Directly from the amended 10k issued Friday after hours:
Mr. Anderson was originally granted options for 7,453,374 shares in 2015 with an aggregate grant-date fair value of $3,856,357. However, in connection with the mutual decision to not renew his employment agreement in January 2016, he agreed to forfeit options for 4,968,919 shares with a grant-date fair value of $2,592,630. Accordingly, the amount shown in the table is the aggregate grant-date fair value of the options for 2,484,458 shares that were retained by Mr. Anderson.