X0306 4 2018-12-13 0000764579 CAS MEDICAL SYSTEMS INC CASM 0001392472 Rainey Gregory P C/O CAS MEDICAL SYSTEMS, INC. 44 EAST INDUSTRIAL ROAD BRANFORD CT 06405 1 0 0 0 Common Stock 2018-12-13 4 A 0 15000 0 A 70431 D Restricted stock grant vesting in two equal annual installments on 12/13/19 and 12/13/20. /s/Gregory P. Rainey 2018-12-17