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    Merrimack Pharmaceuticals, Inc. (MACK)

    -NasdaqGM
    11.19 Up 0.28(2.57%) Dec 26, 4:00PM EST
    |After Hours : 11.00 Down 0.19 (1.70%) Dec 26, 4:47PM EST
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    Insider RosterGet Insider Roster for:
    Insider Holders*
    Individual/EntityMost Recent Trans.Shares Owned as of Trans. Date
    CROCKER GARY L
    Director
    Purchase
    Nov 13, 2014
    5,667,532
    Nov 13, 2014
    DRESSER JAMES VAN B.
    Director
    Option Exercise
    Jun 2, 2014
    168,974
    Jun 2, 2014
    FEHR GORDON J.
    Director
    Option Exercise
    May 12, 2014
    215,143
    May 12, 2014
    LAIVINS PETER N
    Officer
    Ownership Statement
    May 14, 2014
    2,000
    May 14, 2014
    MCCLEMENTS WILLIAM M.
    Officer
    Purchase
    Dec 12, 2013
    13,000
    Dec 12, 2013
    MULROY ROBERT J.
    Officer
    Option Exercise
    Dec 8, 2014
    1,339,316
    Dec 8, 2014
    NASH SARAH E
    Director
    Purchase
    May 7, 2014
    1,895,592
    May 7, 2014
    NIELSEN ULRIK B.
    Officer
    Option Exercise
    Aug 26, 2014
    226,811
    Aug 26, 2014
    NIYIKIZA CLET M.
    Officer
    Option Exercise
    Feb 5, 2013
    141,507
    Feb 5, 2013
    PORTER MICHAEL E
    Director
    Purchase
    Dec 2, 2014
    633,164
    Dec 2, 2014
    QUIGLEY JAMES H.
    Director
    Purchase
    May 19, 2014
    56,500
    May 19, 2014
    SINSKEY ANTHONY J
    Director
    Option Exercise
    Dec 18, 2014
    820,086
    Dec 18, 2014
    STEWART EDWARD J.
    Officer
    Option Exercise
    Dec 15, 2014
    21,385
    Dec 15, 2014
    SULLIVAN WILLIAM A.
    Officer
    Automatic Sale
    Sep 30, 2014
    11,000
    Sep 30, 2014

    View Transactions for Insiders & Institutional Holders

     
    * Insider roster data is derived solely from the last 24 months of Form 3 & Form 4 SEC filings.