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    Tesaro, Inc. (TSRO)

    -NasdaqGS
    57.66 Up 1.75(3.13%) Mar 30, 4:00PM EDT
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    Insider RosterGet Insider Roster for:
    Insider Holders*
    Individual/EntityMost Recent Trans.Shares Owned as of Trans. Date
    ALLEVA LAWRENCE M
    Director
    Purchase
    Sep 29, 2014
    25,285
    Sep 29, 2014
    ARMITAGE JAMES O
    Director
    Purchase
    Dec 12, 2014
    1,000

    Dec 12, 2014
    BARRETT M JAMES
    Beneficial Owner (10% or more)
    Sale
    Jun 10, 2013
    9,854,255
    Jun 10, 2013
    BARRIS PETER J
    Beneficial Owner (10% or more)
    Sale
    Jun 5, 2013
    9,855,209

    Jun 5, 2013
    BASKETT FOREST
    Beneficial Owner (10% or more)
    Sale
    Jun 5, 2013
    9,854,255

    Jun 5, 2013
    DRANT RYAN D
    Beneficial Owner (10% or more)
    Sale
    Jun 5, 2013
    9,854,255
    Jun 5, 2013
    INTERWEST MANAGEMENT PARTNERS X, LLC
    Other
    Disposition (Non Open Market)
    Aug 5, 2013
    2,471,701
    Aug 5, 2013
    INTERWEST PARTNERS X LP
    Other
    Disposition (Non Open Market)
    Aug 5, 2013
    2,471,701
    Aug 5, 2013
    KERINS PATRICK J
    Beneficial Owner (10% or more)
    Acquisition (Non Open Market)
    Jun 4, 2013
    9,855,084
    Jun 4, 2013
    KOLLURI KRISHNA KITTU
    Beneficial Owner (10% or more)
    Disposition (Non Open Market)
    Jun 27, 2013
    9,854,475

    Jun 27, 2013
    MOTT DAVID M
    Director
    Acquisition (Non Open Market)
    Jun 2, 2014
    9,863,761
    Jun 2, 2014
    NEA PARTNERS 13, LIMITED PARTNERSHIP
    Beneficial Owner (10% or more)
    Disposition (Non Open Market)
    Jun 4, 2013
    9,854,255
    Jun 4, 2013
    NEW ENTERPRISE ASSOCIATES 13 LP
    Beneficial Owner (10% or more)
    Disposition (Non Open Market)
    Jun 4, 2013
    9,854,255
    Jun 4, 2013
    ORONSKY ARNOLD L
    Director
    Acquisition (Non Open Market)
    Jan 12, 2015
    1,880,794
    Jan 12, 2015
    SANDELL SCOTT D
    Beneficial Owner (10% or more)
    Sale
    Jun 5, 2013
    9,854,255

    Jun 5, 2013
    SEIDENBERG BETH C
    Director
    Acquisition (Non Open Market)
    Jun 2, 2014
    15,565
    Jun 2, 2014
    VISWANATHAN RAVI
    Beneficial Owner (10% or more)
    Disposition (Non Open Market)
    Jun 4, 2013
    9,854,808

    Jun 4, 2013
    WALKER PAUL EDWARD
    Director
    Acquisition (Non Open Market)
    Jun 2, 2014
    4,041
    Jun 2, 2014
    WELLER HARRY R
    Beneficial Owner (10% or more)
    Sale
    Jun 10, 2013
    9,854,255

    Jun 10, 2013

    View Transactions for Insiders & Institutional Holders

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