Stockholders' Equity |
Note 12. Stockholders Equity
The following table presents the weighted-average assumptions used to estimate the fair values of the stock options granted in the periods presented:
ThreeMonthsEnded March31,
2009 2010
(unaudited)
Risk-free interest rate 2.1 % 2.6 %
Expected volatility 40 % 33 %
Expected life (in years) 5.7 5.9
Dividend yield
Weighted-average estimated fair value of options granted during the period $ 129.49 $ 198.10
The following table summarizes the activities for our options for the three months ended March31, 2010:
Options Outstanding
Number of Shares Weighted- Average ExercisePrice Weighted- Average Remaining Contractual Term (inyears) Aggregate Intrinsic Value (inmillions) (1)
(unaudited)
Balance at December31, 2009 12,776,488 $ 298.73
Options granted 24,563 $ 540.03
Exercised (147,057 ) $ 223.56
Canceled/forfeited (104,544 ) $ 336.04
Balance at March31, 2010 12,549,450 $ 300.25 6.3 $ 3,349
Vested and exercisable as of March31, 2010 6,076,814 $ 267.00 5.8 $ 1,824
Vested and exercisable as of March31, 2010 and expected to vest thereafter (2) 11,908,659 $ 298.57 6.3 $ 3,198
(1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the closing stock price of $567.12 of our ClassA common stock on March31, 2010.
(2) Options expected to vest reflect an estimated forfeiture rate.
The following table summarizes additional information regarding outstanding, exercisable and exercisable and vested stock options at March31, 2010:
Options Outstanding Options Exercisable Options Vested and Exercisable
RangeofExercise
Prices Number of Shares Weighted- Average Remaining Life (Years) Weighted- Average Exercise Price Number of Shares Weighted- Average Exercise Price Number of Shares Weighted- Average Exercise Price
(unaudited)
$0.30$94.80 558,254 3.6 $ 22.44 539,401 $ 21.37 506,699 $ 22.37
$117.84$198.41 1,021,720 3.6 $ 177.24 1,021,146 $ 177.24 1,021,146 $ 177.24
$205.96$298.91 1,062,163 4.1 $ 275.11 1,047,983 $ 274.92 1,047,983 $ 274.92
$300.97$399.00 8,454,897 6.9 $ 309.78 3,204,336 $ 310.36 3,204,336 $ 310.36
$401.78$499.07 1,178,010 8.6 $ 437.42 118,032 $ 440.35 118,032 $ 440.35
$500.03$594.05 267,803 4.4 $ 537.02 176,323 $ 533.80 176,323 $ 533.80
$611.68$699.35 6,523 7.1 $ 628.03 2,250 $ 648.79 2,250 $ 648.79
$710.84 80 7.7 $ 710.84 45 $ 710.84 45 $ 710.84
$0.30$710.84 12,549,450 6.3 $ 300.25 6,109,516 $ 265.60 6,076,814 $ 267.00
The above tables include approximately 1.6million warrants held by selected financ |