X0306 4 2019-04-17 0000051548 INTERNATIONAL SPEEDWAY CORP ISCA, ISCB 0001489733 Jackson Laura E ONE DAYTONA BOULEVARD DAYTONA BEACH FL 32114 1 Vice President- HR Class A Common Stock 2019-04-17 4 S 0 591.0000 42.0460 D 19026.0000 D W. Garrett Crotty, as attorney in fact for Laura E. Jackson 2019-05-15