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 A Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
2,528,750
(5)
|
$
(5)
|
I
|
See Footnote
(2)
|
Series A Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
843,625
(5)
|
$
(5)
|
I
|
See Footnote
(3)
|
Series A Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
282,625
(5)
|
$
(5)
|
I
|
See Footnote
(4)
|
Series B Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
1,847,931
(5)
|
$
(5)
|
I
|
See Footnote
(2)
|
Series B Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
616,494
(5)
|
$
(5)
|
I
|
See Footnote
(3)
|
Series B Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
206,534
(5)
|
$
(5)
|
I
|
See Footnote
(4)
|
Series C Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
961,012
(5)
|
$
(5)
|
I
|
See Footnote
(2)
|
Series C Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
320,607
(5)
|
$
(5)
|
I
|
See Footnote
(3)
|
Series C Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
107,407
(5)
|
$
(5)
|
I
|
See Footnote
(4)
|
Series D Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
289,725
(5)
|
$
(5)
|
I
|
See Footnote
(2)
|
Series D Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
96,656
(5)
|
$
(5)
|
I
|
See Footnote
(3)
|
Series D Convertible Preferred Stock
|
Â
(5)
|
Â
(6)
|
Common Stock
|
32,381
(5)
|
$
(5)
|
I
|
See Footnote
(4)
|
* |
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) |
Reflects a one-for-two reverse stock split, which became effective on June 25, 2007. |
(2) |
These securities are owned solely by Matrix Partners VI, L.P. Matrix VI Management Co., L.L.C. ("Matrix VI LLC") is the general partner of Matrix Partners VI, L.P. Paul J. Ferri, as a Managing Member of Matrix VI LLC, has sole voting and dispositive power with respect to these shares. Mr. Ferri disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. |
(3) |
These securities are owned solely by Matrix VI Parallel Partnership-A, L.P. Matrix VI LLC is the general partner of Matrix VI Parallel Partnership-A, L.P. Paul J. Ferri, as a Managing Member of Matrix VI LLC, has sole voting and dispositive power with respect to these shares. Mr. Ferri disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. |
(4) |
These securities are owned solely by Matrix VI Parallel Partnership-B, L.P. Matrix VI LLC is the general partner of Matrix VI Parallel Partnership-B, L.P. Paul J. Ferri, as a Managing Member of Matrix VI LLC, has sole voting and dispositive power with respect to these shares. Mr. Ferri disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. |
(5) |
Shares of Preferred Stock are immediately convertible into Common Stock on a one-for-two basis without payment of further consideration and each share of Preferred Stock will automatically convert upon the closing of the Issuer?s initial public offering. The number of shares of Common Stock underlying the Preferred Stock reflects a one-for-two reverse stock split, which became effective on June 25, 2007. |
(6) |
Not applicable. |