S Douglas Schatz

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AEIS	$12.45	300	$3,733.50	2,823,179	2012-04-17	Filing
AEIS	$12.44	100	$1,244.00	2,823,479	2012-04-17	Filing
AEIS	$12.43	200	$2,486.00	2,823,579	2012-04-17	Filing
AEIS	$12.43	200	$2,485.00	2,823,779	2012-04-17	Filing
AEIS	$12.42	400	$4,968.00	2,823,979	2012-04-17	Filing
AEIS	$12.41	200	$2,482.00	2,824,379	2012-04-17	Filing
AEIS	$12.39	200	$2,478.00	2,824,579	2012-04-17	Filing
AEIS	$12.29	900	$11,061.00	2,824,779	2012-04-17	Filing
AEIS	$12.31	600	$7,386.00	2,825,679	2012-04-16	Filing
AEIS	$12.30	900	$11,070.00	2,826,279	2012-04-16	Filing
AEIS	$12.29	900	$11,061.00	2,827,179	2012-04-16	Filing
AEIS	$12.28	1,400	$17,192.00	2,828,079	2012-04-16	Filing
AEIS	$12.27	1,200	$14,724.00	2,829,479	2012-04-16	Filing
AEIS	$12.26	3,500	$42,910.00	2,830,679	2012-04-16	Filing
AEIS	$12.25	1,700	$20,825.00	2,834,179	2012-04-16	Filing
AEIS	$12.24	700	$8,568.00	2,835,879	2012-04-16	Filing
AEIS	$12.24	100	$1,223.50	2,836,579	2012-04-16	Filing
AEIS	$12.23	2,100	$25,683.00	2,836,679	2012-04-16	Filing
AEIS	$12.23	500	$6,113.75	2,838,779	2012-04-16	Filing
AEIS	$12.23	100	$1,222.50	2,839,279	2012-04-16	Filing