X0306 4 2019-07-18 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 2019-07-18 4 S 0 11930 2.9314 D 152503 D Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Reporting Person's award agreement to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person. Of the reported shares 92,384 shares are represented by Restricted Stock Units. /s/ Daniel Horwood, as Attorney-in-Fact 2019-07-22