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    Merrimack Pharmaceuticals, Inc. (MACK)

    -NasdaqGM
    6.63 May 5, 4:00PM EDT
    Insider RosterGet Insider Roster for:
    Insider Holders*
    Individual/EntityMost Recent Trans.Shares Owned as of Trans. Date
    CROCKER GARY L
    Director
    Option Exercise
    Apr 2, 2015
    5,802,922
    Apr 2, 2015
    DINEEN JOHN M.
    Director
    Purchase
    Aug 12, 2015
    100,000
    Aug 12, 2015
    DRESSER JAMES VAN B.
    Director
    Option Exercise
    Jun 2, 2014
    168,974
    Jun 2, 2014
    FEHR GORDON J.
    Director
    Option Exercise
    Apr 13, 2015
    215,143
    Apr 13, 2015
    LAIVINS PETER N
    Officer
    Ownership Statement
    May 14, 2014
    2,000
    May 14, 2014
    LEE VIVIAN S
    Director
    Purchase
    Feb 29, 2016
    65,000
    Feb 29, 2016
    MCCLEMENTS WILLIAM M.
    Officer
    Purchase
    Feb 29, 2016
    14,072
    Feb 29, 2016
    MULROY ROBERT J.
    Officer
    Sale
    Mar 24, 2015
    1,683,328
    Mar 24, 2015
    NASH SARAH E
    Director
    Purchase
    May 7, 2014
    955,296
    May 7, 2014
    NIELSEN ULRIK B.
    Director
    Automatic Sale
    Jul 20, 2015
    226,811
    Jul 20, 2015
    PORTER MICHAEL E
    Director
    Purchase
    Mar 17, 2016
    754,448
    Mar 17, 2016
    QUIGLEY JAMES H.
    Director
    Purchase
    May 19, 2014
    56,500
    May 19, 2014
    RAY RUSSELL T
    Director
    Ownership Statement
    Jan 1, 2015
    10,000

    Jan 1, 2015
    SCHOEBERL BIRGIT M.
    Officer
    Option Exercise
    Jun 9, 2015
    65,657
    Jun 9, 2015
    SINSKEY ANTHONY J
    Director
    Sale
    Dec 18, 2014
    820,086
    Dec 18, 2014
    STEWART EDWARD J.
    Officer
    Automatic Sale
    Jan 5, 2016
    21,385
    Jan 5, 2016
    SULLIVAN WILLIAM A.
    Officer
    Option Exercise
    Jul 15, 2015
    11,000
    Jul 15, 2015

    View Transactions for Insiders & Institutional Holders

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