Albert Chao

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
WLK $75.63 600 $45,378.00 191,616 2012-11-26 Filing
WLK $75.50 2,000 $151,000.00 192,216 2012-11-26 Filing
WLK $75.43 100 $7,543.00 194,216 2012-11-26 Filing
WLK $75.41 900 $67,869.00 194,316 2012-11-26 Filing
WLK $75.40 100 $7,540.00 195,216 2012-11-26 Filing
WLK $75.35 100 $7,535.00 195,316 2012-11-26 Filing
WLK $75.30 3,800 $286,140.00 195,416 2012-11-26 Filing
WLK $75.10 100 $7,510.00 199,216 2012-11-26 Filing
WLK $75.03 21 $1,575.63 199,316 2012-11-26 Filing
WLK $75.02 879 $65,942.58 199,337 2012-11-26 Filing
WLK $75.00 30,699 $2,302,425.00 200,216 2012-11-26 Filing
WLK $76.49 1,600 $122,384.16 139,875 2012-11-23 Filing
WLK $76.49 400 $30,596.00 141,475 2012-11-23 Filing
WLK $76.47 300 $22,941.00 141,875 2012-11-23 Filing
WLK $76.38 500 $38,190.00 142,175 2012-11-23 Filing
WLK $76.28 155 $11,823.40 142,675 2012-11-23 Filing
WLK $76.27 900 $68,643.00 142,830 2012-11-23 Filing
WLK $76.25 2,000 $152,500.20 143,730 2012-11-23 Filing
WLK $76.21 100 $7,621.00 145,730 2012-11-23 Filing
WLK $76.20 200 $15,240.02 145,830 2012-11-23 Filing