X0206 3 2013-08-21 0 0001311596 Regado Biosciences Inc RGDO 0001334549 Mazzo David J 120 MOUNTAIN VIEW BOULEVARD BASKING RIDGE NJ 07920 1 1 0 0 President and CEO Stock Option (right to buy) 3.84 2022-04-25 Common Stock, par value $0.001 per share 43631 D Stock Option (right to buy) 4.51 2020-04-30 Common Stock, par value $0.001 per share 151793 D Stock Option (right to buy) 11.69 2018-12-08 Common Stock, par value $0.001 per share 10059 D Stock Option (right to buy) 12.53 2018-08-01 Common Stock, par value $0.001 per share 134730 D This option is currently vested and exercisable as to 23,634 shares. The remaining 19,997 shares underlying the option shall vest as follows: 909 shares shall vest on the 25th day of each month until the option is fully vested. This option is currently vested and exercisable as to 135,979 shares. The remaining 15,814 shares underlying the option shall vest as follows: 3,162 shares shall vest on the last day of each month until the option is fully vested. This option is fully vested and exercisable. /s/ David J. Mazzo 2013-08-21