EFTA Document EFTA01382325

Amendment No. 3 to Form S-1 Table of Contents We determine fair value of unvested and issued awards on the grant date using an option pricing model, adjusted for a lack of marketability and using an expected term or time to liquidity based on judgments made by management. We also consider forfeitures for equity•based grants which are not expected to vest. Expected volatility is calculated based upon historical volatility data from a group of comparable companies over a time frame consistent