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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000921895-19-000847
Filing Date
2019-03-20
Accepted
2019-03-20 19:38:19
Documents
1
Period of Report
2019-03-13

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT form312042002mac_03202019.html 3  
1 OWNERSHIP DOCUMENT form312042002mac_03202019.xml 3 10098
  Complete submission text file 0000921895-19-000847.txt   13543
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 2110 RANCH ROAD 620S #341732 LAKEWAY TX 78734
Business Address 2110 RANCH ROAD 620S #341732 LAKEWAY TX 78734 5122150510
JFL Partners Fund LP (Reporting) CIK: 0001626392 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695706

Mailing Address 2110 RANCH ROAD 620 S 341732 LAKEWAY TX 78734
Business Address 2110 RANCH ROAD 620 S 341732 LAKEWAY TX 78734 5127614500
JFL Capital Management, LLC (Reporting) CIK: 0001687888 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695708

Mailing Address 2110 RANCH ROAD 620 S, #341732 LAKEWAY TX 78734
Business Address 2110 RANCH ROAD 620 S, #341732 LAKEWAY TX 78734 (512) 761-4500
JFL Capital Management LP (Reporting) CIK: 0001770400 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695709

Mailing Address 2110 RANCH ROAD 620 S, #341732 LAKEWAY TX 78734
Business Address
Lawler Joseph F. (Reporting) CIK: 0001770401 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695707

Mailing Address 2110 RANCH ROAD 620 S, #341732 LAKEWAY TX 78734
Business Address 2110 RANCH ROAD 620 S, #341732 LAKEWAY TX 78734 (512) 761-4500
JFL Capital Holdings LLC (Reporting) CIK: 0001770405 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35409 | Film No.: 19695710