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Insider Trading: GERON CORP
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of GERON CORP in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of GERON CORP since year 2005. Table 2 shows the detailed insider transactions of GERON CORP since 2005.
The reporting company's ticker symbol is GERN.
The reporting company's CIK number is 886744.
The total value of stock buying since 2005 is $0.
The total value of stock sales is $1,172,630.
The total value of stock exercises is $253,085.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at GERON CORP (GERN) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Figure 2. Average prices of insider buys, sales, and option exercises at GERON CORP (GERN) in the past 24 months. See table 2 for insider transaction details.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for GERON CORP (GERN).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-01 | 0 | 0 | 59,849 | 319,590 | 0 | 0 |
| 2007-11 | 0 | 0 | 4,000 | 28,800 | 0 | 0 |
| 2007-05 | 0 | 0 | 30,000 | 275,325 | 35,000 | 181,890 |
| 2006-04 | 0 | 0 | 0 | 0 | 29,411 | 59,998 |
| 2006-03 | 0 | 0 | 0 | 0 | 5,489 | 11,197 |
| 2006-01 | 0 | 0 | 64,126 | 548,915 | 0 | 0 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for GERON CORP (GERN)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-01-04 | Okarma Thomas (President and CEO) | Sale | 13,166 | 5.34 | 70,306 |
| 2008-01-04 | Lebkowski Jane (SVP Regen Medicine) | Sale | 8,911 | 5.34 | 47,584 |
| 2008-01-04 | Behrs Melissa Kelly (SVP Oncology) | Sale | 8,911 | 5.34 | 47,584 |
| 2008-01-04 | Harley Calvin (VP and CSO) | Sale | 8,911 | 5.34 | 47,584 |
| 2008-01-04 | Greenwood David (EVP and CFO) | Sale | 11,039 | 5.34 | 58,948 |
| 2008-01-04 | Earp David (SVP Bus Dev, Chief Patnt Couns) | Sale | 8,911 | 5.34 | 47,584 |
| 2007-11-12 | Greenwood David (EVP and CFO) | Sale | 4,000 | 7.20 | 28,800 |
| 2007-05-21 | Barkas Alexander E (Director) | Option Exercise | 5,000 | 9.00 | 45,000 |
| 2007-05-18 | Harley Calvin (VP and CSO) | Sale | 30,000 | 9.18 | 275,325 |
| 2007-05-18 | Harley Calvin (VP and CSO) | Option Exercise | 30,000 | 4.56 | 136,890 |
| 2006-04-28 | Barkas Alexander E (Director) | Option Exercise | 29,411 | 2.04 | 59,998 |
| 2006-03-08 | Harley Calvin (Chief Scientific Officer) | Option Exercise | 5,489 | 2.04 | 11,197 |
| 2006-01-09 | Okarma Thomas (President and CEO) | Sale | 12,320 | 8.56 | 105,459 |
| 2006-01-09 | Lebkowski Jane (SVP, Regenerative Me) | Sale | 10,676 | 8.56 | 91,386 |
| 2006-01-09 | Behrs Melissa Kelly (VP, Oncology) | Sale | 8,441 | 8.56 | 72,254 |
| 2006-01-09 | Harley Calvin (Chief Scientific Officer) | Sale | 9,183 | 8.56 | 78,606 |
| 2006-01-09 | Greenwood David (Executive VP and CFO) | Sale | 12,183 | 8.56 | 104,286 |
| 2006-01-09 | Earp David (SVP Bus Dev / Chf Pa) | Sale | 11,323 | 8.56 | 96,924 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of GERON CORP (symbol GERN,
CIK number 886744) see
the Securities and Exchange Commission (SEC) website.
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