Filing Details

Accession Number:
0001179110-15-004842
Form Type:
4
Zero Holdings:
No
Publication Time:
2015-03-13 08:57:59
Reporting Period:
2015-03-11
Filing Date:
2015-03-13
Accepted Time:
2015-03-13 08:57:59
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1274792 Merrimack Pharmaceuticals Inc MACK Pharmaceutical Preparations (2834) 000000000
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1108494 E Michael Porter C/O Merrimack Pharmaceuticals, Inc.
One Kendall Square, Suite B7201
Cambridge MA 02139
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2015-03-11 5,000 $11.33 643,164 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct