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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2012
Stock Option and RSU Award Activity under Stock Plans

The following table summarizes the stock option and RSU award activity under the Stock Plans during the six months ended June 30, 2012:

 

           Shares Subject to Options Outstanding      Outstanding RSUs  
     Shares
Available
for Grant
    Number of
Shares
    Weighted
Average
Exercise
Price
     Weighted-
Average
Remaining
Contractual
Term
     Aggregate
Intrinsic
Value(1)
     Outstanding
RSUs
    Weighted
Average
Grant
Date Fair
Value
 
     (in thousands)     (in thousands)            (in years)      (in millions)      (in thousands)        

Balance as of December 31, 2011

     52,318        258,539      $ 0.47         4.38       $ 7,360         378,772      $ 6.83   

RSUs granted

     (28,603     0                 28,603        36.04   

Stock options exercised

     0        (84,078     0.11               0     

Stock options forfeited/cancelled

     584        (584     0.62               0     

RSUs forfeited and cancelled

     4,385        0                 (4,385     14.86   

2012 Equity Incentive Plan shares authorized

     25,000                  
  

 

 

   

 

 

            

 

 

   

Balance as of June 30, 2012

     53,684        173,877      $ 0.65         4.08       $ 5,294         402,990      $ 8.81   
  

 

 

   

 

 

            

 

 

   

 

(1)

The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the assessed fair value of our common stock as of December 31, 2011 and the closing market price of our common stock as of June 30, 2012.