Pediatric Services of America Inc $0 Amedisys Inc $112,168,320 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $506,463 Flotek Industries Inc /cn/ $48,922 Pediatric Services of America Inc $0 Amedisys Inc $112,168,320 Natus Medical Inc $115,653,805 Riverview Bancorp Inc $506,463 Flotek Industries Inc /cn/ $48,922