James Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $55.10 3,370 Large Shareholder, Officer, Director, Other 113,338 2012-05-25 Filing
WLK $55.09 1,100 Large Shareholder, Officer, Director, Other 116,708 2012-05-25 Filing
WLK $55.08 1,000 Large Shareholder, Officer, Director, Other 117,808 2012-05-25 Filing
WLK $55.07 7,400 Large Shareholder, Officer, Director, Other 118,808 2012-05-25 Filing
WLK $43.71 300 Large Shareholder, Officer, Director 96,607 2011-11-16 Filing
WLK $43.72 100 Large Shareholder, Officer, Director 96,907 2011-11-16 Filing
WLK $43.70 895 Large Shareholder, Officer, Director 97,007 2011-11-16 Filing
WLK $50.20 49,007 Large Shareholder, Officer, Director 96,607 2011-03-15 Filing
WLK $37.50 32,399 Large Shareholder, Officer, Director 87,937 2010-11-18 Filing