X0206 3 2019-09-12 0 0001692830 Satsuma Pharmaceuticals, Inc. STSA 0001286642 ALBRECHT DETLEF SATSUMA PHARMACEUTICALS, INC. 400 OYSTER POINT BOULEVARD, SUITE 221 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Medical Officer Common Stock, $0.0001 par value 20212 D Stock Option (Right to Buy) 0.90 2027-07-20 Common Stock 51063 D Stock Option (Right to Buy) 1.04 2028-05-01 Common Stock 30851 D Stock Option (Right to Buy) 4.56 2029-05-16 Common Stock 74468 D Reflects a 1-for-4.7 reverse stock split effective upon the effectiveness of the registration statement for the Issuer's initial public offering. A portion of the shares underlying this option are vested and exercisable as of the date hereof. The original vesting schedule is as follows: Twenty Five Percent (25%) of the shares subject to the option vest one year measured from January 18, 2017 (the "Vesting Commencement Date") and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter on each monthly anniversary of the Vesting Commencement Date, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. The original grant was for 51,063 shares, of which 20,212 shares have been exercised and are included in Table I. A portion of the remaining shares underlying this option are vested and exercisable as of the date hereof. The original vesting schedule is as follows: Twenty Five Percent (25%) of the shares subject to the option vest one year measured from June 19, 2017 (the "Vesting Commencement Date") and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter on each monthly anniversary of the Vesting Commencement Date, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. A portion of the shares underlying this option are vested and exercisable as of the date hereof. The original vesting schedule is as follows: The underlying shares subject to the option vest and become exercisable in successive, equal monthly installments over four years measured from May 15, 2019, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Thomas P. O'Neil as Attorney in Fact for Detlef Albrecht, M.D. 2019-09-12