X0306 4 2019-04-03 1 0001500198 NEUROONE MEDICAL TECHNOLOGIES Corp NMTC 0000897680 MAYO FOUNDATION FOR MEDICAL EDUCATION & RESEARCH 200 FIRST STREET SW ROCHESTER MN 55905 0 0 1 0 Common Stock, Par value $0.001 2019-04-03 4 J 0 287130 4.25 D 572846 D The Reporting Person transferred the shares to several individuals in satisfaction of certain contractual obligations. The price of $4.25 per share represents the recent market price of a share of common stock at the time of transfer. Mayo Clinic, a Minnesota corporation ("Mayo"), is the controlling corporation of the Reporting Person and is referenced here solely due to its control of the Reporting Person. Mayo disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mayo is the beneficial owner of the securities for purposes of Section 16 or any other purpose. /s/ Harry N. Hoffman, Co-Chief Investment Officer, on behalf of Mayo Foundation for Medical Education and Research 2019-04-04