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 |
Options to purchase common stock
|
Â
(1)
|
07/28/2016 |
Common Stock
|
8,000
|
$
15.85
|
D
|
Â
|
Options to purchase common stock
|
Â
(2)
|
05/21/2017 |
Common Stock
|
12,000
|
$
22.21
|
D
|
Â
|
Options to purchase common stock
|
Â
(3)
|
05/23/2018 |
Common Stock
|
12,000
|
$
9.82
|
D
|
Â
|
Options to purchase common stock
|
Â
(4)
|
11/13/2018 |
Common Stock
|
40,000
|
$
2.51
|
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) |
Options are exerciseable as follows: 4,000 on 3/31/08 and 4,000 on 3/31/09. |
(2) |
Options are exerciseable as follows: 4,000 on 3/31/08, 4,000 on 3/31/09 and 4,000 on 3/31/10. |
(3) |
Options become exerciseable as follows: 4,000 on 3/31/09, 4,000 on 3/31/10 and 4,000 on 3/31/11. |
(4) |
Options become exerciseable as follows: 13,333 on 3/31/09, 13,333 on 3/31/10 and 13,334 on 3/31/11. |