Insider Transactions

Date Filer Title Filing Type Shares Traded Price Total Held
Feb 06, 2012
Slaney Michael
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 7,573 $2.70 7,573
Feb 06, 2012
Slaney Michael
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 7,573 -- 849,129
Feb 03, 2012
Black David
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 1,298 $2.70 1,298
Feb 03, 2012
Black David
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 1,298 -- 856,702
Feb 03, 2012
Slaney Michael
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 1,298 $2.70 1,298
Feb 03, 2012
Slaney Michael
EVP, Upstream Business Dev.
Trans History: 17
 EVP, Upstream Business Dev. Form 4 Exercise of in-the-money or at-the-money derivative security 1,298 -- 856,702
Jun 28, 2011
Weiss Shai
Director, Ten Percent Owner
Trans History: 20
 Director, Ten Percent Owner Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 3,565 -- --
Feb 14, 2011
Khosla Ventures I, L.P.
Ten Percent Owner
Trans History: 44
 Ten Percent Owner Form 4 Conversion of derivative security 4,633,583 -- 4,633,583
Feb 14, 2011
Khosla Ventures I, L.P.
Ten Percent Owner
Trans History: 44
 Ten Percent Owner Form 4 Conversion of derivative security 77,142 -- 77,142
Feb 14, 2011
Khosla Ventures I, L.P.
Ten Percent Owner
Trans History: 44
 Ten Percent Owner Form 4 Conversion of derivative security 185,377 -- 185,377

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.