EDGAR Filing Documents for 0001179110-13-010324

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001179110-13-010324

Filing Date

2013-06-13

Accepted

2013-06-13 16:51:16

Documents

Period of Report

2013-06-11

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 4 -	edgar.html	4
1	FORM 4 -	edgar.xml	4	4210
	Complete submission text file	0001179110-13-010324.txt		5615

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 MERRIMACK PHARMACEUTICALS, INC. ONE KENDALL SQUARE, SUITE B7201 CAMBRIDGE MA 02139

Business Address

Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 13911948