A Robert Blair

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
IPGP $70.57 2,500 Director 33,538 2011-05-25 Filing
IPGP $35.87 5,000 Director 33,538 2011-01-13 Filing
IPGP $34.76 5,000 Director 38,538 2011-01-12 Filing
IPGP $32.68 10,800 Director 43,538 2011-01-11 Filing
IPGP $31.39 4,200 Director 54,338 2011-01-07 Filing
IPGP $31.66 2,900 Director 58,538 2010-12-16 Filing
IPGP $32.00 300 Director 58,538 2010-12-13 Filing
IPGP $32.01 467 Director 58,538 2010-12-06 Filing
IPGP $31.44 9,667 Director 58,538 2010-12-03 Filing
IPGP $21.83 35,000 Director 58,538 2010-09-07 Filing
IPGP $20.50 600 Director 93,538 2010-08-13 Filing
IPGP $21.51 650 Director 93,538 2010-08-10 Filing
IPGP $21.63 1,250 Director 93,538 2010-08-09 Filing
IPGP $21.39 2,500 Director 93,538 2010-08-06 Filing
IPGP $20.48 10,000 Director 93,538 2010-08-05 Filing
IPGP $20.09 8,740 Director 153,538 2008-05-30 Filing
IPGP $17.32 4,900 Director 92,538 2010-04-14 Filing
IPGP $17.03 25,100 Director 106,178 2010-01-11 Filing