Pediatric Services of America Inc $0 Amedisys Inc $117,645,313 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $505,154 Flotek Industries Inc /cn/ $48,922 Pediatric Services of America Inc $0 Amedisys Inc $117,645,313 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $505,154 Flotek Industries Inc /cn/ $48,922