Clifford Walker

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
POWI	$43.24	13,710	$592,775.16	44,910	2013-02-12	Filing
POWI	$43.04	12,000	$516,499.20	44,910	2013-02-11	Filing
POWI	$44.07	1,402	$61,792.59	44,910	2013-02-08	Filing
POWI	$44.32	11,790	$522,497.43	46,312	2013-02-07	Filing
POWI	$41.60	565	$23,504.00	29,904	2012-05-08	Filing
POWI	$42.82	50,000	$2,140,825.00	30,469	2012-05-08	Filing
POWI	$42.74	485	$20,728.90	24,469	2012-05-04	Filing
POWI	$38.55	20,504	$790,429.20	24,954	2012-02-28	Filing
POWI	$38.55	2,934	$113,105.70	24,954	2012-02-28	Filing
POWI	$37.90	18,863	$714,849.22	24,954	2012-02-07	Filing
POWI	$38.18	2,699	$103,054.30	24,954	2012-02-07	Filing
POWI	$38.18	26,041	$994,307.88	24,954	2012-02-07	Filing
POWI	$36.15	10,000	$361,500.00	24,488	2011-11-08	Filing
POWI	$32.22	4,779	$153,985.59	24,488	2011-08-31	Filing
POWI	$32.22	5,221	$168,227.41	24,488	2011-08-31	Filing
POWI	$37.45	551	$20,637.65	18,260	2011-05-04	Filing
POWI	$41.20	3,281	$135,177.20	18,811	2011-02-10	Filing
POWI	$39.05	13,683	$534,321.15	18,585	2010-11-22	Filing
POWI	$39.25	920	$36,110.00	18,585	2010-11-19	Filing
POWI	$39.30	9,348	$367,376.40	18,585	2010-11-18	Filing