X0306 4 2020-02-12 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) 68.87 2020-02-12 4 A false 22500.00 0.00 A 2030-02-12 Common Stock 22500.00 22500.00 D The securities awarded on February 12, 2020 were in the form of stock options issued pursuant to the Sage Therapeutics, Inc. 2014 Stock Option and Incentive Plan. Options to purchase 5,625 shares of common stock shall vest on the one year anniversary of February 12, 2020, with 16,875 shares vesting in 36 equal monthly installments thereafter. /s/ Jennifer Fitzpatrick, as Attorney-in-Fact for Michael Cloonan 2020-02-14