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 Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
11,285,183
(3)
|
$
(3)
|
I
|
By Walden VC II, L.P.
(1)
|
Series C Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
5,869,696
(3)
|
$
(3)
|
I
|
By Walden VC II, L.P.
(1)
|
Series D Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
2,716,365
(4)
|
$
(4)
|
I
|
By Walden VC II, L.P.
(1)
|
Series D Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
875,399
(4)
|
$
(4)
|
I
|
By Walden VC III, LLC
(1)
|
Series E Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
881,990
(5)
|
$
(5)
|
I
|
By Walden VC II, L.P.
(1)
|
Series F Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
3,847,643
(3)
|
$
(3)
|
I
|
By Walden VC II, L.P.
(1)
|
Series F Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
307,692
(3)
|
$
(3)
|
I
|
By Walden VC III, LLC
(1)
|
Series F Preferred Stock
|
(2)
|
(2)
|
Common Stock
|
1,009,287
(3)
|
$
(3)
|
I
|
Walden VC SPK, LLC
(1)
|
* |
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) |
Larry Marcus is a managing member of the general partner of Walden VC II, L.P., Walden VC III, LLC and WaldenVC SPK, LLC funds. Mr. Marcus disclaims beneficial ownership with respect to shares beneficially owned by Walden VC II, L.P., Walden VC III, LLC and WaldenVC SPK, LLC, except to the extent of his pecuniary interests therein. |
(2) |
The securities are preferred stock of the Issuer. These securities are immediately convertible and do not have an expiration date. |
(3) |
Each share of Series B, Series C and Series F preferred stock will automatically convert on a 1-for-1 basis into common stock upon the closing of the Issuer's initial public offering. |
(4) |
Each share of Series D preferred stock will automatically convert on a 1-for-1.10077 basis into common stock upon the closing of the Issuer's initial public offering. |
(5) |
Each share of Series E preferred stock will automatically convert on a 1-for-1.18081 basis into common stock upon the closing of the Issuer's initial public offering. |