X0306 4 2019-05-16 0 0001716621 Ra Medical Systems, Inc. RMED 0001242932 FOGARTY THOMAS G C/O RA MEDICAL SYSTEMS, INC. 2070 LAS PALMAS DRIVE CARLSBAD CA 92011 0 1 0 0 See Remarks Common Stock 2019-05-16 4 A 0 32894 0.00 A 32894 D Reported shares are represented by restricted stock units ("RSUs"), and each RSU is the economic equivalent of one share of Ra Medical Systems, Inc. common stock. 1/3 of the total number of shares underlying the RSUs granted will vest on May 20, 2020, and 1/6th of the total number of shares underlying the RSUs will vest on each November 20 and May 20 thereafter, such that the Award will be fully vested on May 20, 2022; provided, however, that if a vesting date would otherwise fall on a day when the national stock exchange upon which the shares are listed is not open for trading, vesting will occur on the first trading day thereafter. Vesting in all instances is subject to the Reporting Person's continuous status as a Service Provider (as defined in the 2018 Equity Incentive Plan) through each vesting date. Chief Commercialization Officer /s/ Daniel Horwood, as Attorney-in-Fact 2019-05-20