 EMERYVILLE, Calif.--BUSINESS WIRE--Adamas Pharmaceuticals, Inc. Nasdaq: ADMS, a company dedicated to developing and delivering medicines that make a meaningful difference to people affected by neurological diseases, today announced that it has commenced an underwritten public offering of its common stock. All shares of common stock to be sold in the offering will be offered by Adamas. Adamas intends to grant the underwriters a 30-day option to purchase up to an aggregate of an additional 15 