• FirefoxUpgrade to the new Firefox »
  •  Dow Up0.03% Nasdaq Up0.17%

    Epizyme, Inc. (EPZM)

    -NasdaqGS
    17.71 Up 0.01(0.06%) Dec 24, 1:00PM EST
    Add to Portfolio
    Insider TransactionsGet Insider Transactions for:
    Net Share Purchase Activity
    Insider Purchases - Last 6 Months
     SharesTrans
    PurchasesN/A0
    Sales955,93037
    Net Shares Purchased
    (Sold)
    (955,930)37
    Total Insider Shares Held11.69MN/A
    % Net Shares Purchased
    (Sold)
    (7.6%)N/A
    Net Institutional Purchases - Prior Qtr to Latest Qtr
     Shares
    Net Shares Purchased
    (Sold)
    4,863,090
    % Change in Institutional Shares Held16.96%
    Data provided by Thomson Financial


    Insider Transactions Reported - Last Two Years
    DateInsiderSharesTypeTransactionValue*
    Dec 16, 2014HO PETER TAI-CHINGOfficer400IndirectPurchase at $17.63 per share.7,051
    Dec 10, 2014BATE KENNETHDirectorN/ADirectStatement of OwnershipN/A
    Dec 2, 2014HO PETER TAI-CHINGOfficer200DirectPurchase at $21.19 per share.4,238
    Dec 2, 2014HO PETER TAI-CHINGOfficer800IndirectPurchase at $21.16 per share.16,928
    Nov 17, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $22.68 per share.453,600
    Nov 17, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $2.19 per share.43,800
    Nov 3, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $25.33 - $26.1 per share.514,0002
    Nov 3, 2014GARBACZ STEPHENOfficer868DirectOption Exercise at $2.19 per share.1,900
    Nov 3, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Nov 3, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $24.77 - $26.44 per share.768,0002
    Nov 3, 2014GARBACZ STEPHENOfficer868DirectAutomatic Sale at $26.44 per share.22,949
    Nov 3, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $0.60 - $2.19 per share.N/A
    Oct 23, 2014GARBACZ STEPHENOfficer535DirectOption Exercise at $3.54 per share.1,893
    Oct 23, 2014GARBACZ STEPHENOfficer535DirectAutomatic Sale at $30 per share.16,050
    Oct 15, 2014HEDRICK ERICOfficer2,000DirectOption Exercise at $2.19 per share.4,380
    Oct 15, 2014HEDRICK ERICOfficer2,000DirectAutomatic Sale at $23.38 per share.46,760
    Oct 7, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $26.86 - $27.74 per share.546,0002
    Oct 7, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $0.60 per share.12,000
    Oct 1, 2014GARBACZ STEPHENOfficer868DirectOption Exercise at $2.19 per share.1,900
    Oct 1, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Oct 1, 2014GARBACZ STEPHENOfficer13,073DirectStatement of OwnershipN/A
    Oct 1, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $26.26 - $27.06 per share.800,0002
    Oct 1, 2014GARBACZ STEPHENOfficer868DirectAutomatic Sale at $27.06 per share.23,488
    Sep 22, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $0.60 per share.12,000
    Sep 22, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $25.55 per share.511,000
    Sep 22, 2014RHODES JASON POfficer44,000DirectOption Exercise at $0.51 per share.22,440
    Sep 15, 2014HEDRICK ERICOfficer2,000DirectAutomatic Sale at $28.67 per share.57,340
    Sep 15, 2014HEDRICK ERICOfficer2,000DirectOption Exercise at $2.19 per share.4,380
    Sep 11, 2014HO PETER TAI-CHINGOfficerN/ADirectStatement of OwnershipN/A
    Sep 4, 2014GOLDFISCHER CARLDirector4,000IndirectSale at $35.14 per share.140,560
    Sep 2, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $33.35 - $33.85 per share.1,008,0002
    Sep 2, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Sep 2, 2014RHODES JASON POfficer30,000DirectAutomatic Sale at $33.37 - $33.89 per share.1,009,0002
    Sep 2, 2014RHODES JASON POfficer42,000DirectOption Exercise at $0.60 - $3.54 per share.N/A
    Aug 26, 2014GOLDFISCHER CARLDirector200,000IndirectSale at $35.14 per share.7,028,000
    Aug 26, 2014BAY CITY CAPITAL LLCBeneficial Owner (10% or more)200,000IndirectSale at $35.14 per share.7,028,000
    Aug 25, 2014BAY CITY CAPITAL LLCBeneficial Owner (10% or more)200,000IndirectSale at $35.13 - $36.4 per share.7,153,0002
    Aug 25, 2014GOLDFISCHER CARLDirector200,000IndirectSale at $35.13 - $36.4 per share.7,153,0002
    Aug 22, 2014WELLER HARRY RBeneficial Owner (10% or more)487IndirectAcquisition (Non Open Market) at $33.40 - $33.45 per share.16,0002
    Aug 22, 2014GOLDFISCHER CARLDirector128,000IndirectSale at $32.46 per share.4,154,880
    Aug 22, 2014BAY CITY CAPITAL LLCBeneficial Owner (10% or more)128,000IndirectSale at $32.46 per share.4,154,880
    Aug 21, 2014BAY CITY CAPITAL LLCBeneficial Owner (10% or more)38,666IndirectSale at $33.04 per share.1,277,524
    Aug 21, 2014GOLDFISCHER CARLDirector38,666IndirectSale at $33.04 per share.1,277,524
    Aug 18, 2014VISWANATHAN RAVIBeneficial Owner (10% or more)433IndirectSale at $35.56 per share.15,397
    Aug 18, 2014COPELAND ROBERT AOfficer5,305DirectAutomatic Sale at $35.93 - $36.52 per share.192,0002
    Aug 18, 2014COPELAND ROBERT AOfficer5,525IndirectAutomatic Sale at $35.93 - $36.52 per share.200,0002
    Aug 15, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)651IndirectSale at $36.57 per share.23,807
    Aug 15, 2014BASKETT FORESTBeneficial Owner (10% or more)3,970IndirectSale at $36.45 - $37.03 per share.146,0002
    Aug 15, 2014BARRIS PETER JBeneficial Owner (10% or more)3,411IndirectSale at $36.45 - $36.94 per share.125,0002
    Aug 15, 2014DRANT RYAN DBeneficial Owner (10% or more)455DirectSale at $36.72 per share.16,707
    Aug 15, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)651IndirectSale at $36.57 per share.23,807
    Aug 15, 2014BARRETT M JAMESBeneficial Owner (10% or more)325DirectSale at $35.93 per share.11,677
    Aug 15, 2014DRANT RYAN DBeneficial Owner (10% or more)3,606IndirectSale at $36.45 - $36.94 per share.132,0002
    Aug 15, 2014HEDRICK ERICOfficer2,000DirectAutomatic Sale at $38.60 per share.77,200
    Aug 15, 2014SANDELL SCOTT DBeneficial Owner (10% or more)3,411IndirectSale at $36.45 - $36.94 per share.125,0002
    Aug 15, 2014BARRETT M JAMESBeneficial Owner (10% or more)3,736IndirectSale at $35.67 - $36.94 per share.136,0002
    Aug 15, 2014HEDRICK ERICOfficer2,000DirectOption Exercise at $2.19 per share.4,380
    Aug 14, 2014NEW ENTERPRISE ASSOCIATES 13 LPBeneficial Owner (10% or more)1,290,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BASKETT FORESTBeneficial Owner (10% or more)16,870IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KERINS PATRICK JBeneficial Owner (10% or more)651DirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KERINS PATRICK JBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014WELLER HARRY RBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KERINS PATRICK JBeneficial Owner (10% or more)12,900IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)13,551IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014WELLER HARRY RBeneficial Owner (10% or more)13,387IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014NEA PARTNERS 13, LIMITED PARTNERSHIPBeneficial Owner (10% or more)1,290,000IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014VISWANATHAN RAVIBeneficial Owner (10% or more)13,333IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014VISWANATHAN RAVIBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014NEA PARTNERS 13, LIMITED PARTNERSHIPBeneficial Owner (10% or more)12,900DirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014NEA PARTNERS 13, LIMITED PARTNERSHIPBeneficial Owner (10% or more)12,900DirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014SANDELL SCOTT DBeneficial Owner (10% or more)16,962IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014MOTT DAVID MDirector13,551IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BASKETT FORESTBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BARRETT M JAMESBeneficial Owner (10% or more)16,636IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014SANDELL SCOTT DBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BARRETT M JAMESBeneficial Owner (10% or more)325DirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BARRIS PETER JBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BARRETT M JAMESBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014DRANT RYAN DBeneficial Owner (10% or more)1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014DRANT RYAN DBeneficial Owner (10% or more)455DirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014DRANT RYAN DBeneficial Owner (10% or more)16,506IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)13,551IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014BARRIS PETER JBeneficial Owner (10% or more)17,059IndirectAcquisition (Non Open Market) at $0 per share.N/A
    Aug 14, 2014MOTT DAVID MDirector1,302,900IndirectDisposition (Non Open Market) at $0 per share.N/A
    Aug 4, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $0.60 per share.12,000
    Aug 4, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $29.08 - $29.88 per share.590,0002
    Aug 4, 2014RHODES JASON POfficer42,000DirectOption Exercise at $0.60 - $3.54 per share.N/A
    Aug 4, 2014RHODES JASON POfficer30,000DirectAutomatic Sale at $29.26 - $30.05 per share.890,0002
    Aug 1, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Aug 1, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $29.96 - $30.78 per share.911,0002
    Jul 15, 2014HEDRICK ERICOfficer2,000DirectAutomatic Sale at $31.35 per share.62,700
    Jul 15, 2014HEDRICK ERICOfficer2,000DirectOption Exercise at $2.19 per share.4,380
    Jul 7, 2014RHODES JASON POfficer30,000DirectAutomatic Sale at $32.52 - $33.55 per share.991,0002
    Jul 7, 2014RHODES JASON POfficer42,000DirectOption Exercise at $0.51 - $3.54 per share.N/A
    Jul 1, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $31.52 - $31.89 per share.951,0002
    Jul 1, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Jun 23, 2014COPELAND ROBERT AOfficer20,000DirectAutomatic Sale at $28.26 - $28.88 per share.571,0002
    Jun 23, 2014COPELAND ROBERT AOfficer20,000DirectOption Exercise at $0.51 - $0.6 per share.11,0002
    Jun 16, 2014COPELAND ROBERT AOfficer12,256DirectAutomatic Sale at $26.38 per share.323,313
    Jun 16, 2014COPELAND ROBERT AOfficer12,756IndirectAutomatic Sale at $26.38 per share.336,503
    Jun 16, 2014HEDRICK ERICOfficer2,000DirectOption Exercise at $2.19 per share.4,380
    Jun 16, 2014HEDRICK ERICOfficer2,000DirectAutomatic Sale at $26.42 per share.52,840
    Jun 9, 2014ALLEN ANDREW RDirectorN/ADirectStatement of OwnershipN/A
    Jun 2, 2014COPELAND ROBERT AOfficer38,400DirectAutomatic Sale at $22.21 - $23.21 per share.872,0002
    Jun 2, 2014RHODES JASON POfficer30,000DirectAutomatic Sale at $22.14 - $23.36 per share.683,0002
    Jun 2, 2014COPELAND ROBERT AOfficer38,400DirectOption Exercise at $0.51 per share.19,584
    Jun 2, 2014RHODES JASON POfficer42,000DirectOption Exercise at $0.51 - $3.54 per share.N/A
    Jun 2, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Jun 2, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $22.15 - $23.34 per share.682,0002
    May 19, 2014COPELAND ROBERT AOfficer2,550IndirectAutomatic Sale at $22.28 per share.56,814
    May 19, 2014COPELAND ROBERT AOfficer2,450DirectAutomatic Sale at $22.28 per share.54,586
    May 5, 2014RHODES JASON POfficer30,000DirectAutomatic Sale at $21.53 per share.645,900
    May 5, 2014COPELAND ROBERT AOfficer5,100IndirectAutomatic Sale at $21.29 per share.108,579
    May 5, 2014COPELAND ROBERT AOfficer4,900DirectAutomatic Sale at $21.29 per share.104,321
    May 5, 2014RHODES JASON POfficer42,000DirectOption Exercise at $0.51 - $3.54 per share.N/A
    May 1, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $21.89 - $22.28 per share.663,0002
    May 1, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Apr 28, 2014COPELAND ROBERT AOfficer13,800DirectOption Exercise at $0.51 per share.7,038
    Apr 28, 2014COPELAND ROBERT AOfficer13,800DirectAutomatic Sale at $20.73 per share.286,074
    Apr 7, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.51 per share.15,300
    Apr 7, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $20.22 per share.606,600
    Apr 7, 2014RHODES JASON POfficer35,000DirectOption Exercise at $0.51 per share.17,850
    Apr 7, 2014RHODES JASON POfficer25,000DirectAutomatic Sale at $20.05 per share.501,249
    Feb 10, 2014HEDRICK ERICOfficer13,500DirectSale at $29.25 per share.394,875
    Feb 10, 2014HEDRICK ERICOfficer13,500DirectOption Exercise at $2.19 per share.29,565
    Feb 10, 2014SEIDENBERG BETH CDirector388,584IndirectSale at $27.64 per share.10,740,461
    Feb 10, 2014GOLDFISCHER CARLDirector466,667IndirectSale at $29.25 per share.13,650,009
    Feb 10, 2014BAY CITY CAPITAL LLCBeneficial Owner (10% or more)466,667IndirectSale at $29.25 per share.13,650,009
    Feb 10, 2014EVNIN LUKEBeneficial Owner (10% or more)466,666IndirectSale at $29.25 per share.13,649,980
    Feb 10, 2014GOULD ROBERT JOfficer60,000DirectOption Exercise at $0.51 per share.30,600
    Feb 10, 2014RHODES JASON POfficer70,000DirectOption Exercise at $0.51 - $3.54 per share.N/A
    Feb 10, 2014GOULD ROBERT JOfficer60,000DirectSale at $29.25 per share.1,755,000
    Feb 10, 2014COPELAND ROBERT AOfficer19,179DirectSale at $29.25 per share.560,985
    Feb 10, 2014KPCB XIII ASSOCIATES, LLCBeneficial Owner (10% or more)388,584DirectSale at $27.64 per share.10,740,461
    Feb 10, 2014RHODES JASON POfficer50,000DirectSale at $29.25 per share.1,462,500
    Feb 10, 2014CELGENE EUROPEAN INVESTMENT CO LLCBeneficial Owner (10% or more)340,000DirectPurchase at $29.25 per share.9,945,000
    Feb 10, 2014MPM BIOVENTURES IV QP LPBeneficial Owner (10% or more)466,666IndirectSale at $29.25 per share.13,649,980
    Jan 13, 2014COPELAND ROBERT AOfficer5,552IndirectAutomatic Sale at $38.86 - $39.86 per share.219,0002
    Jan 13, 2014COPELAND ROBERT AOfficer9,454DirectAutomatic Sale at $38.86 - $39.86 per share.372,0002
    Jan 6, 2014RHODES JASON POfficer14,000DirectOption Exercise at $0.51 per share.7,140
    Jan 6, 2014RHODES JASON POfficer10,000DirectAutomatic Sale at $20.19 per share.201,900
    Jan 2, 2014GOULD ROBERT JOfficer30,000DirectAutomatic Sale at $20.16 - $20.18 per share.605,0002
    Jan 2, 2014GOULD ROBERT JOfficer30,000DirectOption Exercise at $0.30 - $0.51 per share.N/A
    Dec 16, 2013COPELAND ROBERT AOfficer4,600DirectOption Exercise at $2.19 per share.10,074
    Dec 16, 2013COPELAND ROBERT AOfficer4,600DirectAutomatic Sale at $21.21 per share.97,565
    Dec 2, 2013COPELAND ROBERT AOfficer1,850IndirectAutomatic Sale at $20.70 per share.38,295
    Dec 2, 2013COPELAND ROBERT AOfficer3,150DirectAutomatic Sale at $20.70 per share.65,205
    Nov 15, 2013NEW ENTERPRISE ASSOCIATES 13 LPBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013MOTT DAVID MDirector49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013BARRIS PETER JBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013WELLER HARRY RBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013SANDELL SCOTT DBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013VISWANATHAN RAVIBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013KERINS PATRICK JBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013BARRETT M JAMESBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013DRANT RYAN DBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 15, 2013BASKETT FORESTBeneficial Owner (10% or more)49,500IndirectPurchase at $19.31 - $20.31 per share.981,0002
    Nov 14, 2013BARRETT M JAMESBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013VISWANATHAN RAVIBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013KERINS PATRICK JBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013SANDELL SCOTT DBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013BARRIS PETER JBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013BASKETT FORESTBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013NEW ENTERPRISE ASSOCIATES 13 LPBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013DRANT RYAN DBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013WELLER HARRY RBeneficial Owner (10% or more)357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Nov 14, 2013MOTT DAVID MDirector357,000IndirectPurchase at $19.04 - $20.91 per share.7,131,0002
    Jun 5, 2013ASTELLAS VENTURE FUND I L.P.Beneficial Owner (10% or more)15,333DirectPurchase at $15 per share.229,995
    Jun 5, 2013EVNIN LUKEBeneficial Owner (10% or more)2,702,154IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013KERINS PATRICK JBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013BASKETT FORESTBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013GOLDFISCHER CARLDirector3,492,063IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013GOLDFISCHER CARLDirector166,666IndirectPurchase at $15 per share.2,499,990
    Jun 5, 2013BARRIS PETER JBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013KERINS PATRICK JBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013BARRETT M JAMESBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013ASTELLAS VENTURE FUND I L.P.Beneficial Owner (10% or more)634,920DirectAcquisition (Non Open Market) N/A
    Jun 5, 2013SEIDENBERG BETH CDirector4,226,751IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013NEW ENTERPRISE ASSOCIATES 13 LPBeneficial Owner (10% or more)5,633,240DirectAcquisition (Non Open Market) N/A
    Jun 5, 2013NEW ENTERPRISE ASSOCIATES 13 LPBeneficial Owner (10% or more)400,000DirectPurchase at $15 per share.6,000,000
    Jun 5, 2013BARRIS PETER JBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013BARRETT M JAMESBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013KLEINER PERKINS CAUFIELD & BYERS XIII, LLCBeneficial Owner (10% or more)4,226,751DirectAcquisition (Non Open Market) N/A
    Jun 5, 2013VISWANATHAN RAVIBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013MPM BIOVENTURES IV QP LPBeneficial Owner (10% or more)2,702,154IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013DRANT RYAN DBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013CELGENE EUROPEAN INVESTMENT CO LLCBeneficial Owner (10% or more)66,666DirectPurchase at $15 per share.999,990
    Jun 5, 2013AMGEN VENTURES LLCBeneficial Owner (10% or more)317,460DirectAcquisition (Non Open Market) N/A
    Jun 5, 2013AMGEN VENTURES LLCBeneficial Owner (10% or more)16,666DirectPurchase at $15 per share.249,990
    Jun 5, 2013VISWANATHAN RAVIBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013DRANT RYAN DBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013BAY CITY CAPITAL LLCBeneficial Owner (10% or more)3,492,063IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013WELLER HARRY RBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013WELLER HARRY RBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013CELGENE EUROPEAN INVESTMENT CO LLCBeneficial Owner (10% or more)3,267,974DirectAcquisition (Non Open Market) N/A
    Jun 5, 2013BASKETT FORESTBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013MOTT DAVID MDirector400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013BAY CITY CAPITAL LLCBeneficial Owner (10% or more)166,666IndirectPurchase at $15 per share.2,499,990
    Jun 5, 2013MOTT DAVID MDirector5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013SANDELL SCOTT DBeneficial Owner (10% or more)400,000IndirectPurchase at $15 per share.6,000,000
    Jun 5, 2013KOLLURI KRISHNA KITTUBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    Jun 5, 2013SANDELL SCOTT DBeneficial Owner (10% or more)5,633,240IndirectAcquisition (Non Open Market) N/A
    May 30, 2013COPELAND ROBERT AOfficer56,694DirectStatement of OwnershipN/A
    May 30, 2013COPELAND ROBERT AOfficer33,333IndirectStatement of OwnershipN/A
    May 30, 2013SHIOSAKI KAZUMIDirector246,666DirectStatement of OwnershipN/A
    May 30, 2013MPM BIOVENTURES IV QP LPBeneficial Owner (10% or more)178,331IndirectStatement of OwnershipN/A
    May 30, 2013DANIEL THOMAS ODirectorN/ADirectStatement of OwnershipN/A
    May 30, 2013HORVITZ H ROBERTBeneficial Owner (10% or more)24,660IndirectStatement of OwnershipN/A
    May 30, 2013HORVITZ H ROBERTBeneficial Owner (10% or more)161,876DirectStatement of OwnershipN/A
    May 30, 2013ZHANG YIBeneficial Owner (10% or more)170,000DirectStatement of OwnershipN/A
    May 30, 2013EVNIN LUKEBeneficial Owner (10% or more)178,331IndirectStatement of OwnershipN/A
    May 30, 2013POPS RICHARD FDirector60,000DirectStatement of OwnershipN/A
    Data provided by EDGAR Online
    * = Where indicated, some values are estimates.
    1= Potential proceeds estimated by the filer.
    2= Estimated based on the average of multiple prices reported.
    3= Multiple dates reported. Most recent date shown.

    Currency in USD.



    All Major Holders - Insider Roster