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)
|
10/01/2012 |
Common Stock
|
53,571
|
$
0.7
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
08/01/2013 |
Common Stock
|
44,643
|
$
1.4
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
02/27/2014 |
Common Stock
|
107,143
|
$
1.76
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
04/01/2015 |
Common Stock
|
185,358
|
$
7.42
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
08/08/2015 |
Common Stock
|
89,286
|
$
8.82
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(6)
|
03/15/2016 |
Common Stock
|
250,000
|
$
15.06
|
D
|
Â
|
Series A Redeemable Convertible Preferred Stock
|
Â
(7)
|
Â
(7)
|
Common Stock
|
20,000
|
$
(7)
|
D
|
Â
|
Series D Redeemable Convertible Preferred Stock
|
Â
(7)
|
Â
(7)
|
Common Stock
|
5,225
|
$
(7)
|
D
|
Â
|
Series E Redeemable Convertible Preferred Stock
|
Â
(7)
|
Â
(7)
|
Common Stock
|
1,445
|
$
(7)
|
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 August 1, 2003. |
(3) |
The options vest in four, equal annual installments beginning on February 27, 2004. |
(4) |
The options vest in equal monthly installments over a period of four years beginning on May 31, 2005. |
(5) |
The options vest in equal monthly installments over a period of four years beginning on September 30, 2005. |
(6) |
The options vest in equal monthly installments over a period of four years beginning on April 30, 2006. |
(7) |
The convertible preferred stock is immediately convertible on a 1:2.86 basis and has no expiration date. |