Jeffrey Jonas, President & CEO, Director at SAGE Therapeutics, holds 54.53K shares in SAGE Therapeutics (Ticker: SAGE), holds ― shares in Karuna Therapeutics (Ticker: KRTX), holds ― shares in Generation Bio (Ticker: GBIO). Most recently, Jeffrey Jonas Bought ― shares of SAGE Therapeutics on Dec 10, 2019 for an estimated value of 481.50K.