Albert Chao

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
WLK $76.20 3,026 $230,581.20 146,030 2012-11-23 Filing
WLK $76.19 845 $64,380.55 149,056 2012-11-23 Filing
WLK $76.15 100 $7,615.00 149,901 2012-11-23 Filing
WLK $76.14 100 $7,614.00 150,001 2012-11-23 Filing
WLK $76.11 74 $5,632.14 150,101 2012-11-23 Filing
WLK $76.10 700 $53,270.00 150,175 2012-11-23 Filing
WLK $76.08 600 $45,648.00 150,875 2012-11-23 Filing
WLK $76.05 100 $7,605.00 151,475 2012-11-23 Filing
WLK $76.04 51 $3,878.04 151,575 2012-11-23 Filing
WLK $76.03 100 $7,603.00 151,626 2012-11-23 Filing
WLK $76.02 100 $7,602.00 151,726 2012-11-23 Filing
WLK $76.01 4,299 $326,766.99 151,826 2012-11-23 Filing
WLK $76.00 3,750 $285,000.00 156,125 2012-11-23 Filing