Alexander Ovtchinnikov

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
IPGP	$63.13	687	$43,370.31	110,616	2011-08-02	Filing
IPGP	$72.77	688	$50,065.76	110,616	2011-07-01	Filing
IPGP	$75.94	687	$52,170.78	110,616	2011-06-01	Filing
IPGP	$75.07	5,800	$435,406.00	110,616	2011-05-31	Filing
IPGP	$75.48	4,200	$317,016.00	110,616	2011-05-27	Filing
IPGP	$69.62	688	$47,898.56	110,616	2011-05-02	Filing
IPGP	$67.00	10,000	$670,000.00	110,616	2011-04-21	Filing
IPGP	$28.99	487	$14,118.13	107,331	2010-12-01	Filing
IPGP	$23.87	487	$11,624.69	107,331	2010-11-01	Filing
IPGP	$23.09	10,000	$230,900.00	107,331	2010-09-14	Filing
IPGP	$24.25	487	$11,809.75	117,331	2010-10-01	Filing
IPGP	$21.41	487	$10,426.67	117,331	2010-09-01	Filing
IPGP	$22.00	1,600	$35,200.00	117,331	2010-08-27	Filing
IPGP	$22.01	4,814	$105,956.14	117,331	2010-08-24	Filing
IPGP	$22.01	3,586	$78,927.86	117,331	2010-08-23	Filing
IPGP	$21.50	900	$19,350.00	117,331	2010-08-06	Filing
IPGP	$21.18	23,700	$501,966.00	117,331	2010-08-05	Filing
IPGP	$20.21	15,400	$311,234.00	117,331	2010-08-04	Filing
IPGP	$18.42	1,461	$26,911.62	117,331	2010-08-03	Filing
IPGP	$19.02	5,844	$111,152.88	117,331	2010-05-04	Filing