F. Robert Buesinger

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $90.97 1,478 Officer 4,178 2013-05-08 Filing
WLK $93.82 100 Officer 4,345 2013-03-11 Filing
WLK $93.82 100 Officer 4,445 2013-03-11 Filing
WLK $93.81 100 Officer 4,545 2013-03-11 Filing
WLK $93.81 200 Officer 4,645 2013-03-11 Filing
WLK $93.80 600 Officer 4,845 2013-03-11 Filing
WLK $93.79 461 Officer 5,445 2013-03-11 Filing
WLK $93.78 100 Officer 5,906 2013-03-11 Filing
WLK $93.77 100 Officer 6,006 2013-03-11 Filing
WLK $93.76 600 Officer 6,106 2013-03-11 Filing
WLK $75.68 922 Officer 4,345 2012-12-10 Filing
WLK $67.16 1,078 Officer 4,345 2012-08-06 Filing
WLK $67.16 400 Officer 5,423 2012-08-06 Filing
WLK $55.39 677 Officer 2,604 2011-05-19 Filing
WLK $55.40 600 Officer 3,281 2011-05-19 Filing
WLK $55.42 100 Officer 3,881 2011-05-19 Filing
WLK $55.43 100 Officer 3,981 2011-05-19 Filing