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 options (right to buy)
|
02/23/2008(1)
|
02/23/2014 |
Common stock
|
1,200
|
$
22.3
|
D
|
Â
|
Stock options (right to buy)
|
05/18/2009(2)
|
05/18/2015 |
Common stock
|
2,625
|
$
2.05
|
D
|
Â
|
Stock option (right to buy)
|
05/10/2010(3)
|
05/10/2012 |
Common stock
|
4,000
|
$
4.83
|
D
|
Â
|
Stock options (right to buy)
|
12/18/2010(4)
|
12/18/2012 |
Common stock
|
10,000
|
$
6.56
|
D
|
Â
|
Stock options (right to buy)
|
08/28/2011(5)
|
08/28/2017 |
Common stock
|
9,000
|
$
4.06
|
D
|
Â
|
Stock options (right to buy)
|
02/04/2012(6)
|
02/04/2018 |
Common stock
|
8,000
|
$
1.51
|
D
|
Â
|
Stock option (right to buy)
|
12/02/2010(7)
|
12/02/2014 |
Common stock
|
85,000
|
$
0.18
|
D
|
Â
|
Stock options (right to buy)
|
06/25/2015(8)
|
06/25/2020 |
Common stock
|
500,000
|
$
0.08
|
D
|
Â
|
Warrants
|
10/16/2009 |
10/15/2011 |
Common stock
|
331,224
|
$
0.06
|
D
|
Â
|
Warrants
|
10/16/2009 |
10/15/2011 |
Common stock
|
331,224
|
$
0.09
|
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) |
These stock options were granted in February 2004 and are fully vested. |
(2) |
These stock options were granted in May 2005 and are fully vested. |
(3) |
These stock options were granted in May 2006 and are fully vested. |
(4) |
These stock options were granted December 12, 2006 and vest and become exercisable on each monthly anniversary of December 18, 2006 over a four year period. |
(5) |
These stock options were granted August 24, 2007 and vest and become exercisable on each monthly anniversary of August 28, 2007 over a four year period. |
(6) |
These stock options were granted February 4, 2008 and vest and become exercisable on each monthly anniversary of February 4, 2008 over a four year period. |
(7) |
These stock options were granted December 2, 2009 and vest and become exercisable on each monthly anniversary of December 3, 2009 over a one year period. |
(8) |
These stock options were granted June 23, 2010 and vest and become exercisable on each monthly anniversary of June 25, 2010 over a five year period. |