Filing Details

Accession Number:
0000899243-22-000473
Form Type:
4
Zero Holdings:
No
Publication Time:
2022-01-04 16:05:24
Reporting Period:
2021-12-31
Accepted Time:
2022-01-04 16:05:24
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1274792 Merrimack Pharmaceuticals Inc MACK () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1225960 T Russell Ray C/O Merrimack Pharmaceuticals, Inc.
One Broadway 14Th Floor
Cambridge MA 02142
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 Disposition 2021-12-31 1,000 $3.84 0 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct