James Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $75.58 200 Large Shareholder, Officer, Director 117,442 2012-12-07 Filing
WLK $75.55 100 Large Shareholder, Officer, Director 117,642 2012-12-07 Filing
WLK $75.53 200 Large Shareholder, Officer, Director 117,742 2012-12-07 Filing
WLK $75.51 400 Large Shareholder, Officer, Director 117,942 2012-12-07 Filing
WLK $75.50 200 Large Shareholder, Officer, Director 118,342 2012-12-07 Filing
WLK $75.50 200 Large Shareholder, Officer, Director 118,542 2012-12-07 Filing
WLK $75.48 300 Large Shareholder, Officer, Director 118,742 2012-12-07 Filing
WLK $75.44 200 Large Shareholder, Officer, Director 119,042 2012-12-07 Filing
WLK $75.43 200 Large Shareholder, Officer, Director 119,242 2012-12-07 Filing
WLK $75.40 100 Large Shareholder, Officer, Director 119,442 2012-12-07 Filing
WLK $75.39 400 Large Shareholder, Officer, Director 119,542 2012-12-07 Filing
WLK $75.35 5,220 Large Shareholder, Officer, Director 119,942 2012-12-07 Filing
WLK $75.34 2,200 Large Shareholder, Officer, Director 125,162 2012-12-07 Filing
WLK $75.33 500 Large Shareholder, Officer, Director 127,362 2012-12-07 Filing
WLK $75.31 1,300 Large Shareholder, Officer, Director 127,862 2012-12-07 Filing
WLK $75.30 1,200 Large Shareholder, Officer, Director 129,162 2012-12-07 Filing
WLK $75.27 300 Large Shareholder, Officer, Director 130,362 2012-12-07 Filing
WLK $72.26 1,600 Large Shareholder, Officer, Director 130,662 2012-12-07 Filing
WLK $75.25 5,077 Large Shareholder, Officer, Director 132,262 2012-12-07 Filing
WLK $75.23 8,696 Large Shareholder, Officer, Director 137,339 2012-12-07 Filing