X0306 4 2021-06-02 0 0001500198 NEUROONE MEDICAL TECHNOLOGIES Corp NMTC 0001296853 MATHIESEN JEFFREY S 7599 ANAGRAM DRIVE EDEN PRAIRIE MN 55344 1 0 0 0 Common Stock 2021-06-02 4 A 0 4592 0 A 36811 D Option to Purchase Common Stock 7.26 2021-06-02 4 A 0 4682 0 A 2031-06-02 Common Stock 4682 4682 D Represents a grant of restricted stock units, which vest in 12 equal monthly installments over a one-year period, with such vesting to occur at the end of each month. The share amount has been adjusted to reflect the reverse stock split effective on March 31, 2021 whereby each three shares issued and outstanding prior to the split were combined and converted into one share of common stock. The option vests in 12 equal monthly installments over a one-year period, with such vesting to occur at the end of each month. /s/ Stephanie Swan, by Power of Attorney 2021-06-04