X0306 4 2019-12-03 0 0001716621 Ra Medical Systems, Inc. RMED 0001380918 Kraws Jeffrey J C/O RA MEDICAL SYSTEMS, INC. 2070 LAS PALMAS DRIVE CARLSBAD CA 92011 0 1 0 0 Co-President Common Stock 2019-12-04 4 F 0 38372 1.8219 D 114131 D Stock Option (Right to Buy) 1.22 2019-12-03 4 A 0 139052 0.00 A 2029-12-03 Common Stock 139052 139052 D Shares withheld by the issuer to satisfy the mandatory tax withholding requirement upon vesting of restricted stock units. This is not an open market sale of securities. Represents the weighted share price of an aggregate total of 38,372 shares withheld in the price range of $1.69 to $1.96 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares withheld at each separate price. Of the reported shares 2,315 shares are represented by Restricted Stock Units. 1/36 of the total shares subject to the option shall vest every month after December 3, 2019, such that all shares shall be fully vested on December 3, 2022, subject to the Reporting Person continuing to be a "Service Provider" (as defined in the Company's 2018 Equity Incentive Plan) through each vesting date. /s/ Daniel Horwood, as Attorney-in-Fact 2019-12-05