what is the net change in the number of unvested restricted stock in 2010?
n o t e s t o t h e c o n s o l i d a t e d f i n a n c i a l s t a t e m e n t s 2013 ( continued ) ace limited and subsidiaries the weighted-average remaining contractual term was 5.7 years for the stock options outstanding and 4.3 years for the stock options exercisable at december 31 , 2010 . the total intrinsic value was $ 184 million for stock options outstanding and $ 124 million for stock options exercisable at december 31 , 2010 . the weighted-average fair value for the stock options granted for the years ended december 31 , 2010 , 2009 , and 2008 , was $ 12.09 , $ 12.95 , and $ 17.60 , respectively . the total intrinsic value for stock options exercised during the years ended december 31 , 2010 , 2009 , and 2008 , was $ 22 million , $ 12 mil- lion , and $ 54 million , respectively . the amount of cash received during the year ended december 31 , 2010 , from the exercise of stock options was $ 53 million . restricted stock and restricted stock units the company 2019s 2004 ltip provides for grants of restricted stock and restricted stock units with a 4-year vesting period , based on a graded vesting schedule . the company also grants restricted stock awards to non-management directors which vest at the following year 2019s annual general meeting . the restricted stock is granted at market close price on the date of grant . each restricted stock unit represents the company 2019s obligation to deliver to the holder one common share upon vesting . included in the company 2019s share-based compensation expense for the year ended december 31 , 2010 , is a portion of the cost related to the unvested restricted stock granted in the years 2006 2013 2010 . the following table presents a roll-forward of the company 2019s restricted stock for the years ended december 31 , 2010 , 2009 , and 2008 . included in the roll-forward below are 36248 and 38154 restricted stock awards that were granted to non-management directors during 2010 and 2009 , respectively . number of restricted stock weighted-average grant-date fair .

|  | Number of Restricted Stock | Weighted-Average Grant-Date Fair Value |
| :--- | :--- | :--- |
| Unvested restricted stock, December 31, 2007 | 3,821,707 | $53.12 |
| Granted | 1,836,532 | $59.84 |
| Vested and issued | (1,403,826) | $50.96 |
| Forfeited | (371,183) | $53.75 |
| Unvested restricted stock, December 31, 2008 | 3,883,230 | $57.01 |
| Granted | 2,603,344 | $39.05 |
| Vested and issued | (1,447,676) | $54.85 |
| Forfeited | (165,469) | $51.45 |
| Unvested restricted stock, December 31, 2009 | 4,873,429 | $48.25 |
| Granted | 2,461,076 | $51.09 |
| Vested and issued | (1,771,423) | $50.79 |
| Forfeited | (257,350) | $47.93 |
| Unvested restricted stock, December 31, 2010 | 5,305,732 | $48.74 |

during 2010 , the company awarded 326091 restricted stock units to officers of the company and its subsidiaries with a weighted-average grant date fair value of $ 50.36 . during 2009 , 333104 restricted stock units , with a weighted-average grant date fair value of $ 38.75 , were awarded to officers of the company and its subsidiaries . during 2008 , 223588 restricted stock units , with a weighted-average grant date fair value of $ 59.93 , were awarded to officers of the company and its subsidiaries . at december 31 , 2010 , the number of unvested restricted stock units was 636758 . prior to 2009 , the company granted restricted stock units with a 1-year vesting period to non-management directors . delivery of common shares on account of these restricted stock units to non-management directors is deferred until six months after the date of the non-management directors 2019 termination from the board . during 2008 , 40362 restricted stock units were awarded to non-management directors . at december 31 , 2010 , the number of deferred restricted stock units was 230451 . the espp gives participating employees the right to purchase common shares through payroll deductions during consecutive 201csubscription periods 201d at a purchase price of 85 percent of the fair value of a common share on the exercise date . annual purchases by participants are limited to the number of whole shares that can be purchased by an amount equal to ten percent .

unvested_restricted_stock_2010 = 5305732
unvested_restricted_stock_2009 = 4873429
answer = unvested_restricted_stock_2010 - unvested_restricted_stock_2009