Steven Mark Bender

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $46.41 5,145 Officer 46,647 2011-02-25 Filing
WLK $46.43 600 Officer 51,792 2011-02-25 Filing
WLK $46.44 1,099 Officer 52,392 2011-02-25 Filing
WLK $46.45 2,317 Officer 53,491 2011-02-25 Filing
WLK $46.46 451 Officer 55,808 2011-02-25 Filing
WLK $46.47 200 Officer 56,259 2011-02-25 Filing
WLK $46.48 200 Officer 56,459 2011-02-25 Filing
WLK $46.49 1,100 Officer 56,659 2011-02-25 Filing
WLK $46.50 429 Officer 57,759 2011-02-25 Filing
WLK $46.52 3,000 Officer 58,188 2011-02-25 Filing
WLK $46.53 2,800 Officer 61,188 2011-02-25 Filing
WLK $46.58 160 Officer 63,988 2011-02-25 Filing
WLK $46.67 2,000 Officer 64,148 2011-02-25 Filing
WLK $46.68 2,000 Officer 66,148 2011-02-25 Filing
WLK $28.17 1,000 Officer 38,595 2010-08-09 Filing