Filing Details

Accession Number:
0001209191-17-032046
Form Type:
4
Zero Holdings:
No
Publication Time:
2017-05-12 17:00:08
Reporting Period:
2017-05-12
Filing Date:
2017-05-12
Accepted Time:
2017-05-12 17:00:08
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
1702984 C Daryl Drummond C/O Merrimack Pharmaceuticals, Inc.
One Kendall Square, Suite B7201
Cambridge MA 02139
Head Of Research No Yes 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 2017-05-12 4,097 $2.69 105,828 No 4 M Indirect By Wife
Common Stock Disposition 2017-05-12 4,097 $3.72 101,731 No 4 S Indirect By Wife
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Indirect By Wife
No 4 S Indirect By Wife
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (right to buy) Disposition 2017-05-12 4,097 $0.00 4,097 $2.69
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2017-07-03 No 4 M Indirect
Footnotes
  1. This option is fully vested.