|4/AMay 1, 8:23 AM ET

Dresser James van B. 4/A

4/A · MERRIMACK PHARMACEUTICALS INC · Filed May 1, 2012

Insider Transaction Report

Form 4/AAmended
Period: 2012-04-10
Transactions
  • Exercise/Conversion

    Stock Option (right to buy)

    2012-04-105,4620 total
    Exercise: $2.19Exp: 2012-05-03Common Stock (5,462 underlying)
  • Exercise/Conversion

    Common Stock

    2012-04-10$2.19/sh+5,462$11,962108,974 total
Footnotes (3)
  • [F1]This option is fully vested.
  • [F2]The original Form 4 neglected to list the deemed execution date.
  • [F3]The original Form 4 inadvertently listed the exercise of this option as an acquisition, as opposed to a disposition.

Documents

1 file
  • 4
    edgar.xml

    FORM 4/A -