. equity compensation plan information plan category number of securities to be issued upon exercise of outstanding options , warrants and rights weighted-average exercise price of outstanding options , warrants and rights number of securities remaining available for future issuance under equity compensation plans ( excluding securities reflected in column ( a ) ) equity compensation plans approved by security holders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3650734 $ 16