R David Hansen

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $500.00 500 Officer 6,456 2012-08-06 Filing
WLK $67.22 939 Officer 6,956 2012-08-06 Filing
WLK $67.21 2,300 Officer 7,895 2012-08-06 Filing
WLK $67.20 10,458 Officer 10,195 2012-08-06 Filing
WLK $67.17 100 Officer 20,653 2012-08-06 Filing
WLK $67.16 200 Officer 20,753 2012-08-06 Filing
WLK $67.15 100 Officer 20,953 2012-08-06 Filing
WLK $67.14 300 Officer 21,053 2012-08-06 Filing
WLK $67.13 1,350 Officer 21,353 2012-08-06 Filing
WLK $67.12 600 Officer 22,703 2012-08-06 Filing
WLK $67.11 350 Officer 23,303 2012-08-06 Filing
WLK $67.10 200 Officer 23,653 2012-08-06 Filing
WLK $67.08 1,445 Officer 23,853 2012-08-06 Filing
WLK $67.08 300 Officer 25,298 2012-08-06 Filing
WLK $67.08 9,845 Officer 25,598 2012-08-06 Filing
WLK $67.07 1,000 Officer 35,443 2012-08-06 Filing
WLK $67.06 200 Officer 36,443 2012-08-06 Filing
WLK $67.05 800 Officer 36,643 2012-08-06 Filing
WLK $67.04 300 Officer 37,443 2012-08-06 Filing
WLK $67.03 2,000 Officer 37,743 2012-08-06 Filing