X0306 4 2018-04-02 false 0001597553 Sage Therapeutics, Inc. SAGE 0001042021 JONAS JEFFREY M C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142 true true false false President & CEO Stock Option (Right to Buy) 145.77 2018-04-02 4 A false 90000.00 0.00 A 2028-04-02 Common Stock 90000.00 90000.00 D The securities awarded on 4/2/2018 were in the form of stock options issued pursuant to the Sage Therapeutics, Inc. 2014 Stock Option and Incentive Plan. Options to purchase 11,250 shares of common stock shall vest on the one year anniversary of the 2/1/2018 Vesting Start Date, with 33,750 shares vesting in 36 equal monthly installments thereafter. Options to purchase 45,000 shares of common stock shall vest periodically upon the Company achieving certain milestones. /s/ Anne Marie Cook, as Attorney-in-Fact for Jeffrey M. Jonas 2018-04-04