Charles Robert Mahoney

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
On Semiconductor Corp	ONNN	$8.50	15,000	Officer	50,326	2009-12-02	Filing
On Semiconductor Corp	ONNN	$7.81	15,000	Officer	65,326	2009-11-23	Filing
On Semiconductor Corp	ONNN	$7.60	10,000	Officer	80,326	2009-11-09	Filing
On Semiconductor Corp	ONNN	$8.20	15,000	Officer	50,989	2009-09-04	Filing
On Semiconductor Corp	ONNN	$7.54	48,544	Officer	50,989	2009-08-07	Filing
On Semiconductor Corp	ONNN	$7.50	50	Officer	99,533	2009-08-07	Filing
On Semiconductor Corp	ONNN	$4.89	24,767	Officer	69,999	2009-02-06	Filing