X0306 4 2018-12-27 0 0001328143 Adamas Pharmaceuticals Inc ADMS 0001717583 Prentiss Christopher B C/O ADAMAS PHARMACEUTICALS, INC. 1900 POWELL ST., SUITE 1000 EMERYVILLE CA 94608 0 1 0 0 Chief Accounting Officer Common Stock 2018-12-27 4 A 0 12500 0.00 A 30726 D The shares of Common Stock are to be acquired upon the vesting of certain Restricted Stock Units granted to the Reporting Person. The Restricted Stock Units shall vest as follows: 25% of the total number of Restricted Stock Units will vest on July 20, 2019 and January 20, 2020 and 50% of the total number of Restricted Stock Units will vest on January 20, 2021, subject to Reporting Person's Continuous Service as of each such date. /s/Alfred Merriweather, Attorney-in-fact 2018-12-28