X0306 4 2018-04-02 false 0001597553 Sage Therapeutics, Inc. SAGE 0001704336 Cloonan Michael C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142 false true false false Chief Business Officer Stock Option (Right to Buy) 145.77 2018-04-02 4 A false 36000.00 0.00 A 2028-04-02 Common Stock 36000.00 36000.00 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 4,500 shares of common stock shall vest on the one year anniversary of the 2/1/2018 Vesting Start Date with 13,500 shares vesting in 36 equal monthly installments thereafter. Options to purchase 18,000 shares of common stock shall vest periodically upon the Company achieving certain milestones. /s/ Anne Marie Cook, as Attorney-in-Fact for Michael Cloonan 2018-04-04