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 |
Series B Convertible Preferred Stock
|
05/04/2004 |
Â
(3)
|
Common Stock
|
449,110
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series B Convertible Preferred Stock
|
05/04/2004 |
Â
(3)
|
Common Stock
|
16,771
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series B Convertible Preferred Stock
|
03/24/2005 |
Â
(3)
|
Common Stock
|
449,110
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series B Convertible Preferred Stock
|
03/24/2005 |
Â
(3)
|
Common Stock
|
16,771
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series C Convertible Preferred Stock
|
08/16/2005 |
Â
(3)
|
Common Stock
|
437,415
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series C Convertible Preferred Stock
|
08/16/2005 |
Â
(3)
|
Common Stock
|
16,334
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series C Convertible Preferred Stock
|
04/17/2006 |
Â
(3)
|
Common Stock
|
437,415
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series C Convertible Preferred Stock
|
04/17/2006 |
Â
(3)
|
Common Stock
|
16,334
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series D Convertible Preferred Stock
|
09/13/2006 |
Â
(3)
|
Common Stock
|
98,029
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series D Convertible Preferred Stock
|
09/13/2006 |
Â
(3)
|
Common Stock
|
3,660
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series D Convertible Preferred Stock
|
09/13/2006 |
Â
(3)
|
Common Stock
|
98,029
(3)
|
$
0
(3)
|
I
|
Canaan Equity III, L.P.
(1)
|
Series D Convertible Preferred Stock
|
09/13/2006 |
Â
(3)
|
Common Stock
|
3,660
(3)
|
$
0
(3)
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
Series B Convertible Preferred Stock Warrant (right to buy)
|
05/04/2004 |
Â
(4)
|
Series B Convertible Preferred Stock
|
13,669
|
$
6.375
|
I
|
Canaan Equity III, L.P.
(1)
|
Series B Convertible Preferred Stock Warrant (right to buy)
|
05/04/2004 |
Â
(4)
|
Series B Convertible Preferred Stock
|
510
|
$
6.375
|
I
|
Canaan Equity III Entrepreneurs, LLC
(2)
|
* |
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 reporting person is a member of Canaan Equity Partners III, LLC, which is the general partner of Canaan Equity III, L.P. Voting and investment power over these shares is exercised by Canaan Equity Partners III, LLC in its role as general partner of Canaan Equity III, L.P. The reporting person disclaims beneficial ownership of these shares except to the extent of his proportionate pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose. |
(2) |
The reporting person is a member of Canaan Equity Partners III, LLC, which is the general partner of Canaan Equity III Entrepreneurs, LLC Voting and investment power over these shares is exercised by Canaan Equity Partners III, LLC in its role as manager of Canaan Equity III Entrepreneurs, LLC The reporting person disclaims beneficial ownership of these shares except to the extent of his proportionate pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose. |
(3) |
Each share is convertible and will automatically convert on a 1-for-1 basis into the Issuer's common stock upon the closing of the Issuer's initial public offering of common stock pursuant to an effecive registration statement filed with the U.S. Securities and Exchange Commission. These shares have no expiration date. |
(4) |
The warrants to purchase Series B Convertible Preferred Stock will be automatically net exercised immediately prior to the closing of the Issuer's initial public offering. |