Albert Chao

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
WLK $72.67 200 $14,534.00 154,180 2012-12-06 Filing
WLK $72.66 800 $58,128.00 154,380 2012-12-06 Filing
WLK $72.64 100 $7,264.00 155,180 2012-12-06 Filing
WLK $72.61 302 $21,928.22 155,280 2012-12-06 Filing
WLK $72.60 3,098 $224,914.80 155,582 2012-12-06 Filing
WLK $72.56 101 $7,328.56 158,680 2012-12-06 Filing
WLK $72.55 129 $9,358.95 158,781 2012-12-06 Filing
WLK $72.50 25,392 $1,840,920.00 158,910 2012-12-06 Filing
WLK $75.92 200 $15,184.00 184,302 2012-11-26 Filing
WLK $75.89 100 $7,589.00 184,502 2012-11-26 Filing
WLK $75.88 300 $22,764.00 184,602 2012-11-26 Filing
WLK $75.87 4,314 $327,303.18 184,902 2012-11-26 Filing
WLK $75.83 100 $7,582.50 189,216 2012-11-26 Filing
WLK $75.80 30 $2,273.85 189,316 2012-11-26 Filing
WLK $75.79 400 $30,316.00 189,346 2012-11-26 Filing
WLK $75.73 300 $22,719.00 189,746 2012-11-26 Filing
WLK $75.72 100 $7,572.00 190,046 2012-11-26 Filing
WLK $75.66 210 $15,888.62 190,146 2012-11-26 Filing
WLK $75.66 100 $7,566.00 190,356 2012-11-26 Filing
WLK $75.63 1,160 $87,730.92 190,456 2012-11-26 Filing