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 |
Employee Stock Option (right to buy)
|
Â
(1)
|
03/31/2013 |
Common Stock
|
53,572
|
$
1.4
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
02/27/2014 |
Common Stock
|
71,429
|
$
1.76
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
04/01/2015 |
Common Stock
|
71,429
|
$
7.42
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/15/2016 |
Common Stock
|
107,143
|
$
15.06
|
D
|
Â
|
Series B Convertible Redeemable Prerferred Stock
|
Â
(5)
|
Â
(5)
|
Common Stock
|
47,366
|
$
(5)
|
D
|
Â
|
Series B Convertible Redeemable Prerferred Stock
|
Â
(5)
|
Â
(5)
|
Common Stock
|
6,205
|
$
(5)
|
I
|
By Tribolet Grantor Retained Annuity Trust
|
Series C Convertible Redeemable Preferred Stock
|
Â
(5)
|
Â
(5)
|
Common Stock
|
14,285
|
$
(5)
|
D
|
Â
|
Convertible Notes
|
01/31/2006 |
12/01/2010 |
Common Stock
|
$
512,462.78
|
$
14.22
|
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) |
Currently exercisable. |
(2) |
The options vest in four, equal annual installments beginning on February 27, 2004. |
(3) |
The options vest in equal monthly installments over a period of four years beginning on May 31, 2005. |
(4) |
The options vest in equal monthly installments over a period of four years beginning on April 30, 2006. |
(5) |
The convertible preferred stock is immediately convertible on a 1:2.86 basis and has no expiration date. |