Accession Number: | 0001179110-15-006470 |
Date: | 2015-04-20 |
Issuer: | MERRIMACK PHARMACEUTICALS INC (MACK) |
Original Submission Date: |
NIELSEN ULRIK B.
C/O MERRIMACK PHARMACEUTICALS, INC.
ONE KENDALL SQUARE, SUITE B7201
CAMBRIDGE, MA 02139
Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
---|---|---|---|---|---|---|---|---|---|
COMMON STOCK | 2015-04-20 | M | 15,000 | a | $1.71 | 241,811 | direct | ||
COMMON STOCK | 2015-04-20 | M | 25,000 | a | $1.81 | 266,811 | direct | ||
COMMON STOCK | 2015-04-20 | S | 40,000 | d | $12.88 | 226,811 | direct |
Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
---|---|---|---|---|---|---|---|---|---|---|---|---|
STOCK OPTION (RIGHT TO BUY) | 1.71 | 2015-04-20 | deemed execution date | M | 15,000 (d) | 2015-08-03 | common stock 15,000 | $1.71 | 0 | direct | ||
STOCK OPTION (RIGHT TO BUY) | 1.81 | 2015-04-20 | deemed execution date | M | 25,000 (d) | 2018-09-22 | common stock 25,000 | $1.81 | 225,000 | direct |
ID | footnote |
---|---|
f1 | this transaction was effected pursuant to a rule 10b5-1 trading plan. |
f2 | the price reported in column 4 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $12.75 to $13.14, inclusive. the reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the securities and exchange commission, upon request, full information regarding the number of shares sold at each separate price within such range. |
f3 | this option is fully vested. |