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Long-Term Compensation
 6 Months Ended
Jun. 30, 2012
Long-Term Compensation [Abstract]  
Long-Term Compensation
11.   Long-Term Compensation

Under its incentive plans, Prologis had stock options and full value awards (restricted stock, restricted share units (“RSUs”) and performance based shares (“PSAs”)).

Summary of Activity

The activity for the six months ended June 30, 2012, with respect to our stock options, was as follows:

 

                         
    Options Outstanding        
    Number of Options     Weighted Average
Exercise Price		     Options Exercisable  

Balance at December 31, 2011

     9,879,960     $ 34.93          

Exercised

     (1,050,158 )      22.28          

Forfeited

     (113,917 )      43.79          
   

 

 

    

 

 

    

 

 

  

Balance at June 30, 2012

     8,715,885     $ 36.34       8,122,335  
   

 

 

    

 

 

    

 

 

  

The activity for the six months ended June 30, 2012, with respect to our unvested restricted stock, was as follows:

 

                 
          Weighted Average  
    Number of     Grant Date Fair  
    Shares     Value  

Balance at December 31, 2011

     1,192,982          

Granted

     5,000          

Vested

     (500,168 )         

Forfeited

     (1,797 )         
   

 

 

          

Balance at June 30, 2012

     696,017     $ 34.03  
   

 

 

    

 

 

  

The activity for the six months ended June 30, 2012, with respect to our RSU and PSA awards, was as follows:

 

                         
    Number of     Weighted Average     Number of  
    Shares     Grant-Date Fair Value     Shares Vested  

Balance at December 31, 2011

     1,684,713                  

Granted

     1,606,377                  

Distributed

     (666,533 )                 

Forfeited/Expired

     (42,041 )                 
   

 

 

                  

Balance at June 30, 2012

     2,582,516     $ 31.98       48,735  
   

 

 

    

 

 

    

 

 

  

During the six months ended June 30, 2012, we granted 1,567,348 RSUs, which, generally, will vest over three years. In addition, 39,029 PSAs were earned based on 2011 performance.