X0306 4 2019-12-03 0 0001716621 Ra Medical Systems, Inc. RMED 0001636738 Jackson Andrew C. C/O RA MEDICAL SYSTEMS, INC. 2070 LAS PALMAS DRIVE CARLSBAD CA 92011 0 1 0 0 CFO & Interim CEO Common Stock 2019-12-04 4 F 0 4505 1.69 D 29843 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. Of the reported shares 13,424 shares are represented by Restricted Stock Units. 1/12 of the total shares subject to the option shall vest every month after December 3, 2019, such that all shares subject to the option shall be fully vested on December 3, 2020, 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