This excerpt taken from the AMZN 8-K filed Feb 1, 2007.
Stock-Based Awards
We granted restricted stock unit awards of 1 million shares in the quarter and 9 million shares in 2006.
As of December 31, 2006, there were 22 million shares underlying outstanding stock awards, consisting of 7 million shares underlying stock options with a $17
weighted-average exercise price and 15 million shares underlying restricted stock units.
As of December 31, 2006, outstanding common shares plus shares underlying outstanding stock-based awards were 436 million, down 1% from 438 million as of
December 31, 2005. This total includes all stock-based awards outstanding, without regard for estimated forfeitures, consisting of vested and unvested awards and in-the-money and out-of-the-money stock options.
This excerpt taken from the AMZN 8-K filed Oct 24, 2006.
Stock-Based Awards
As of January 1, 2005, we adopted SFAS 123(R), which requires measurement of compensation cost for stock-based awards at grant date fair value. The fair value of restricted
stock and restricted stock units is determined based on the number of shares granted and the quoted price of our common stock, while the fair value of stock options is determined using a Black-Scholes valuation model. The fair value is recognized as
an expense over the service period, net of estimated forfeitures, using the accelerated method under SFAS 123(R). The adoption of SFAS 123(R) in Q1 2005 resulted in a cumulative benefit from accounting change of $26 million, which reflects the net
cumulative impact of estimating future forfeitures in the determination of period expense, rather than recording forfeitures when they occur as previously permitted.
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Stock-based awards generally vest over service periods of between two and five years.
We granted stock awards, substantially all of which have been restricted stock units since October 2002, of 1 million shares in the quarter. Our annual stock awards are granted
in the second quarter.
As of September 30, 2006, there were 24 million shares underlying outstanding stock awards, consisting of 10 million shares underlying stock options with a $16
weighted-average exercise price and 14 million shares underlying restricted stock units.
As of September 30, 2006, outstanding common shares plus shares underlying outstanding stock-based awards were 435 million, down 1% from 438 million as of
September 30, 2005. This total includes all stock-based awards outstanding, without regard for estimated forfeitures, consisting of vested and unvested awards and in-the-money and out-of-the-money stock options.