James Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $56.93 100 Large Shareholder, Officer, Director, Other 123,278 2012-05-29 Filing
WLK $56.92 2,646 Large Shareholder, Officer, Director, Other 123,378 2012-05-29 Filing
WLK $56.91 20 Large Shareholder, Officer, Director, Other 126,024 2012-05-29 Filing
WLK $56.90 204 Large Shareholder, Officer, Director, Other 126,044 2012-05-29 Filing
WLK $56.88 399 Large Shareholder, Officer, Director, Other 126,248 2012-05-29 Filing
WLK $56.87 600 Large Shareholder, Officer, Director, Other 126,647 2012-05-29 Filing
WLK $56.87 2,079 Large Shareholder, Officer, Director, Other 127,247 2012-05-29 Filing
WLK $56.86 366 Large Shareholder, Officer, Director, Other 129,326 2012-05-29 Filing
WLK $56.85 300 Large Shareholder, Officer, Director, Other 129,692 2012-05-29 Filing
WLK $56.84 200 Large Shareholder, Officer, Director, Other 129,992 2012-05-29 Filing
WLK $56.84 462 Large Shareholder, Officer, Director, Other 130,192 2012-05-29 Filing
WLK $56.83 100 Large Shareholder, Officer, Director, Other 130,654 2012-05-29 Filing
WLK $56.83 903 Large Shareholder, Officer, Director, Other 130,754 2012-05-29 Filing
WLK $56.82 1,000 Large Shareholder, Officer, Director, Other 131,657 2012-05-29 Filing
WLK $56.81 3,139 Large Shareholder, Officer, Director, Other 132,657 2012-05-29 Filing
WLK $56.80 5,849 Large Shareholder, Officer, Director, Other 135,796 2012-05-29 Filing
WLK $56.79 8,300 Large Shareholder, Officer, Director, Other 141,645 2012-05-29 Filing
WLK $56.78 3,800 Large Shareholder, Officer, Director, Other 149,945 2012-05-29 Filing
WLK $56.76 1,000 Large Shareholder, Officer, Director, Other 153,745 2012-05-29 Filing
WLK $56.75 1,400 Large Shareholder, Officer, Director, Other 154,745 2012-05-29 Filing