Filing Details

Accession Number:
0000921895-19-002005
Form Type:
4
Zero Holdings:
No
Publication Time:
2019-07-15 16:32:08
Reporting Period:
2019-07-11
Accepted Time:
2019-07-15 16:32:08
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
1376960 Jason Aryeh 34 Sumner Rd.
Greenwich CT 06831
No No Yes Yes
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 2019-07-11 100 $5.71 100 No 4 P Direct
Common Stock Acquisiton 2019-07-12 2,400 $5.71 2,500 No 4 P Direct
Common Stock Acquisiton 2019-07-12 1,000 $5.62 3,500 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct
No 4 P Direct
No 4 P Direct
Footnotes
  1. The Reporting Person may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. The Reporting Person disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.