P Valentin Gapontsev

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
IPGP $41.44 1,607 Large Shareholder, Officer, Director 1,901,324 2011-12-02 Filing
IPGP $48.35 150,000 Large Shareholder, Officer, Director 1,902,931 2011-02-14 Filing
IPGP $29.20 900,000 Large Shareholder, Officer, Director 2,052,931 2011-01-25 Filing
IPGP $34.79 50,000 Large Shareholder, Officer, Director 3,052,931 2011-01-14 Filing
IPGP $0.00 2,880,154 Large Shareholder, Officer, Director 7,504,002 2010-12-17 Filing
IPGP $26.64 7,200,000 Large Shareholder, Officer, Director 3,902,931 2010-12-17 Filing
IPGP $25.60 56,600 Large Shareholder, Officer, Director 7,504,002 2010-11-08 Filing
IPGP $25.12 16,400 Large Shareholder, Officer, Director 7,560,602 2010-11-05 Filing
IPGP $25.12 27,000 Large Shareholder, Officer, Director 7,577,002 2010-11-04 Filing
IPGP $24.36 80,000 Large Shareholder, Officer, Director 7,604,002 2010-11-01 Filing
IPGP $22.40 79,100 Large Shareholder, Officer, Director 7,684,002 2010-10-29 Filing
IPGP $22.03 27,100 Large Shareholder, Officer, Director 7,763,102 2010-10-28 Filing
IPGP $22.09 6,400 Large Shareholder, Officer, Director 7,790,202 2010-10-27 Filing
IPGP $21.88 19,500 Large Shareholder, Officer, Director 7,796,602 2010-10-26 Filing
IPGP $21.82 4,800 Large Shareholder, Officer, Director 7,816,102 2010-10-15 Filing
IPGP $21.70 52,563 Large Shareholder, Officer, Director 7,820,902 2010-10-14 Filing
IPGP $21.37 130,537 Large Shareholder, Officer, Director 7,873,465 2010-10-13 Filing
IPGP $9.65 800,000 Large Shareholder, Officer, Director 11,172,599 2009-05-20 Filing