X0306 4 2021-02-10 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) 82.27 2021-02-10 4 A false 19000.00 0.00 A 2031-02-10 Common Stock 19000.00 19000.00 D The securities awarded on February 10, 2021 were in the form of stock options issued pursuant to the Sage Therapeutics, Inc. 2014 Stock Option and Incentive Plan. Options to purchase 4,750 shares of common stock shall vest on the one year anniversary of February 10, 2021, with 14,250 shares vesting in 36 equal monthly installments thereafter. /s/ Jennifer Fitzpatrick, as Attorney-in-Fact for Michael Cloonan 2021-02-12