X0508 4 2023-08-04 false 0001597553 Sage Therapeutics, Inc. SAGE 0001291963 Greene Barry E C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142 true true false false President and CEO false Stock Option (Right to Buy) 85.82 2023-08-04 4 A false 195000.00 0.00 A 2031-01-04 Common Stock 195000.00 195000.00 D On January 4, 2021, the reporting person was granted an option to purchase 650,000 shares of common stock. The option vests upon the achievement of certain milestones, one of which was met on August 4, 2023, resulting in the vesting of the option as to 195,000 shares. /s/ Jennifer Fitzpatrick, as Attorney-in-Fact for Barry Greene 2023-08-08