1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Stock Option (right to buy)
|
12/17/2007 |
12/17/2013 |
Common Stock
|
30,000
|
$
10.01
|
D
|
Â
|
Stock Option (right to buy)
|
05/27/2008 |
05/27/2014 |
Common Stock
|
4,849
|
$
7.56
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(4)
|
05/06/2015 |
Common Stock
|
12,000
|
$
6.4
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(5)
|
05/24/2016 |
Common Stock
|
13,130
|
$
6.63
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(6)
|
05/23/2017 |
Common Stock
|
7,000
|
$
9.32
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(7)
|
05/28/2018 |
Common Stock
|
8,750
|
$
3.97
|
D
|
Â
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
The shares of restricted stock will remain subject to a repurchase right of Geron until May 23, 2009, at which time such repurchase right will lapse. The lapse of Geron's repurchase right is conditioned on the employee continuing to provide services to the Company through the vesting date. |
(2) |
The shares of restricted stock will remain subject to a repurchase right of Geron over four years, commencing May 23, 2007, during such time the repurchase right will lapse with respect to 25% of such shares on each anniversary date of the date of grant. The lapse of Geron's repurchase right is conditioned on the employee continuing to provide services to the Company through each vesting date. |
(3) |
The shares of restricted stock will remain subject to a repurchase right of Geron over four years, commencing May 28, 2008, during such time the repurchase right will lapse with respect to 25% of such shares on each anniversary date of the date of grant. The lapse of Geron's repurchase right is conditioned on the employee continuing to provide services to the Company through each vesting date. |
(4) |
This option is exercisable in a series of 48 equal monthly installments commencing May 6, 2005 provided the optionee continues to provide services to the Company. |
(5) |
This option is exercisable in a series of 48 equal monthly installments commencing May 24, 2006 provided the optionee continues to provide services to the Company. |
(6) |
This option is exercisable in a series of 48 equal monthly installments commencing May 23, 2007 provided the optionee continues to provide services to the Company. |
(7) |
This option is exercisable in a series of 48 equal monthly installments commencing May 28, 2008 provided the optionee continues to provide services to the Company. |