On March 28, 2019, the board of directors of Corbus Pharmaceuticals Holdings, Inc. approved the terms of a Separation Agreement with Dr. Mark A. Tepper, the Company's President and Chief Scientific Officer and a consulting agreement with Dr. Tepper providing for his engagement as an external consultant to the Company. The Agreements were executed on March 31, 2019. Dr. Tepper's last day of employment with the Company was March 31, 2019 and his engagement as a consultant commenced on April 1, 2019.