Andrew Michael Williams

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
On Semiconductor Corp	ONNN	$11.60	13,500	Officer	51,818	2011-02-14	Filing
On Semiconductor Corp	ONNN	$9.00	40,000	Officer	64,818	2009-09-10	Filing
On Semiconductor Corp	ONNN	$8.75	9,000	Officer	104,818	2009-09-10	Filing
On Semiconductor Corp	ONNN	$8.50	10,000	Officer	64,818	2009-09-08	Filing
On Semiconductor Corp	ONNN	$11.00	13,506	Officer	64,818	2011-01-11	Filing
On Semiconductor Corp	ONNN	$10.70	12,997	Officer	78,324	2011-01-07	Filing
On Semiconductor Corp	ONNN	$10.34	48,750	Officer	91,321	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.34	20,000	Officer	140,071	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.40	13,426	Officer	160,071	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.28	10,000	Officer	173,497	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.31	7,988	Officer	183,497	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.30	5,339	Officer	191,485	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.30	4,500	Officer	196,824	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.28	3,651	Officer	201,324	2011-01-06	Filing
On Semiconductor Corp	ONNN	$10.32	1,026	Officer	204,975	2011-01-06	Filing
On Semiconductor Corp	ONNN	$7.90	13,610	Officer	65,636	2009-08-18	Filing