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Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Bruce KovnerDirector, 10% Owner3,092,6772.3%2015-06-30
Dr. Safi R. Bahcall,PhDPresident and CEO1,853,1351.38%2013-12-31
Robert N. WilsonDirector760,9360.57%2015-07-01
Dr. Lan Bo Chen,PhD10% Owner620,0350.46%2009-08-06
Keith R. GollustDirector401,7640.3%2015-07-01
Chen SchorN/A300,0000.22%2015-06-05
Marc R. SchneebaumN/A75,000less than 0.1%2014-12-08
Dr. Sumant Ramachandra,M.D.,PhDN/A75,000less than 0.1%2013-03-11
William S. ReardonDirector49,392less than 0.1%2015-07-01
Dr. James G. Barsoum,PhDN/A40,000less than 0.1%2007-02-05

Insider Charts

Insider Transactions

Insider Position Date Buy/Sell Shares Shares Owned Following This (Direct & Indirect) Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
Share Ownership Details
Kovner BruceDirector, 10% Owner2015-04-06Buy6,857,14337,061,186$1.751200021.143,060,860 (Direct)
15,278,610 (By KFO Holdings LLC)
5,460,000 (By OB Select Opportunities, LLC)
3,100,000 (By Kovner 2012 Family Trust B)
250,000 (By Kovner 2011 Family Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012 Family Trust A)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
7,761,716 (By CxSynta LLC)
Gollust Keith RDirector2015-04-06Buy350,0003,700,149$1.75612.521.14351,766 (Direct)
3,173,383 (By Wyandanch Partners, L.P.)
175,000 (By Keith R. Gollust IRA)
WILSON ROBERT NDirector2015-04-06Buy50,000754,118$1.7587.521.14754,118 (Direct)
Kovner BruceDirector, 10% Owner2014-09-30Buy300,00030,204,043$3.08924-31.173,060,860 (Direct)
8,421,467 (By KFO Holdings LLC)
5,460,000 (By OB Select Opportunities, LLC)
3,100,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011 Family Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
7,761,716 (By CxSynta LLC)
Kovner BruceDirector, 10% Owner2014-04-11Buy1,250,00029,891,849$4.015012.5-47.133,048,666 (Direct)
8,121,467 (By KFO Holdings LLC)
5,460,000 (By OB Select Opportunities, LLC)
3,100,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011 Family Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
7,761,716 (By CxSynta LLC)
Bahcall Safi RPresident and CEO
(Click for the stocks that their CEOs have bought)
2013-11-13Buy20,0002,533,135$3.7575-43.472,053,135 (Direct)
15,000 (By Safi R. Bahcall Irrevocable Trust)
65,000 (By Neta Bahcall 2012 Irrevocable Trust)
400,000 (By Princeton GRAT)
REARDON WILLIAM SDirector2013-11-13Buy13,33336,561$3.7550-43.4736,561 (Direct)
Gollust Keith RDirector2013-11-13Buy150,0003,330,638$3.75562.5-43.47332,255 (Direct)
2,823,383 (By Wyandanch Partners, L.P.)
175,000 (By Keith R. Gollust Roth IRA)
Kovner BruceDirector, 10% Owner2013-11-13Buy5,000,00028,641,849$3.7518750-43.476,130,330 (Direct)
1,600,000 (By OB Select Opportunities, LLC)
7,649,803 (By KFO Holdings LLC)
3,100,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
7,761,716 (By CxSynta LLC)
Bahcall Safi RPresident and CEO2013-06-28Buy10,0002,513,135$5.0350.3-57.852,033,135 (Direct)
15,000 (By Safi R. Bahcall Irrevocable Trust)
65,000 (By Neta Bahcall 2012 Irrevocable Trust)
400,000 (By Princeton GRAT)
Kovner BruceDirector, 10% Owner2013-06-27Buy150,00023,631,849$4.71706.5-54.996,170,330 (Direct)
3,100,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
4,199,803 (By KFO Holdings LLC)
7,761,716 (By CxSynta LLC)
Kovner BruceDirector, 10% Owner2013-06-26Buy500,00023,481,849$4.532265-53.26,170,330 (Direct)
2,950,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
4,199,803 (By KFO Holdings LLC)
7,761,716 (By CxSynta LLC)
Bahcall Safi RPresident and CEO2013-06-21Buy20,0002,503,135$4.1282.4-48.542,023,135 (Direct)
15,000 (By Safi R. Bahcall Irrevocable Trust)
65,000 (By Neta Bahcall 2012 Irrevocable Trust)
400,000 (By Princeton GRAT)
Kovner BruceDirector, 10% Owner2013-06-21Buy250,00022,781,849$4.391097.5-51.716,170,330 (Direct)
2,250,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
4,199,803 (By KFO Holdings LLC)
7,761,716 (By CxSynta LLC)
Kovner BruceDirector, 10% Owner2013-06-18Buy200,00022,731,849$4800-476,170,330 (Direct)
2,200,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
4,199,803 (By KFO Holdings LLC)
7,761,716 (By CxSynta LLC)
Bahcall Safi RPresident and CEO2013-06-14Buy10,0002,483,135$4.0640.6-47.782,003,135 (Direct)
15,000 (By Safi R. Bahcall Irrevocable Trust)
65,000 (By Neta Bahcall 2012 Irrevocable Trust)
400,000 (By Princeton GRAT)
Bahcall Safi RPresident and CEO2013-06-06Buy10,0002,473,135$4.0440.4-47.521,993,135 (Direct)
15,000 (By Safi R. Bahcall Irrevocable Trust)
65,000 (By Neta Bahcall 2012 Irrevocable Trust)
400,000 (By Princeton GRAT)
Kovner BruceDirector, 10% Owner2013-06-06Buy2,000,00022,531,849$4.649280-54.316,170,330 (Direct)
2,000,000 (By Kovner 2012 Family Trust B)
125,000 (By Kovner 2011-A Investment Trust)
125,000 (By Kovner 2011-B Investment Trust)
125,000 (By Kovner 2011-C Investment Trust)
125,000 (By Kovner 2011-D Investment Trust)
475,000 (By Kovner 2012-A Synta Investment Trust)
475,000 (By Kovner 2012-B Synta Investment Trust)
475,000 (By Kovner 2012-C Synta Investment Trust)
475,000 (By Kovner 2012-D Synta Investment Trust)
4,199,803 (By KFO Holdings LLC)
7,761,716 (By CxSynta LLC)
Vukovic VojoSVP, Chief Medical Officer2013-06-05Buy10,00035,249$4.5845.8-53.7135,249 (Direct)
WILSON ROBERT NDirector2013-06-04Buy10,000699,679$550-57.6699,679 (Direct)

Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.

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