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107 650-862-4295
22NW, LP (Reporting) CIK: 0001694297 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 19740350

Mailing Address 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107
Business Address
English Aron R. (Reporting) CIK: 0001770436 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 19740347

Mailing Address 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107
Business Address 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107 206-227-3078
22NW Fund GP, LLC (Reporting) CIK: 0001770575 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 19740348