James Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $73.00 1,400 Large Shareholder, Officer, Director 115,842 2012-12-06 Filing
WLK $69.08 1,000 Large Shareholder, Officer, Director 115,842 2012-08-22 Filing
WLK $69.08 1,000 Large Shareholder, Officer, Director 116,842 2012-08-22 Filing
WLK $69.06 802 Large Shareholder, Officer, Director 117,842 2012-08-22 Filing
WLK $69.06 100 Large Shareholder, Officer, Director 118,644 2012-08-22 Filing
WLK $69.05 1,000 Large Shareholder, Officer, Director 118,744 2012-08-22 Filing
WLK $69.05 8,865 Large Shareholder, Officer, Director 119,744 2012-08-22 Filing
WLK $69.03 5,515 Large Shareholder, Officer, Director 128,609 2012-08-22 Filing
WLK $69.02 300 Large Shareholder, Officer, Director 134,124 2012-08-22 Filing
WLK $69.01 100 Large Shareholder, Officer, Director 134,424 2012-08-22 Filing
WLK $69.00 15,120 Large Shareholder, Officer, Director 134,524 2012-08-22 Filing
WLK $57.27 500 Large Shareholder, Officer, Director, Other 90,908 2012-05-29 Filing
WLK $57.23 200 Large Shareholder, Officer, Director, Other 91,408 2012-05-29 Filing
WLK $57.21 200 Large Shareholder, Officer, Director, Other 91,608 2012-05-29 Filing
WLK $57.19 100 Large Shareholder, Officer, Director, Other 91,808 2012-05-29 Filing
WLK $57.19 100 Large Shareholder, Officer, Director, Other 91,908 2012-05-29 Filing
WLK $57.18 200 Large Shareholder, Officer, Director, Other 92,008 2012-05-29 Filing
WLK $57.17 200 Large Shareholder, Officer, Director, Other 92,208 2012-05-29 Filing
WLK $57.17 1,500 Large Shareholder, Officer, Director, Other 92,408 2012-05-29 Filing
WLK $57.16 500 Large Shareholder, Officer, Director, Other 93,908 2012-05-29 Filing