X0306 4 2020-03-04 0001460702 RITTER PHARMACEUTICALS INC RTTR 0001631671 Ritter Andrew J RITTER PHARMACEUTICALS, INC. 1880 CENTURY PARK EAST, SUITE 1000 LOS ANGELES CA 90067 1 1 0 0 CEO and President Common Stock 2020-03-04 4 S 0 18750 .3756 D 81727 I By Stonehenge Partners LLC Common Stock 625 D As a managing partner of Stonehenge Partners LLC, the Reporting Person may be deemed the beneficial owner of these securities. The Reporting Person expressly disclaims beneficial ownership over these securities except to the extent of his pecuniary interest therein. /s/ Andrew J. Ritter 2020-03-13