Switch to:

Top Direct Holders

HolderPositionShares% of Shares
Report Date
Dr. Thomas B. Okarma,PhDPresident and CEO774,5600.49%2010-07-09
David L. GreenwoodPresident, Interim CEO, CFO754,0310.48%2011-06-14
Jane S. Lebkowski,PhDSVP, Chief Scientific Officer568,1540.36%2011-06-14
Dr. David J. Earp,PhDSVP, Corp Transactions467,4060.3%2012-06-01
Dr. Alexander E. Barkas,PhDN/A353,1220.22%2011-05-20
Dr. Katharine E. Spink,PhDSVP Alliance Mgmt & Operations328,5610.21%2011-06-14
Ms. Melanie I. NallicheriN/A195,0000.12%2011-05-20
Edward V. FritzkyN/A186,5110.12%2013-05-22
Thomas D. KileyDirector171,9110.11%2013-05-22
Daniel M. BradburyDirector142,776less than 0.1%2014-05-09

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
BEHRS MELISSA KELLYEVP BD and Port&Alliance Mgmt2015-05-29Sell2,380120,635$3.849.132.81120,635 (Direct)
Bloom Olivia KyusukEVP, CFO
(Click for the stocks that their CFOs have bought)
2015-05-29Sell2,38074,588$3.849.132.8174,588 (Direct)
Hofstaetter ThomasDirector2015-03-18Sell70,00026,564$4.128724.3926,564 (Direct)
Bloom Olivia KyusukEVP, CFO
(Click for the stocks that their CFOs have bought)
2014-05-29Sell3,37981,968$2.17.1142.8681,968 (Direct)
BEHRS MELISSA KELLYEVP Portfolio & Alliance Mgmt2014-05-29Sell4,826143,015$2.110.1142.86143,015 (Direct)
BRADBURY DANIELDirector2014-05-09Buy142,776142,776$1.75249.9191.43142,776 (Direct)
BEHRS MELISSA KELLYEVP Portfolio & Alliance Mgmt2014-04-01Sell12,310147,841$2.1326.2139.44147,841 (Direct)
Bloom Olivia KyusukEVP, CFO
(Click for the stocks that their CFOs have bought)
2014-04-01Sell7,43585,347$2.1315.8139.4485,347 (Direct)
(Click for the stocks that their CEOs have bought)
125,000 (Family trust)
BEHRS MELISSA KELLYSVP Alliance and Prog Mgmt2013-01-17Sell28,2920$1.6546.7209.09
0 (By Geron 401(k) plan)
Kelsey Stephen MichaelEVP, R&D Head, CMO2012-05-30Sell9,300473,122$1.3712.7272.26473,122 (Direct)
EARP DAVIDSVP, Corp Transactions2012-05-30Sell27,155467,406$1.3737.2272.26467,406 (Direct)
Bloom Olivia KyusukVP, Chief Acctg Officer2012-05-30Sell11,029147,782$1.3715.1272.26147,782 (Direct)
BEHRS MELISSA KELLYSVP Strategic Portfolio Mgmt2012-05-30Sell18,910405,151$1.3725.9272.26405,151 (Direct)
KILEY THOMASDirector2011-11-22Buy64,275249,784$1.56100.3226.92
249,784 (By Thomas D. Kiley and Nancy L.M. Kiley Revocable Trust)
EARP DAVIDChief Legal Counsel2011-06-14Sell25,262494,561$4.28108.119.16494,561 (Direct)
Bloom Olivia KyusukVP, Chief Acctg Officer2011-06-14Sell6,997158,811$4.2829.919.16158,811 (Direct)
Spink Katharine E.SVP Alliance Mgmt & Operations2011-06-14Sell22,591328,561$4.2896.719.16328,561 (Direct)
LEBKOWSKI JANESVP, Chief Scientific Officer2011-06-14Sell25,262568,154$4.28108.119.16568,154 (Direct)
Kelsey Stephen MichaelEVP, R&D Head, CMO2011-06-14Sell4,858476,773$4.2820.819.16476,773 (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.

"Shares" change (fifth column) and "Shares Owned Following This (Direct & Indirect)" transactions (sixth column) are split adjusted. The "Share Ownership Details" (last column) displayed data is as of reported.

To find out why GuruFocus thinks data on insider trade are interesting, please read:
Also See GuruFocus Insider Trade Screener:

Get WordPress Plugins for easy affiliate links on Stock Tickers and Guru Names | Earn affiliate commissions by embedding GuruFocus Charts
GuruFocus Affiliate Program: Earn up to $400 per referral. ( Learn More)

GuruFocus Premium Plus Membership