X0303 4 2009-07-28 0001102934 CABOT MICROELECTRONICS CORP CCMP 0001037485 FRAZEE JOHN P JR C/O CABOT MICROELECTRONICS CORPORATION 870 COMMONS DRIVE AURORA IL 60504 1 Common Stock 2009-07-28 4 S 0 8000 32.6351 D 8000 D /s/ H. Carol Bernstein (Power of Attorney) 2009-07-29