X0206 3 2021-01-31 0 0001716621 Ra Medical Systems, Inc. RMED 0001731684 Meline Susanne C/O RA MEDICAL SYSTEMS, INC. 2070 LAS PALMAS DRIVE CARLSBAD CA 92011 1 0 0 0 Common Stock 1808 D Common Stock 40000 I See Footnotes Warrants (right to buy) 11.25 2020-05-22 2025-05-22 Common Stock 88888 I See Footnote Warrants (right to buy) 8.75 2020-08-03 2025-08-03 Common Stock 68571 I See Footnote Securities are owned by Catalysis Partners ("CP"). The reporting person has an investment interest in CP through her IRA and, together with an immediate family member, owns a controlling interest in Francis Capital Management, LLC, which also has an investment interest in CP and serves as both its Managing Member and Investment Manager. The reporting person disclaims beneficial interest of these securities except to the extent of her pecuniary interest therein. /s/ Susanne Meline 2021-02-05