Pediatric Services of America Inc $0 Amedisys Inc $117,376,353 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $498,611 Flotek Industries Inc /cn/ $48,922 Pediatric Services of America Inc $0 Amedisys Inc $117,376,353 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $498,611 Flotek Industries Inc /cn/ $48,922