James Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $56.74 4,957 Large Shareholder, Officer, Director, Other 156,145 2012-05-29 Filing
WLK $55.28 900 Large Shareholder, Officer, Director, Other 90,908 2012-05-25 Filing
WLK $55.27 700 Large Shareholder, Officer, Director, Other 91,108 2012-05-25 Filing
WLK $55.26 308 Large Shareholder, Officer, Director, Other 92,508 2012-05-25 Filing
WLK $55.25 2,248 Large Shareholder, Officer, Director, Other 92,816 2012-05-25 Filing
WLK $55.24 100 Large Shareholder, Officer, Director, Other 95,064 2012-05-25 Filing
WLK $55.24 3,107 Large Shareholder, Officer, Director, Other 95,164 2012-05-25 Filing
WLK $55.23 816 Large Shareholder, Officer, Director, Other 98,271 2012-05-25 Filing
WLK $55.22 338 Large Shareholder, Officer, Director, Other 99,087 2012-05-25 Filing
WLK $55.21 297 Large Shareholder, Officer, Director, Other 99,425 2012-05-25 Filing
WLK $55.20 6,158 Large Shareholder, Officer, Director, Other 99,722 2012-05-25 Filing
WLK $55.19 2,428 Large Shareholder, Officer, Director, Other 105,880 2012-05-25 Filing
WLK $55.18 500 Large Shareholder, Officer, Director, Other 108,308 2012-05-25 Filing
WLK $55.17 2,300 Large Shareholder, Officer, Director, Other 108,808 2012-05-25 Filing
WLK $55.16 500 Large Shareholder, Officer, Director, Other 111,108 2012-05-25 Filing
WLK $55.15 224 Large Shareholder, Officer, Director, Other 111,608 2012-05-25 Filing
WLK $55.13 206 Large Shareholder, Officer, Director, Other 111,832 2012-05-25 Filing
WLK $55.12 200 Large Shareholder, Officer, Director, Other 112,038 2012-05-25 Filing
WLK $55.12 100 Large Shareholder, Officer, Director, Other 112,238 2012-05-25 Filing
WLK $55.11 1,000 Large Shareholder, Officer, Director, Other 112,338 2012-05-25 Filing