Alexander E. Barkas serves as Executive at GERON CORP, where they oversee executive responsibilities. Since joining the company, Alexander E. Barkas has executed 52 insider transactions totaling $3.6M, demonstrating a bullish approach to their equity position. Their most recent transaction on May 20, 2011 involved receiving (via award) 5,000 shares valued at $0.
Alexander E. Barkas currently holds 348,122 shares of GERON CORP (GERN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Alexander E. Barkas has been a net buyer of GERN stock. They have purchased $3.5M and sold $96.4K worth of shares.
Alexander E. Barkas's most recent insider trade was on May 20, 2011, when they sold 5,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| May 11, 2011 | GERN | $0 | Award | 14,000 | $N/A | Discretionary |
| May 11, 2011 | GERN | $0 | Award | 5,000 | $N/A | Discretionary |
| Mar 9, 2011 | GERN | $0 | Award | 18,750 | $N/A | Discretionary |
| Nov 16, 2010 | GNOM | $236.6K | Exercise | 31,299 | $7.56 | Discretionary |
| Nov 16, 2010 | GNOM | $7.5K | Payment | 832 | $9.00 | Discretionary |
| Nov 16, 2010 | GNOM | $7.5K | Exercise | 990 | $7.56 | Discretionary |
| Nov 16, 2010 | GNOM | $77.4K | Payment | 8,602 | $9.00 | Discretionary |
| Nov 16, 2010 | GNOM | $77.4K | Exercise | 10,240 | $7.56 | Discretionary |
| Nov 16, 2010 | GNOM | $236.6K | Payment | 26,292 | $9.00 | Discretionary |
| Nov 16, 2010 | GNOM | $3.0M | Purchase | 333,333 | $9.00 | Discretionary |
| Nov 16, 2010 | GNOM | $221.8K | Payment | 24,649 | $9.00 | Discretionary |
| Nov 16, 2010 | GNOM | $221.8K | Exercise | 29,343 | $7.56 | Discretionary |
| Nov 16, 2010 | GNOM | $0 | Conversion | 807,760 | $N/A | Discretionary |
| Nov 16, 2010 | GNOM | $0 | Conversion | 674,426 | $N/A | Discretionary |
| Nov 16, 2010 | GNOM | $0 | Conversion | 160,552 | $N/A | Discretionary |
| Nov 16, 2010 | GNOM | $0 | Conversion | 601,248 | $N/A | Discretionary |
| Jul 9, 2010 | GERN | $0 | Award | 13,500 | $N/A | Discretionary |
| Jul 9, 2010 | GERN | $0 | Award | 27,000 | $N/A | Discretionary |
| Jul 9, 2010 | GERN | $0 | Award | 13,500 | $N/A | Discretionary |
| Jul 9, 2010 | GERN | $0 | Award | 13,500 | $N/A | Discretionary |
| May 19, 2010 | GERN | $40.0K | Award | 7,561 | $5.29 | Discretionary |
| May 19, 2010 | GERN | $0 | Award | 12,500 | $N/A | Discretionary |
| May 29, 2009 | GERN | $0 | Award | 20,000 | $N/A | Discretionary |
| May 29, 2009 | GERN | $40.0K | Award | 6,135 | $6.52 | Discretionary |
| May 29, 2009 | GERN | $0 | Award | 12,500 | $N/A | Discretionary |
| Oct 16, 2008 | TRCA | $413.6K | Disposition | 45,952 | $9.00 | Discretionary |
| Oct 16, 2008 | TRCA | $27.2M | Disposition | 3,017,588 | $9.00 | Discretionary |
| Oct 16, 2008 | TRCA | $60.0K | Disposition | 6,666 | $9.00 | Discretionary |