Pv Timothy Mammen

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
IPGP	$77.53	1,800	$139,554.00	24,239	2015-02-03	Filing
IPGP	$77.60	700	$54,320.00	24,755	2014-12-05	Filing
IPGP	$75.92	2,300	$174,616.00	24,755	2014-12-03	Filing
IPGP	$75.02	200	$15,004.00	24,755	2014-11-03	Filing
IPGP	$73.52	2,400	$176,448.00	24,755	2014-10-31	Filing
IPGP	$70.43	2,600	$183,118.00	25,111	2014-07-29	Filing
IPGP	$70.43	2,600	$183,118.00	22,511	2014-07-29	Filing
IPGP	$73.95	4,999	$369,676.05	25,468	2014-04-14	Filing
IPGP	$65.00	900	$58,500.00	28,624	2013-10-31	Filing
IPGP	$65.00	2,850	$185,250.00	28,624	2013-10-30	Filing
IPGP	$62.54	3,750	$234,525.00	28,624	2013-10-17	Filing
IPGP	$61.08	13,281	$811,203.48	28,624	2013-09-16	Filing
IPGP	$60.14	10,134	$609,458.76	28,624	2013-09-09	Filing
IPGP	$60.00	100	$6,000.00	28,624	2013-09-06	Filing
IPGP	$65.00	2,500	$162,500.00	28,624	2013-07-30	Filing
IPGP	$60.32	2,500	$150,800.00	31,124	2013-07-22	Filing
IPGP	$70.00	600	$42,000.00	31,124	2013-02-14	Filing
IPGP	$67.78	3,833	$259,800.74	31,124	2013-01-02	Filing
IPGP	$65.02	1,000	$65,020.00	31,124	2012-09-12	Filing
IPGP	$63.84	11,000	$702,240.00	31,124	2012-09-10	Filing