X0306 4 2017-02-06 false 0001597553 Sage Therapeutics, Inc. SAGE 0001320559 Cook Anne Marie C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142 false true false false See Remarks Stock Option (Right to Buy) 47.70 2017-02-06 4 A false 56000.00 0.00 A 2027-02-08 Common Stock 56000.00 56000.00 D The securities awarded on 2/06/2017 were in the form of stock options issued pursuant to the Sage Therapeutics, Inc. 2014 Stock Option and Incentive Plan. Options to purchase 7,000 shares of common stock shall vest on the one year anniversary of the Vesting Start Date with 21,000 shares vesting in 36 equal monthly installments thereafter. Options to purchase 28,000 shares of common stock shall vest periodically upon the Company achieving certain milestones. Senior Vice President, General Counsel & Secretary /s/ Anne Marie Cook 2017-02-08